Relevant bibliographies by topics / DWDM (Dense Wavelength Division Multiplexing)

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
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Academic literature on the topic 'DWDM (Dense Wavelength Division Multiplexing)'

Author: Grafiati
Published: 4 June 2021
Last updated: 3 February 2022

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Journal articles on the topic "DWDM (Dense Wavelength Division Multiplexing)"

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Dewi, Arkidianabela Anggara, Teguh Prakoso, and Aghus Sofwan. "ARRAYED WAVEGUIDE GRATING PADA DENSE WAVELENGTH DIVISION MULTIPLEXING." TRANSIENT 7, no. 1 (March 26, 2018): 179. http://dx.doi.org/10.14710/transient.7.1.179-185.

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DWDM (Dense Wavelength Division Multiplexing) adalah suatu teknik multiplexing yang mampu mentransmisikan lebih dari 400 panjang gelombang dalam satu serat optik. Laju pengiriman data menggunakan media serat optik dapat mencapai 1 Tbps atau 1.000 Gbps. DWDM merupakan suatu perbaikan dari WDM. Inti perbaikan yang dimiliki oleh teknologi DWDM terletak pada jenis filter, serat optik dan penguat amplifier. Jenis filter yang umum dipergunakan salah satunya adalah Array Waveguide Grating (AWG). Pada Penelitian ini dianalisis kinerja suatu Array Waveguide Filters (AWG) yang mampu digunakan pada DWDM. Pada Penelitian ini dilakukan dengan menggunkan 2 software. Pertama, menggunakan software Optisystem 7 untuk memodelkan sistem DWDM. Kedua, menggunakan software OptiBPM untuk verifikasi AWG. Pada Optisystem didapatkan nilai konfigurasi DWDM yang optimal yaitu pada C Band dengan spasi kanal 50GHz dan jumlah wavelength 64. Sedangkan pada OptiBPM didapatkan untuk konfigurasi DWDM tersebut diperlukan AWG dengan dengan sudut orientasi 53 derajat, panjang FSR 1500um, lebar angular 11,4 derajat dengan ukuran 15000x10000um sehingga didapatkan nilai BER, Q-factor dan crosstalk yang memiliki perbedaan namun telah mencapai kriteria yaitu dengan Q factor antara 8,43 sampai dengan 14,09 sedangkan untuk BER dari 1,719x10-40 sampai dengan 1,19x10-17 dan crosstalk antara -149 dB sampai dengan -40,8 dB.
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KASAHARA, Ken'ichi. "Laser Sources for Dense Wavelength Division Multiplexing (DWDM)." Review of Laser Engineering 30, no. 1 (2002): 4. http://dx.doi.org/10.2184/lsj.30.4.

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Murianti, Diana, Teguh Prakoso, and Aghus Sofwan. "FBG (FIBER BRAGG GRATING) UNTUK DWDM (DENSE WAVELENGTH DIVISION MULTIPLEXING)." TRANSIENT 7, no. 1 (March 12, 2018): 77. http://dx.doi.org/10.14710/transient.7.1.77-82.

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Pada era modern ini, tuntutan kebutuhan masyarakat akan layanan komunikasi semakin meningkat. Kebutuhan tersebut meliputi layanan video, suara dan data. Penambahan kapasitas ini dapat dilakukan dengan menggunakan teknologi Dense Wavelength Division Multiplexing (DWDM). Salah satu perangkat yang digunakan teknologi DWDM yaitu Optical Add/Drop Multiplexer (OADM). OADM digunakan untuk melewatkan sinyal dan melakukan fungsi add dan drop. Salah satu perangkat yang mendukung untuk membantu kerja dari OADM adalah Fiber Bragg Grating (FBG). Tujuan pembuatan Penelitian ini adalah mendapatkan parameter desain FBG yang terbaik untuk jaringan DWDM berdasarkan nilai crosstalk, Q factor, dan Bit Error Rate (BER) guna memperoleh konfigurasi jaringan DWDM yang optimal. Pada Penelitian ini dilakukan dengan menggunakan dua software. Pertama, menggunakan software Optisystem 7 untuk memodelkan sistem. Kedua, menggunakan software Optigrating 4.2.3 untuk verifikasi FBG. Parameter desain FBG yang terbaik yaitu dengan panjang grating 18600 um. Berdasarkan hasil ko-simulasi, nilai rata–rata BER hasil simulasi menggunakan FBG Optisystem adalah 1,19x10-15, sedangkan saat menggunakan FBG Optigrating adalah 4,15x10-15. Nilai rata – rata Q Factor hasil simulasi menggunakan FBG Optisystem adalah 8,43, sedangkan saat menggunakan FBG Optigrating adalah 8,18. Nilai rata – rata crosstalk hasil simulasi menggunakan FBG Optisystem adalah -39,63 dB, sedangkan saat menggunakan FBG Optigrating adalah -39,72 dB.
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Janagal, Mamta, Gurpreet Kaur, Varinder Mandley, and Tanvi Sood. "Investigation the Effect of Channel Spacing for Long Distance Communication." CGC International Journal of Contemporary Technology and Research 2, no. 1 (December 30, 2019): 45–47. http://dx.doi.org/10.46860/cgcijctr.2019.12.20.45.

