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Relevant bibliographies by topics / Teraherz Waveguides

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Academic literature on the topic 'Teraherz Waveguides'

Author: Grafiati

Published: 4 June 2021

Last updated: 3 February 2022

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Journal articles on the topic "Teraherz Waveguides"

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Ermolov, Vladimir, Antti Lamminen, Jaakko Saarilahti, Ben Wälchli, Mikko Kantanen, and Pekka Pursula. "Micromachining integration platform for sub-terahertz and terahertz systems." International Journal of Microwave and Wireless Technologies 10, no. 5-6 (2018): 651–59. http://dx.doi.org/10.1017/s175907871800048x.

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AbstractWe demonstrate a sub-terahertz (THz) and THz integration platform based on micromachined waveguides on silicon. The demonstrated components in the frequency range 225–325 GHz include waveguides, filters, waveguide vias, and low-loss transitions between the waveguide and the monolithic integrated circuits. The developed process relies on microelectromechanical systems manufacturing methods and silicon wafer substrates, promising a scalable and cost-efficient system integration method for future sub-THz and THz communication and sensing applications. Low-temperature Au/In thermo-compress

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Bhardwaj, Rakesh Kumar, H. S. Sudhamani, V. P. Dutta, and Naresh Bhatnagar. "Micromachining and Characterisation of Folded Waveguide Structure at 0.22THz." Journal of Infrared, Millimeter, and Terahertz Waves 42, no. 3 (2021): 229–38. http://dx.doi.org/10.1007/s10762-021-00767-w.

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AbstractThe demand of high-speed wireless communication has increased, which need the data rate to be in the order of Terabyte per second (Tbps) in the near future. Terahertz (THz) band communication is a key wireless communication technology to satisfy this future demand. This would also reduce the spectrum scarcity and capacity limitation of current wireless systems. Microfabricated Folded Waveguide TWTs are the potential compact sources of wide band and high-power terahertz radiation. This study primarily focuses on machining technology for THz waveguide components requiring ultra-high prec

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Uranus, Henri P., and B. M. A. Rahman. "Low-loss ARROW waveguide with rectangular hollow core and rectangular low-density polyethylene/air reflectors for terahertz waves." Journal of Nonlinear Optical Physics & Materials 27, no. 03 (2018): 1850029. http://dx.doi.org/10.1142/s0218863518500297.

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Designing low-loss waveguides for terahertz waves is challenging as most materials are very lossy in this frequency band. Most scientists simply consider transmitting the waves through low-loss air, which however also has its own difficulties as index-guiding is not possible. In this paper, we report on the design of low-loss waveguides for terahertz waves and associated results by using a finite element leaky mode solver. These results show that waveguides designed using ARROW (anti-resonant reflecting optical waveguide) approach yield a low combined absorption and leakage loss down to only 0

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Xu, Lan-Lan, Ya-Xian Fan, Huan Liu, Tao Zhang, and Zhi-Yong Tao. "Terahertz Displacement Sensing Based on Interface States of Hetero-Structures." Electronics 9, no. 8 (2020): 1213. http://dx.doi.org/10.3390/electronics9081213.

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Herein, we propose a nano displacement sensor based on the interface state of a terahertz hetero-structure waveguide. The waveguide consists of two periodically corrugated metallic tubes with different duty ratios, which can result in similar forbidden bands in their frequency spectra. It was found that the topological properties of these forbidden bands are different, and the hetero-structure can be formed by connecting these two waveguides. In the hetero-structure waveguide, the interface state of an extraordinary transmission can always arise within the former forbidden bands, the peak freq

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Teng, Da, and Kai Wang. "Theoretical Analysis of Terahertz Dielectric–Loaded Graphene Waveguide." Nanomaterials 11, no. 1 (2021): 210. http://dx.doi.org/10.3390/nano11010210.

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The waveguiding of terahertz surface plasmons by a GaAs strip-loaded graphene waveguide is investigated based on the effective-index method and the finite element method. Modal properties of the effective mode index, modal loss, and cut-off characteristics of higher order modes are investigated. By modulating the Fermi level, the modal properties of the fundamental mode could be adjusted. The accuracy of the effective-index method is verified by a comparison between the analytical results and numerical simulations. Besides the modal properties, the crosstalk between the adjacent waveguides, wh

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Biryukov, Vladimir, Vladimir Grachev, Ekaterina Karakozova, Sergey Lobin, and Vladimir Shcherbakov. "Estimation of losses per unit length in a rectangular waveguide with rough screening surfaces based on the concept of partial waves." ITM Web of Conferences 30 (2019): 07001. http://dx.doi.org/10.1051/itmconf/20193007001.

