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Journal articles on the topic 'Reconfigurable optical add / drop multiplexers (ROADM)'

Author: Grafiati

Published: 4 June 2021

Last updated: 17 February 2022

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1

Kozdrowski, Stanisław, Mateusz Żotkiewicz, and Sławomir Sujecki. "Optimization of Optical Networks Based on CDC-ROADM Technology." Applied Sciences 9, no. 3 (2019): 399. http://dx.doi.org/10.3390/app9030399.

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New generation of optical nodes in dense wavelength division multiplexed networks enables operators to improve service flexibility and make significant savings, both in operational and capital expenditures. Thus the main objective of the study is to minimize optical node resources, such as transponders, multiplexers and wavelength selective switches, needed to provide and maintain high quality dense wavelength division multiplexed network services using new generation of optical nodes. A model based on integer programming is proposed, which includes a detailed description of an optical network

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2

Kundrát, Jan. "Software-Defined Optics in Last Mile for Research and Education in the Czech Republic." Journal of Communications Software and Systems 11, no. 4 (2015): 192. http://dx.doi.org/10.24138/jcomss.v11i4.97.

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The Software Defined Networking (SDN) gained recognition due to its improvements at the packet switching and routing layers. The benefits of programmable, remotely controllable networking devices can be applied to the optical layer of contemporary networks as well. This work introduces CESNET's Czech Light~® family of devices and their role in enabling the SDN approach within the CESNET's production network. As a case study, an upgrade of the Cheb node in CESNET's network from a hard-spliced add-drop multiplexers to SDN-capable Reconfigurable Optical Add-Drop Multiplexers (ROADM) is presented.

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3

Luong Van, Hieu, and Kien Do Trung. "OPTIMAL PROVISIONING OF OPTICAL NETWORKS WITH ASYMMETRIC NODES." Journal of Science Natural Science 65, no. 10 (2020): 36–48. http://dx.doi.org/10.18173/2354-1059.2020-0046.

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Wavelength Switched Optical Networks (WSONs) have been designed to take advantage of all optical switching fabrics with a high level of automation and efficiency. Therein, the Wavelength Selective Switches (WSS) represent the core switching elements with a technology enabling multi-degree Reconfigurable Optical Add\Drop Multiplexers (ROADM) architectures with colorless and directionless switching. In this paper, we propose an optimization model to establish the best ROADM switching connectivity to maximize the grade of service, for a given number of ports. We show that the grade of service can

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4

Nguyen, Vinh Huu, In Ki Kim, and Tae Joon Seok. "Silicon Photonic Mode-Division Reconfigurable Optical Add/Drop Multiplexers with Mode-Selective Integrated MEMS Switches." Photonics 7, no. 4 (2020): 80. http://dx.doi.org/10.3390/photonics7040080.

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Mode-division multiplexing (MDM) is an attractive solution for future on-chip networks to enhance the optical transmission capacity with a single laser source. A mode-division reconfigurable optical add/drop multiplexer (ROADM) is one of the key components to construct flexible and complex on-chip optical networks for MDM systems. In this paper, we report on a novel scheme of mode-division ROADM with mode-selective silicon photonic MEMS (micro-electromechanical system) switches. With this ROADM device, data carried by any mode-channels can be rerouted or switched at an MDM network node, i.e.,

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5

Holliday, Clifford, and Paul Polishuk. "Present State of Reconfigurable Optical Add Drop Multiplexers (ROADMs)." Fiber and Integrated Optics 27, no. 3 (2008): 127–30. http://dx.doi.org/10.1080/01468030802174094.

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6

Zhao, Dong Yan, Ke Ping Long, Yi Chuan Zheng, Zhi Yuan Du, Jun Fei Shi, and Shuo Cheng. "Control of Channel Power Compensation Based on Genetic Algorithm to Impairment Aware in Optical Network." Applied Mechanics and Materials 721 (December 2014): 226–29. http://dx.doi.org/10.4028/www.scientific.net/amm.721.226.

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In this paper, we address the problem to power impairment in amplified WDM communication networks with ROADM (Reconfigurable Optical Add-Drop Multiplexers), in order to improve the performance of communication systems. In dynamic transmission network, we propose a new control strategy that effectively adjusts signal power in the chain network. The results of simulation show that the proposed control strategy could effectively adjust better channel power and reduce the amount of adjustment to achieve transmission performance.

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7

Wu, Po-Tsung, and Tsair-Chun Liang. "Design of Novel Fiber Optical Flexible Routing System." Applied Sciences 9, no. 22 (2019): 4763. http://dx.doi.org/10.3390/app9224763.