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In this paper, the impact of different channel spacing on proposed system setup is investigated for long distance communication. This wavelength division multiplexing (WDM), dense wavelength division multiplexing (DWDM) and ultradense wavelength division multiplexing (UDWDM) is evaluated by considering the signal quality factor, bit error rate, optical gain, and received power for different signal input power and for distance. It is observed that at -5 dBm of signal input power the system covers 130 km with acceptable BER (10-8) and Q-factor (14dB).
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Abolade, Robert Oluwayimika, Oluwaseun Olayinka Tooki, and David Oluwagbemiga Aborisade. "REVIEW ARTICLE ON THE MITIGATION OF FOUR WAVE MIXING IN OPTICAL COMMUNICATION SYSTEM." FUTA JOURNAL OF ENGINEERING AND ENGINEERING TECHNOLOGY 15, no. 1 (April 6, 2021): 53–65. http://dx.doi.org/10.51459/futajeet.2021.15.1.266.

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The main challenge faced in today's telecommunication is the ever increasing demand for bandwidth and data rates. The desire to expand the capacity of fiber optic communication to accommodate this demand accelerated the development of high capacity Dense Wavelength Division Multiplexing (DWDM) transmission equipment. However, nonlinear impairments are the fundamental limiting mechanisms to the amount of data that can be transmitted in DWDM. In DWDM, Four Wave Mixing is the most critical of nonlinear effects in fibre optics communication. This effect limits the DWDM’s channel capacity. There are numerous researches on nonlinear impairments that show the intricacy of FWM phenomena in DWDM system. This article present review of the several measures which have been carried out by researchers to overcome nonlinear effects in DWDM. Such measures include Modulation Formats, Channel Spacing, Channel Shuffling Algorithm and Electro-Optic Phase Modulation. The review provides insight into the methods, parameters and approaches used by other researchers. This will pave way for can thus lead to significant improvement in the design of DWDM system.
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Moreno-Pérez, José, Belén Melián-Batista, and Manuel Laguna. "Scatter search based met heuristic for robust optimization of the deploying of "DWDM" technology on optical networks with survivability." Yugoslav Journal of Operations Research 15, no. 1 (2005): 65–77. http://dx.doi.org/10.2298/yjor0501065m.

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In this paper we discuss the application of a met heuristic approach based on the Scatter Search to deal with robust optimization of the planning problem in the deploying of the Dense Wavelength Division Multiplexing (DWDM) technology on an existing optical fiber network taking into account, in addition to the forecasted demands, the uncertainty in the survivability requirements.
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Balaji, Venkatachalam Rajarajan, Mahalingam Murugan, and Savarimuthu Robinson. "Optimization of DWDM Demultiplexer Using Regression Analysis." Journal of Nanomaterials 2016 (2016): 1–10. http://dx.doi.org/10.1155/2016/9850457.

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We propose a novel twelve-channel Dense Wavelength Division Multiplexing (DWDM) demultiplexer, using the two-dimensional photonic crystal (2D PC) with square resonant cavity (SRC) of ITU-T G.694.1 standard. The DWDM demultiplexer consists of an input waveguide, SRC, and output waveguide. The SRC in the proposed demultiplexer consists of square resonator and microcavity. The microcavity center rod radius (Rm) is proportional to refractive index. The refractive index property of the rods filters the wavelengths of odd and even channels. The proposed microcavity can filter twelve ITU-T G.694.1 standard wavelengths with 0.2 nm/25 GHz channel spacing between the wavelengths. From the simulation, we optimize the rod radius and wavelength with linear regression analysis. From the regression analysis, we can achieve 95% of accuracy with an average quality factor of 7890, the uniform spectral line-width of 0.2 nm, the transmission efficiency of 90%, crosstalk of −42 dB, and footprint of about 784 μm2.
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Payal, Suresh Kumar, and Deepak Sharma. "Performance Analysis of NRZ and RZ Modulation Schemes in Optical Fiber Link Using EDFA." International Journal of Advanced Research in Computer Science and Software Engineering 7, no. 8 (August 30, 2017): 161. http://dx.doi.org/10.23956/ijarcsse.v7i8.45.