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A method for calculating the rough surface reflection coefficient of an electromagnetic wave is proposed. It is shown that the screening surface roughness in waveguides is equivalent to a decrease in conductivity of these surfaces in comparison with values belonging to Schukin-Leontovich boundary conditions for completely smooth surfaces. Examples of calculating the attenuation coefficient in the rectangular waveguide with rough screening surfaces in a terahertz frequency range are presented. The influence of the size and shape of the rough surface profile irregularities on the waveguide atten

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T. V., Smitha, Madhura S, Shreya N, and Sahana Udupa. "Optical Waveguides and Terahertz Signal by Finite Element Method: A Survey." June 2021 3, no. 2 (2021): 68–86. http://dx.doi.org/10.36548/jsws.2021.2.002.

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This paper examines the use of the Finite Element Method (FEM) in the field of optical waveguides and terahertz signals, with the main goal of explaining how this method aids in recent advances in this field. The basics of FEM are briefly reviewed, and the technique's application to waveguide discontinuity analysis is observed. Second-order and higher-order derivatives result from optical waveguide modeling, which is significant for information exchange and many other nonlinear phenomena. The use of FEM in the improvised design of hexagonal sort air hole porous core microstructure fibers, whic

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Tuniz, Alessandro. "Nanoscale nonlinear plasmonics in photonic waveguides and circuits." La Rivista del Nuovo Cimento 44, no. 4 (2021): 193–249. http://dx.doi.org/10.1007/s40766-021-00018-7.

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AbstractOptical waveguides are the key building block of optical fiber and photonic integrated circuit technology, which can benefit from active photonic manipulation to complement their passive guiding mechanisms. A number of emerging applications will require faster nanoscale waveguide circuits that produce stronger light-matter interactions and consume less power. Functionalities that rely on nonlinear optics are particularly attractive in terms of their femtosecond response times and terahertz bandwidth, but typically demand high powers or large footprints when using dielectrics alone. Pla

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Kalhor, Samane, Majid Ghanaatshoar, Hannah J. Joyce, David A. Ritchie, Kazuo Kadowaki, and Kaveh Delfanazari. "Millimeter-Wave-to-Terahertz Superconducting Plasmonic Waveguides for Integrated Nanophotonics at Cryogenic Temperatures." Materials 14, no. 15 (2021): 4291. http://dx.doi.org/10.3390/ma14154291.

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Plasmonics, as a rapidly growing research field, provides new pathways to guide and modulate highly confined light in the microwave-to-optical range of frequencies. We demonstrated a plasmonic slot waveguide, at the nanometer scale, based on the high-transition-temperature (Tc) superconductor Bi2Sr2CaCu2O8+δ (BSCCO), to facilitate the manifestation of chip-scale millimeter wave (mm-wave)-to-terahertz (THz) integrated circuitry operating at cryogenic temperatures. We investigated the effect of geometrical parameters on the modal characteristics of the BSCCO plasmonic slot waveguide between 100

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Khan, Muhammad Talal Ali, Haisu Li, Nathan Nam Minh Duong, Andrea Blanco‐Redondo, and Shaghik Atakaramians. "Terahertz Waveguide: 3D‐Printed Terahertz Topological Waveguides (Adv. Mater. Technol. 7/2021)." Advanced Materials Technologies 6, no. 7 (2021): 2170040. http://dx.doi.org/10.1002/admt.202170040.

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Dissertations / Theses on the topic "Teraherz Waveguides"

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Tanvir, Huda Muhammed. "Finite element characterisation of terahertz waveguides and devices." Thesis, City University London, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.548372.

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Episkopou, Elpida. "Reconfigurable optically-controlled waveguide for terahertz applications." Thesis, Imperial College London, 2014. http://hdl.handle.net/10044/1/42226.

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The development of tunable waveguide components for systems that require multifunctionality, at terahertz frequencies is investigated using the photoconductivity e ect. Specifically, by the photo-generation of free charged carriers highly conducting plasma regions are created and by changing the light pattern in real time, various tunable components can be implemented. The aim of this thesis is to present a novel reconfigurable optically-controlled terahertz waveguide switch as an illustrative example of this approach, addressing the challenges and limitations involved in simulation, implement

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Stone, Edmund K. "Semiconductor surface plasmons : a route to terahertz waveguides and sensors." Thesis, University of Exeter, 2012. http://hdl.handle.net/10036/3582.

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The terahertz regime has until recently been some what neglected due to the difficulty of generating and measuring terahertz radiation. Terahertz time domain spectroscopy has allowed for affordable and broadband probing of this frequency regime with phase sensitive measurements (chapter 3). This thesis aims to use this tool to add to the knowledge of the interactions between electromagnetic radiation and matter specifically in regard to plasmonics. This thesis covers several distinct phenomena related to plasmonics at terahertz frequencies. The generation of terahertz radiation from metal nano

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Hong, Binbin. "Photonic crystal millimetre wave and terahertz waveguides and functional components." Thesis, University of Leeds, 2018. http://etheses.whiterose.ac.uk/20998/.