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In this paper, we propose a new versatile routing device that utilizes arrayed waveguide gratings (AWGs), optical switches, and optical circulators to implement reconfigurable optical add/drop multiplexers (ROADMs), optical interleavers, and optical cross-connect (OXC). With the development of dense wavelength division multiplexing (DWDM) technology, ROADM and OXC technologies have also been put into practical use. Thus, the optical signal can be routed directly in the optical network according to its wavelength without the need for optical-electrical-optical (OEO) conversion. Although differe

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8

Wang, Qiang, Yang Yue, Jian Yao, and Jon Anderson. "Adaptive Compensation of Bandwidth Narrowing Effect for Coherent In-Phase Quadrature Transponder through Finite Impulse Response Filter." Applied Sciences 9, no. 9 (2019): 1950. http://dx.doi.org/10.3390/app9091950.

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Coherent in-phase quadrature (IQ) transponders are ubiquitous in the long-haul and the metro optical networks. During the transmission, the coherent signal experiences a bandwidth narrowing effect after passing through multiple reconfigurable optical add-drop multiplexers (ROADMs). The coherent signal also experiences a bandwidth narrowing effect when electrical or optical components of the coherent IQ transponder experience aging. A dynamic method to compensate the bandwidth narrowing effect is thus required. In the coherent optical receiver, signal bandwidth is estimated from the raw analog-

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9

Abdo, Ahmad, and Claude D’Amours. "Adaptive Pre/Post-Compensation of Cascade Filters in Coherent Optical Transponders." Future Internet 12, no. 2 (2020): 21. http://dx.doi.org/10.3390/fi12020021.

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We propose an adaptive joint pre- and post-compensation to correct the filtering effects caused by cascading reconfigurable optical add drop multiplexers (ROADMs). The improvement is achieved without using additional hardware (HW) on the link or within the signal processor in the transponders. Using Monte Carlo simulations, the gradient-descent based method shows an improvement of 0.6 dB and 1.1 dB in the required optical signal-to-noise ratio (R-OSNR) at the threshold pre-decoder bit error rate (BER) of 0.02 versus pre-compensation only in the linear and nonlinear operating region of fiber re

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10

Mitsolidou, Charoula, Christos Vagionas, Agapi Mesodiakaki, et al. "A 5G C-RAN Optical Fronthaul Architecture for Hotspot Areas Using OFDM-Based Analog IFoF Waveforms." Applied Sciences 9, no. 19 (2019): 4059. http://dx.doi.org/10.3390/app9194059.

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Analog fronthauling is currently promoted as a bandwidth and energy-efficient solution that can meet the requirements of the Fifth Generation (5G) vision for low latency, high data rates and energy efficiency. In this paper, we propose an analog optical fronthaul 5G architecture, fully aligned with the emerging Centralized-Radio Access Network (C-RAN) concept. The proposed architecture exploits the wavelength division multiplexing (WDM) technique and multicarrier intermediate-frequency-over-fiber (IFoF) signal generation per wavelength in order to satisfy the demanding needs of hotspot areas.

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11

Tripathi, Devendra Kr, Pallavi Singh, Shukla N.K, and Dixit H.K. "Reconfigurable Optical Add and Drop Multiplexers A Review." Electrical & Computer Engineering: An International Journal 3, no. 1 (2014): 1–13. http://dx.doi.org/10.14810/ecij.2014.3101.

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12

Yuan, Hai, and Wen-De Zhong. "Partially reconfigurable optical add-drop multiplexers for dense WDM networks." Optics Communications 219, no. 1-6 (2003): 165–70. http://dx.doi.org/10.1016/s0030-4018(03)01274-4.

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13

Tibuleac, S., and M. Filer. "Transmission Impairments in DWDM Networks With Reconfigurable Optical Add-Drop Multiplexers." Journal of Lightwave Technology 28, no. 4 (2010): 557–98. http://dx.doi.org/10.1109/jlt.2009.2037832.

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14

Fourneau, Jean Michel, Nora Izri, and Dominique Verchère. "Managing energy in a network of reconfigurable optical add/drop multiplexers." International Journal of Critical Computer-Based Systems 5, no. 1/2 (2014): 127. http://dx.doi.org/10.1504/ijccbs.2014.059595.

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15

Chen, Sitao, Yaocheng Shi, Sailing He, and Daoxin Dai. "Compact Eight-Channel Thermally Reconfigurable Optical Add/Drop Multiplexers on Silicon." IEEE Photonics Technology Letters 28, no. 17 (2016): 1874–77. http://dx.doi.org/10.1109/lpt.2016.2574459.