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Dense Wavelength Division Multiplexing (DWDM) is the current area of interest to exploit the bandwidth offered by optical fiber to enhance the data rate requirements. In the present paper analysis of DWDM system using Erbium Doped Fiber Amplifier (EDFA) is carried out in C-band. The 32-channel Wavelength Division Multiplexing (WDM) system, with a high-performanceflowrate of 10 Gbps, has been evaluated. The performance of Return to Zero (RZ) and Non-Return to Zero (NRZ) modulation formats in an optical communication system are investigated by modeling an optical fiber link using software OPTISYS V14. According to the modulated outputs, a comprehensive comparison in terms of Q factor is developed to establish the advantages and disadvantages of the code formats NRZ and RZ in short and long haul optical fiber communication system. Optimum results of Bit Error Rate (BER) and Q-factor are obtained for 60, 80 and 100km of fiber length. Pumping is discussed at 980nm and 1480nm.
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Muñoz Castro, Geovanny Andrés. "DWDM Networks When Using Raman Configurations with DCF Fibers." Sistemas y Telemática 15, no. 41 (August 1, 2017): 27–43. http://dx.doi.org/10.18046/syt.v15i41.2454.

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In this paper, the basic theoretical foundations regarding a DWDM [Dense Wavelength Division Multiplexing] network when using Raman configurations with DCF [Dispersion Compensation Fiber] are studied, through the revision of: linear effects, such as noise, loss, chromatic dispersion and PMD [Polarization Mode Dispersion]; and nonlinear effects, such as Self-Phase Modulation [SPM], Cross-Phase Modulation [XPM] and Four-Wave Mixing [FWM], compared to Optical Monitoring Parameters [OPM].
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Pornsuwancharoen, N., M. Tasakorn, and S. Jurajaturasiraratn. "DWDM of Optical Micro Ring Resonator Double Add/Drop Multiplexing for THz Optical Communication." Advanced Materials Research 770 (September 2013): 390–93. http://dx.doi.org/10.4028/www.scientific.net/amr.770.390.

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A system that can be used to generate the new optical communication bandwidths using a Gaussian pulse propagating within a nonlinear microring resonator double add/drop multiplexing system is discussed. By using the wide range of the Gaussian input pulses, for instance, when the input pulses of the common lasers with center wavelength of 1,500 nm are used. Results obtained shows that more available wavelength bands from the optical communication band can be generated, which can be used to form new dense wavelength division multiplexing bands, whereas the use of the very high capacity more than 200 channels for personal wavelength and network applications is plausible.
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Dissertations / Theses on the topic "DWDM (Dense Wavelength Division Multiplexing)"

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Qiao, Jie. "Dense wavelength division multiplexing (DWDM) for optical networks." Access restricted to users with UT Austin EID, 2001. http://wwwlib.umi.com/cr/utexas/fullcit?p3035169.

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Taveira, Palmerston Donizzeti. "Caracterização e análise de desempenho dos amplificadores ópticos Raman discretos em sistemas de comunicações ópticas na banda O." Universidade Presbiteriana Mackenzie, 2006. http://tede.mackenzie.br/jspui/handle/tede/1414.

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Made available in DSpace on 2016-03-15T19:37:40Z (GMT). No. of bitstreams: 1 Palmerston Donizzeti Taveira.pdf: 3709250 bytes, checksum: f7776004371e059d73f0d20c8d735c07 (MD5) Previous issue date: 2006-08-02
The optical amplifier has improved the optical communication systems because they lead to an increase in transmission capacity of medium and long haul optical systems, with technological advantages over electronic regenerators. The optical amplifier are relatively simple to deploy and can be used in optical links without any troubles regarding signal transmission rate improvement and signal modulation changes, as a consequence of these issues they can substitute the electronic regenerator enhancing security with low operation cost. The CWDM systems multiplex optical wavelength with a low cost in metropolitan networks. It was developed to connect backbone networks to metro core and edge networks with cost saving over DWDM systems but lower transmission capacity. We have developed and characterized in our research a discrete Raman amplifier for operation in O band. We connected the amplifier in a point to point CWDM in order to analyze the gain on the system transmission capacity and the impairments that appears in the system. Working with a eight channel CWDM in O band, modulated with 2.5 Gbit/s, we have demonstrated that we can use a discrete Raman amplifier in single configurations, pre amplifier, booster and line amplifier and shared configuration with booster and pre amplifier to increase the transmission capacity that means, increase the length of the optical link. We have increased in 110% the length of the optical link with a shared configuration of two amplifiers with 10 dB gain for each one.
Os amplificadores ópticos revolucionaram a tecnológica das comunicações ópticas, pois possibilitaram o aumento da capacidade de transmissão dos sistemas ópticos de média e longa distância, com vantagens tecnológicas sobre os regeneradores. Estes dispositivos são relativamente simples de serem desenvolvidos, utilizam poucos componentes e podem ser utilizados nas redes ópticas de forma transparente a taxa de transmissão e modulação do sinal. Substituem assim, com vantagens, os regeneradores eletrônicos, agregando segurança e baixo custo à operação das redes ópticas. Os sistemas CWDM realizam a multiplexação óptica de comprimentos de onda a um baixo custo em redes metropolitanas. São utilizados para conectar as redes de transporte de alta capacidade às redes de acesso, trazendo uma larga vantagem em custo sobre os sistemas DWDM, porém com menor capacidade de transmissão. Nosso trabalho de pesquisa consistiu em desenvolver e caracterizar um amplificador Raman discreto na banda O (1260 a 1360 nm), aplicando este amplificador em um sistema CWDM ponto a ponto com taxa de transmissão de 2.5 Gbit/s por canal e analisando o aumento na capacidade de transmissão e os efeitos que degradam o sinal transmitido. Trabalhando com um sistema CWDM com oito canais na banda O, demonstramos que podemos utilizar um amplificador Raman discreto nas configurações isoladas de pré-amplificador, booster e amplificador de linha e na configuração simultânea de booster e pré-amplificador para aumentar a capacidade de transmissão. Aumentamos o comprimento original do enlace em 110%.
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Papageorgiou, Vasileios. "Techno-economic analysis of Open Optical LineSystems." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-237414.

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Technology innovations and capacity upgrades in optical networks have influenced the optical transmission. As a result, network operators are considering separating hardware and software components in order to achieve efficiency and promising savings during network operation and network lifecycle. This leads to resolving the vendor lock-in and opening up the optical networks architectures such that different kinds of disaggregation models can be supported in the DWDM transport layer.In this master thesis, a techno-economic analysis which compares the economical differences between an integrated and disaggregated optical network has been conducted. For the analysis, an actual test case scenario of a European interregional network has been utilized. The line system and transponders components, price lists and features are based on actual vendor components in today’s optical transport networks.According to the results, it has been concluded that all total cost investments required for an integrated or disaggregated approach of DWDM system are traffic dependent. Moreover, capital expenses of open architecture are influenced by business model policy in price reduction due to multiple vendors’ competition on transponders. Calculations demonstrated that a disaggregated approach can introduce considerable total cost savings about 21% less total investments that include 25% less costs for capital expenses and 3% higher cost for operational expenses on an average traffic volume of European network. Finally, by increasing 5-10 times the traffic volume of European network it has been noticed that disaggregated system reduced total cost by 39% and 43% respectively.
Tekniska innovationer och trafiktillväxt påverkar utvecklingen av optisk transmission. En konsekvens av detta är att nätoperatörer undersöker möjligheten att separera hårdvara och mjukvarukomponenter för öka effektiviteten och sänka kostnader för drift. Detta minskar inlåsning till enskilda leverantörer och öppnar upp dom optiska näten för att byggas med olika typer av disaggregering i DWDM transporten.I den här masteruppsatsen har en tekno-ekonomisk analys utförts avseende den ekonomiska skillnaden mellan integrerade och disaggregerade optiska nät. Ett verkligt nät scenario användes för analysen. Komponenter och kostnader för linjesystem och transpondrar är baserade på existerande system och prislistor i dagens nät. Enligt det erhållna resultatet har slutsatsen dragits att totala kostnaden för integrerade och öppna system är trafikberoende. Vidare så är investeringen för öppna system påverkad av pris reduktionen pga. konkurrens på transpondrar.Beräkningarna visar att disaggregerade system kan sänka kostnaderna med 21%, i dessa siffror ingår 25% lägre kostnad för investeringar och 3% högre driftkostnader.Slutligen, genom att öka trafikvolymen med 5 respektive 10 ggr från den ursprungliga trafik matrisen så kan de totala kostnaderna sänkas med 39% och 43%.
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Maamoun, Khaled M. "Deploying Monitoring Trails for Fault Localization in All-optical Networks and Radio-over-Fiber Passive Optical Networks." Thèse, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/23195.

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Fault localization is the process of realizing the true source of a failure from a set of collected failure notifications. Isolating failure recovery within the network optical domain is necessary to resolve alarm storm problems. The introduction of the monitoring trail (m-trail) has been proven to deliver better performance by employing monitoring resources in a form of optical trails - a monitoring framework that generalizes all the previously reported counterparts. In this dissertation, the m-trail design is explored and a focus is given to the analysis on using m-trails with established lightpaths to achieve fault localization. This process saves network resources by reducing the number of the m-trails required for fault localization and therefore the number of wavelengths used in the network. A novel approach based on Geographic Midpoint Technique, an adapted version of the Chinese Postman’s Problem (CPP) solution and an adapted version of the Traveling Salesman’s Problem (TSP) solution algorithms is introduced. The desirable features of network architectures and the enabling of innovative technologies for delivering future millimeter-waveband (mm-WB) Radio-over-Fiber (RoF) systems for wireless services integrated in a Dense Wavelength Division Multiplexing (DWDM) is proposed in this dissertation. For the conceptual illustration, a DWDM RoF system with channel spacing of 12.5 GHz is considered. The mm-WB Radio Frequency (RF) signal is obtained at each Optical Network Unit (ONU) by simultaneously using optical heterodyning photo detection between two optical carriers. The generated RF modulated signal has a frequency of 12.5 GHz. This RoF system is easy, cost-effective, resistant to laser phase noise and also reduces maintenance needs, in principle. A revision of related RoF network proposals and experiments is also included. A number of models for Passive Optical Networks (PON)/ RoF-PON that combine both innovative and existing ideas along with a number of solutions for m-trail design problem of these models are proposed. The comparison between these models uses the expected survivability function which proved that these models are liable to be implemented in the new and existing PON/ RoF-PON systems. This dissertation is followed by recommendation of possible directions for future research in this area.
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Grenar, David. "Řešení nasazení DWDM systémů na 100G a 400G." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-242064.