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16

Lu, Yangyang, Yonghui Tian, and Lin Yang. "Integrated reconfigurable optical add-drop multiplexers based on cascaded microring resonators." Journal of Semiconductors 34, no. 9 (2013): 094012. http://dx.doi.org/10.1088/1674-4926/34/9/094012.

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17

Leisching, P., H. Bock, A. Richter, et al. "All-optical-networking at 0.8 Tb/s using reconfigurable optical add/drop multiplexers." IEEE Photonics Technology Letters 12, no. 7 (2000): 918–20. http://dx.doi.org/10.1109/68.853554.

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18

Tang, J. M., and K. Alan Shore. "Wavelength-Routing Capability of Reconfigurable Optical Add/Drop Multiplexers in Dynamic Optical Networks." Journal of Lightwave Technology 24, no. 11 (2006): 4296–303. http://dx.doi.org/10.1109/jlt.2006.883662.

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19

An Vu Tran, Wen De Zhong, R. S. Tucker, and Kai Song. "Reconfigurable multichannel optical add-drop multiplexers incorporating eight-port optical circulators and fiber Bragg gratings." IEEE Photonics Technology Letters 13, no. 10 (2001): 1100–1102. http://dx.doi.org/10.1109/68.950748.

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20

Borraz-Sánchez, Conrado, and Diego Klabjan. "Optimal placement of reconfigurable optical add/drop multiplexers with packing, blocking, and signal loss." Computer Networks 57, no. 6 (2013): 1443–58. http://dx.doi.org/10.1016/j.comnet.2013.02.002.

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21

Chen, Yung-Kuang, Chia-Hsiung Chang, Yi-Lung Yang, I.-Yu Kuo, and Tsair-Chun Liang. "Mach–Zehnder fiber-grating-based fixed and reconfigurable multichannel optical add-drop multiplexers for DWDM networks." Optics Communications 169, no. 1-6 (1999): 245–62. http://dx.doi.org/10.1016/s0030-4018(99)00408-3.

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22

Zhang, Bo, Ru Zhang, Qi Zhang, and Xiangjun Xin. "Optical filtering penalty estimation using artificial neural network in elastic optical networks with cascaded reconfigurable optical add–drop multiplexers." Optical Engineering 58, no. 07 (2019): 1. http://dx.doi.org/10.1117/1.oe.58.7.076105.

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23

Li, Chenlei, Dajian Liu, and Daoxin Dai. "Multimode silicon photonics." Nanophotonics 8, no. 2 (2018): 227–47. http://dx.doi.org/10.1515/nanoph-2018-0161.

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AbstractMultimode silicon photonics is attracting more and more attention because the introduction of higher-order modes makes it possible to increase the channel number for data transmission in mode-division-multiplexed (MDM) systems as well as improve the flexibility of device designs. On the other hand, the design of multimode silicon photonic devices becomes very different compared with the traditional case with the fundamental mode only. Since not only the fundamental mode but also the higher-order modes are involved, one of the most important things for multimode silicon photonics is the

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24

Kumar, Anil, and Karamjit Kaur. "Impact of System Parameters of Optical Fiber Link on Four Wave Mixing." Recent Advances in Computer Science and Communications 13 (December 27, 2019). http://dx.doi.org/10.2174/2666255813666191227143529.

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Background: The invention of WDM technology in optical communication system has completely revolutionized the telecomm industry through its high data carrying capacity and efficiency of transmission. Advanced optical modulation formats with high spectral efficiency, advanced components like Reconfigurable Optical Add Drop Multiplexers (ROADMS), OXC, and large bandwidth requirements contributed significantly in existence of dynamic, flexible translucent and transparent networks. In these networks, it is common practice to increase the power levels as much as possible to overcome the power penal

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25

Cheng, Yuh-Jiuh, and Yhi Shiau. "Design of an All-Optical Network Based on LCoS Technologies." Journal of Optical Communications 37, no. 2 (2016). http://dx.doi.org/10.1515/joc-2015-0042.

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AbstractIn this paper, an all-optical network composed of the ROADMs (reconfigurable optical add-drop multiplexer), L2/L3 optical packet switches, and the fiber optical cross-connection for fiber scheduling and measurement based on LCoS (liquid crystal on silicon) technologies is proposed. The L2/L3 optical packet switches are designed with optical output buffers. Only the header of optical packets is converted to electronic signals to control the wavelength of input ports and the packet payloads can be transparently destined to their output ports. An optical output buffer is designed to queue

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