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The aim of this master´s thesis is an explanation of the problem of transport optical networks with Dense Wavelength Division Multiplexing. DWDM principle, properties and limit of transmission system. Focus of thesis is also specification properties of migration transmission system to higher speed 40G, 100G and in future to 400G. Part of thesis is outlined the basic division of multiplexing system, there are discussed the basic solutions of wavelength multiplexes CWDM and DWDM, focus for the effects of nonlinear phenomena and parasitic modulation FWM, SPM and XPM in modulation DP-QPSK and 16-QAM. In practicle part we will make measurement of properties of 10G and then experimental measurement parameters on 100G.
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Lepley, Jason J. "Frequency stabilisation for dense wavelength division multiplexing systems." Thesis, University of Essex, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310059.

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Thomas-Dupuis, Frédéric. "Investigation of two-dimensional optical formatting for dense wavelength division multiplexing." Thesis, McGill University, 2002. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=79265.

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Many multi-channel free-space micro-optical components such as micro-mirror switches and (tunable) vertical-cavity surface emitting lasers (VCSELs) are arranged in two-dimensional arrays. This thesis explores the design, implementation and characterization of a two-dimensional optical wavelength (de)multiplexer designed to interface between wavelength division multiplexing (WDM) optical networks and 2D micro-mirror optical switch, VCSEL or detector arrays. The system uses multifacet gratings to map the light from a traditional optical (de)multiplexer to a 4 x 16 array with a pitch of 250 mum. The device is 6.05 mm in length and could be fabricated by plastic injection molding. The device successfully performs the two-dimensional mapping. The average efficiency for the device was measured to be 10.4%. The thesis ends with a list of future work that can be done to improve both the theoretical and practical efficiency of the device.
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Boeck, Robert. "High performance silicon photonic filters for dense wavelength-division multiplexing applications." Thesis, University of British Columbia, 2016. http://hdl.handle.net/2429/57688.

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This dissertation presents theoretical and experimental results for silicon optical ring resonator filters that meet many of the typical commercial specifications for dense wavelength-division multiplexing (DWDM) filters. First, we theoretically demonstrate a silicon quadruple Vernier racetrack resonator that meets 4-port filter commercial specifications for a clear window of 0.08 nm and a channel spacing of 0.8 nm while being tolerant to typical fabrication variations. Next, we experimentally demonstrate a silicon quadruple Vernier racetrack resonator that meets many 3-port filter commercial specifications for a clear window of 0.048 nm and a channel spacing of 0.8 nm. Then, enhanced resonant tuning range using the Vernier effect is theoretically and experimentally demonstrated using a thermally tunable silicon quadruple Vernier racetrack resonator. Also, we sent 12.5 Gbps data through a thermally tunable silicon quadruple Vernier racetrack resonator and show open eye diagrams in both the drop port and through port of the filter, even within one of the minor through port notches. We then present theoretical and experimental results on a high performance silicon double microring resonator filter using Mach-Zhender interferometer-based coupling that meets numerous 3-port filter commercial specifications for a clear window of 8 GHz and a channel spacing of 200 GHz as well as having an FSR larger than the span of the C-band and low through port passband dispersion. Next, we present a FSR-eliminated silicon Vernier racetrack resonator filter. We demonstrate the performance of this filter both theoretically and experimentally. The FSR of this filter is eliminated by using contra-directional grating couplers (contra-DCs) to suppress all but one of the notches and peaks of the filter's spectra. Lastly, a process calibration procedure is demonstrated that accurately determines the coupling coefficients of fabricated contra-DCs and is used to design a FSR-eliminated silicon Vernier racetrack resonator filter that meets 3-port filter commercial specifications for a clear window of 13 GHz and a channel spacing of 200 GHz. This filter also has low drop port dispersion and low dispersion within the passbands of the through port.
Applied Science, Faculty of
Electrical and Computer Engineering, Department of
Graduate
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Zhu, Jiannan. "Novel energy-efficient DWDM systems for low-cost optical communication applications." Thesis, University of Cambridge, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.709467.

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Akanbi, Oladeji Bamidele. "Bi-directional Dense Wavelength Division Multiplexed Systems for Broadband Access Networks." Diss., Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/13964.

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Dense wavelength division multiplexing (DWDM) is becoming the technology of choice for meeting the increasing bandwidth demands in optical networks. DWDM has been used to increase the capacity of long-haul optical transport systems. Efforts are being made to move DWDM into the broadband access network serving residential and business subscribers. First, a new centralized DWDM PON scheme is demonstrated for bi-directional upstream and downstream transmissions. The proposed DWDM PON scheme is implemented using optical carrier suppression and separation (OCSS) technology to generate a wavelength pair from a single laser source at the central office. This method enables the co-location of both upstream and downstream DWDM transmitters in the central office. In addition, the complexity, cost, and maintenance of the optical network unit are reduced by enabling wavelength independent operation. Second, a new multistage architecture is proposed for the delivery of information to groups of subscribers located at different distances from the central office. A 25 GHz DWDM comb is generated using OCSS technology, and error-free transmission of four 10 Gbps channels is demonstrated. Finally, a new wide area access network with bi-directional DWDM amplification using semiconductor optical amplifiers (SOAs) is demonstrated. The detrimental effect of SOA crosstalk resulting from cross gain modulation can be suppressed using a constant intensity modulation format such as differential phase shift keying (DPSK). The feasibiity of bi-directional DPSK transmission of 16 interleaved DWDM channels using an in-line SOA has been studied experimentally. In addition, the reduction of bi-directional SOA reflections has been realized by optimizing the SOA bias current and facet reflectivities.
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Books on the topic "DWDM (Dense Wavelength Division Multiplexing)"

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Kartalopoulos, Stamatios V. DWDM: Networks, devices, and technology. Piscataway, N.J: IEEE Press, 2003.

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Kartalopoulos, Stamatios V. Introduction to DWDM technology: Data in a rainbow. Bellingham, Wash: SPIE Optical Engineering Press, 2000.

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Kartalopoulos, Stamatios V. Introduction to DWDM technology: Data in a rainbow. New York: IEEE Press, 2000.

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Krauss, Ottmar. DWDM and optical networks: An introduction in [i.e. to] terabit technology. Erlangen: Publicis, 2002.

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Kartalopoulos, Stamatios V. Introduction to DWDM technology: Data in a rainbow. Bellingham, Wash: SPIE Optical Engineering Press, 1999.

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Kartalopoulos, Stamatios V. DWDM: Networks, Devices, and Technology. Wiley-IEEE Press, 2002.

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Krauss, Ottmar. DWDM and Optical Networks: An Introduction to Terabit Technology. Wiley-VCH, 2002.

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Kartalopoulos, Stamatios V. Introduction to DWDM Technology: Data in a Rainbow. Wiley-IEEE Press, 1999.

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DWDM Fundamentals, Components, and Applications. Artech House Publishers, 2002.

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Kartalopoulos, Stamatios V. Introduction to Dwdm Technology: Data in a Rainbow (Spie Press Monograph). SPIE-International Society for Optical Engine, 1999.

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Book chapters on the topic "DWDM (Dense Wavelength Division Multiplexing)"

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Weik, Martin H. "dense wavelength-division multiplexing." In Computer Science and Communications Dictionary, 385. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_4724.

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Kakati, Dhiman, and Subhash C. Arya. "Design of Dense Wavelength Division Multiplexing System Using DQPSK Modulation Format." In Proceedings of the International Conference on Computing and Communication Systems, 217–23. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-6890-4_20.

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Sheela Sobana Rani, K., R. Gayathri, R. Lavanya, and K. Uthayasuriyan. "Design of Reliable Dense Wavelength Division Multiplexing System for Metropolitan Area Network." In Inventive Computation Technologies, 782–93. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-33846-6_85.

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"Dense Wavelength Division Multiplexing." In Introduction to DWDM Technology. IEEE, 2009. http://dx.doi.org/10.1109/9780470544990.part4.

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"Waveguides for Dense Wavelength-Division Multiplexing (DWDM) Systems." In Silicon Photonics, 333–52. Chichester, UK: John Wiley & Sons, Ltd, 2012. http://dx.doi.org/10.1002/9781119945161.ch12.

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Kemper Littman, Marlyn. "Implementing DWDM Lambda-Grids." In Encyclopedia of Multimedia Technology and Networking, Second Edition, 661–67. IGI Global, 2009. http://dx.doi.org/10.4018/978-1-60566-014-1.ch089.

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Unprecedented demand for ultrafast and dependable access to computing Grids contributes to the accelerating use of dense wavelength division multiplexing (DWDM) technology as a Lambda-Grid enabler. In the Lambda-Grid space, the DWDM infrastructure provisions dynamic lambdas or wavelengths of light ondemand to support terabyte and petabyte transmission rates; seamless access to large-scale aggregations of feature-rich resources; and extendible Grid and inter- Grid services with predictable performance guarantees (Boutaba, Golab, Iraqi, Li, & St. Arnaud, 2003). DWDM Lambda-Grids consist of shared network components that include interconnected federations of other Grids, dense collections of computational simulations, massive datasets, specialized scientific instruments, metadata repositories, large-scale storage systems, digital libraries, and clusters of supercomputers (Naiksatam, Figueira, Chiappari, & Bhatnagar, 2005). As a consequence of the convergence of remarkable advances in DWDM technology and high-performance computing, Lambda-Grids support complex problem resolution in fields that include seismology, neuroscience, bioinformatics, chemistry, and nuclear physics. This chapter begins with a discussion of Grid development and DWDM technical fundamentals. In the sections that follow, the role of the virtual organization (VO) in establishing and supporting DWDM Lambda-Grid initiatives; capabilities of the Globus Toolkit (GT) in facilitating Lambda-Grid construction; distinguishing characteristics of Lambda-Grid operations, architectures, and protocols; and major Web services (WS) specifications in the Lambda-Grid space are examined. Descriptions of DWDM Lambda- Grid initiatives and security challenges associated with DWDM Lambda-Grid implementations are presented. Finally, trends in DWDM Lambda-Grid research are introduced.
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"Dense Wavelength Division Multiplexing." In Diffraction, Fourier Optics and Imaging, 338–60. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2006. http://dx.doi.org/10.1002/9780470085004.ch19.

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Bhatia, Vikram. "Advances in Dense Wavelength Division Multiplexing/Demultiplexing Technologies." In Guided Wave Optical Components and Devices, 281–89. Elsevier, 2006. http://dx.doi.org/10.1016/b978-012088481-0/50019-x.

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"Dense Wavelength Division Multiplexing Networks: Principles and Applications." In The Best of the Best. IEEE, 2009. http://dx.doi.org/10.1109/9780470546543.ch7.

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Merlemis, N., and D. Zevgolis. "Wavelength Division Multiplexing Technologies and their Applications." In Handbook of Research on Heterogeneous Next Generation Networking, 67–79. IGI Global, 2009. http://dx.doi.org/10.4018/978-1-60566-108-7.ch004.

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This chapter is an introduction of the Wavelength-division multiplexing (WDM) technologies (such as Dense WDM and coarse WDM) and their recent applications in optical networks. WDM is used to multiplex multiple optical carrier signals on a single optical fibre by using different wavelengths of laser light to carry different signals. This allows for a multiplication in available bandwidth and, in addition, makes possible to perform bidirectional communications over one strand of fibre. We present the optical components used in WDM and review some of the most important applications of the technology.
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Conference papers on the topic "DWDM (Dense Wavelength Division Multiplexing)"

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Chennu, Pushkar, Jennifer Doris Bratton, and Mehdi Shadaram. "Effect of phase noise in Dense Wavelength Division Multiplexing (DWDM) networks." In 2006 IEEE Region 5 Conference. IEEE, 2006. http://dx.doi.org/10.1109/tpsd.2006.5507433.

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Kachhatiya, Vivek, and Shanthi Prince. "Wavelength division multiplexing-dense wavelength division multiplexed passive optical network (WDM-DWDM-PON) for long reach terrain connectivity." In 2016 International Conference on Communication and Signal Processing (ICCSP). IEEE, 2016. http://dx.doi.org/10.1109/iccsp.2016.7754518.

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Fotiadis, Konstantinos, Stelios Pitris, Miltiadis Moralis-Pegios, Charoula Mitsolidou, Peter De Heyn, Jorris Van Campenhout, Theonitsa Alexoudi, and Nikos Pleros. "16×16 silicon photonic AWGR for dense wavelength division multiplexing (DWDM) O-band interconnects." In Silicon Photonics XV, edited by Graham T. Reed and Andrew P. Knights. SPIE, 2020. http://dx.doi.org/10.1117/12.2543749.

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Svacek, Joseph F., Arthur R. Nelson, Charles B. Morrison, and James H. Bechtel. "Dense wavelength division multiplexing (DWDM) digital fiber optic transmission system for multichannel video, audio, and data." In Voice, Video, and Data Communications, edited by Ray T. Chen and Louis S. Lome. SPIE, 1998. http://dx.doi.org/10.1117/12.300936.

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Nawawi, N. M., M. S. Anuar, C. B. M. Rashidi, S. A. Aljunid, A. K. Rahman, M. N. Junita, and S. R. Abdullah. "Dispersion compensation dense wavelength division multiplexing (DC DWDM) for nonlinearity analysis at various propagation distance and input power." In 2015 International Conference on Computer, Communications, and Control Technology (I4CT). IEEE, 2015. http://dx.doi.org/10.1109/i4ct.2015.7219595.

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Wadie, Martina N., Ibrahim A. Elewah, and Moustafa H. Aly. "Performance evaluation and enhancement of dense wavelength division multiplexing passive optical network DWDM-PON cross-seeding system with Rayleigh backscattering mitigation." In Broadband Access Communication Technologies XIV, edited by Benjamin B. Dingel, Katsutoshi Tsukamoto, and Spiros Mikroulis. SPIE, 2020. http://dx.doi.org/10.1117/12.2541059.

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Hengesbach, Stefan, Carlo Holly, Niels Krauch, Ulrich Witte, Thomas Westphalen, Martin Traub, and Dieter Hoffmann. "High-power dense wavelength division multiplexing (HP-DWDM) of frequency stabilized 9xx diode laser bars with a channel spacing of 1.5 nm." In SPIE LASE, edited by Mark S. Zediker. SPIE, 2014. http://dx.doi.org/10.1117/12.2036974.

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Hengesbach, Stefan, Sarah Klein, Carlo Holly, Ulrich Witte, Martin Traub, and Dieter Hoffmann. "Simultaneous frequency stabilization and high-power dense wavelength division multiplexing (HP-DWDM) using an external cavity based on volume Bragg gratings (VBGs)." In SPIE LASE, edited by Mark S. Zediker. SPIE, 2016. http://dx.doi.org/10.1117/12.2212550.

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Pradhan, Salil, John Arbulich, Purushothaman Damodaran, and K. Srihari. "Testability of Erbium Doped Fiber Amplifiers: An Approach Towards Yield Improvement." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-59280.

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Erbium Doped Fiber Amplifiers (EDFAs) are extensively used in Dense Wavelength Division Multiplexing (DWDM) technology for long haul optical transmission networks. The manufacturing of optoelectronic products has been gradually transferred from Original Equipment Manufacturers (OEMs) to the Electronics Manufacturing Service (EMS) providers. Operator dependency and the lack of automation increase the cycle time in optoelectronics manufacturing. Manufacturing difficulties and lower yield reduce the throughput. Consequently, identifying and implementing activities to improve yield becomes crucial for an EMS provider to survive in a medium-to-high volume environment. During the manufacturing processes, several tests are conducted to calibrate the EDFA at room temperature and temperature extremes. Critical parameters such as gain, flatness, and the noise figure are monitored at multiple stages. Failures (or non-conformities) observed in any of these parameters at any stage results in a reduced first pass yield. In this paper, several aspects of testing an EDFA and the failure modes at various stages, which result in lower yields, have been discussed. Root cause analysis and the corrective actions taken to significantly improve the first pass yield are presented. Relationships between some of the critical parameters have been discussed. Finally, guidelines for yield improvement are delineated. The results are based upon studies conducted on an EDFA, which is manufactured by the facility where this research was conducted.
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"Dense wavelength division multiplexing." In Tutorial Guide. ISCAS 2001. IEEE International Symposium on Circuits and Systems. IEEE, 2001. http://dx.doi.org/10.1109/tutcas.2001.946978.

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Reports on the topic "DWDM (Dense Wavelength Division Multiplexing)"

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Fredette, A., and J. Lang, eds. Link Management Protocol (LMP) for Dense Wavelength Division Multiplexing (DWDM) Optical Line Systems. RFC Editor, October 2005. http://dx.doi.org/10.17487/rfc4209.

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Zhang, X., H. Zheng, R. Casellas, O. Gonzalez de Dios, and D. Ceccarelli. GMPLS OSPF-TE Extensions in Support of Flexi-Grid Dense Wavelength Division Multiplexing (DWDM) Networks. RFC Editor, May 2018. http://dx.doi.org/10.17487/rfc8363.

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Zhang, F., X. Zhang, A. Farrel, O. Gonzalez de Dios, and D. Ceccarelli. RSVP-TE Signaling Extensions in Support of Flexi-Grid Dense Wavelength Division Multiplexing (DWDM) Networks. RFC Editor, March 2016. http://dx.doi.org/10.17487/rfc7792.

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Zhang, F., X. Fu, D. Ceccarelli, and I. Hussain. Framework and Requirements for GMPLS-Based Control of Flexi-Grid Dense Wavelength Division Multiplexing (DWDM) Networks. Edited by O. Gonzalez de Dios and R. Casellas. RFC Editor, November 2015. http://dx.doi.org/10.17487/rfc7698.

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Hopkins, Deborah. CRADA Final Report: Thermal Design and Analysis Tools for Dense-Wavelength-Division-Multiplexed (DWDM) Optical Networks. Office of Scientific and Technical Information (OSTI), January 2005. http://dx.doi.org/10.2172/1157016.

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