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This work discusses both the theoretical and experimental guidance of low-loss single-mode millimetre-wave (mmW) and terahertz (THz) waves within microstructured photonic crystal fibre or waveguides, as well as functional components which can be built upon them. The aim of this work is to provide good interconnects for mmW and THz system. The interconnects are desired to be low loss, single mode, low dispersion, as well as easy to fabricate and integrate. In this work, photonic crystal structures, which can easily manipulate the wave-behaving photons by artificially changing its geometrical an

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Kohen, Stephen Michael 1980. "Electromagnetic modeling of terahertz quantum cascade laser waveguides and resonators." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/18058.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2004.<br>Page 108 blank.<br>Includes bibliographical references (p. 103-107).<br>Finite-element numerical modeling and analysis of electromagnetic waveguides and resonators used in terahertz (THz) quantum cascade lasers (QCLs) is presented. Simulations and analysis of two types were performed: two-dimensional waveguides, and two- and three-dimensional resonators. Both metal-metal and semi-insulating (SI) surface-plasmon geometries were investigated. Waveguide simulations extend previous

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Ye, Chen. "Theoretical and experimental study of Terahertz wave generation in waveguides." University of Dayton / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1322776062.

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Ganti, Satya Rama Naga Lakshmi. "Characterization and Modelling of Laser Micro-Machined Metallic Terahertz Wire Waveguides." Wright State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=wright1347472107.

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Harris, C. Thomas (Charles Thomas). "Terahertz waveguide spectroscopy of two-dimensional plasmons in GaAs." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/62452.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2010.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 85-88).<br>The electrical characteristics of high-mobility, two-dimensional electron gas (2DEG) systems, such as GaAs quantum wells, have been well-studied at low frequencies and in extreme conditions of high magnetic fields and ultralow temperatures. While high-frequency excitations of 2DEGs have been examined to some extent from microwave to terahertz (THz) frequencies, a fundamental understanding

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Pan, Yi. "Terahertz time-domain spectroscopy and near-field imaging of microstructured waveguides." Thesis, University of Bath, 2013. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.607613.

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This thesis presents studies of novel terahertz photonic devices, including photoconductive optoelectronic devices and guided-wave components, aimed at the development of next-generation terahertz systems. In chapter 2, a scalable interdigitated THz transmitter is designed to increase the output power and compared with a conventional 50 μm coplanar transmitter. In chapter 3, we compare four different receivers with different antenna geometries in terms of bandwidth and sensitivity. Then we describe a photoconductive near-field detector with a subwavelength aperture and its system integration a

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Quadir, A. "Finite element characterisation of plasmonic waveguides in terahertz and optical frequencies." Thesis, City, University of London, 2017. http://openaccess.city.ac.uk/17568/.

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In recent years plasmonic devices have become an interesting area of research due to the sub-wavelength confinement and propagation of radiation, allowing the design of very compact structures. Compact structures are necessary to make smaller integrated optical circuits. Due to the use of metals, plasmonic guides usually show more losses compared to the conventional dielectric guides. Therefore, plasmonic waveguides are not normally used for long distance transmission. However, they are promising for inter-chip or intra-chip communication and also have seen a lot of sensor applications. There

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Book chapters on the topic "Teraherz Waveguides"

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Mann, C. M. "Integrated Waveguides and Mixers." In New Directions in Terahertz Technology. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5760-5_14.

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Pollard, Roger D. "Millimetre Wave and Terahertz Waveguides and Measurements." In New Directions in Terahertz Technology. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5760-5_4.

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Nallappan, Kathirvel, Hichem Guerboukha, Yang Cao, et al. "Terahertz Waveguides for Next Generation Communication Network." In Next Generation Wireless Terahertz Communication Networks. CRC Press, 2021. http://dx.doi.org/10.1201/9781003001140-18.

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Szerling, Anna, Kamil Kosiel, Piotr Prokaryn, et al. "AlGaAs/GaAs Terahertz Quantum Cascade Laser with Gold-Based Metal – Metal Waveguide." In NATO Science for Peace and Security Series B: Physics and Biophysics. Springer Netherlands, 2017. http://dx.doi.org/10.1007/978-94-024-1093-8_17.

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Werley, Christopher A., and Keith A. Nelson. "The LiNbO3 Slab Waveguide: A Platform for Terahertz Signal Generation, Detection, and Control." In Ferroelectric Crystals for Photonic Applications. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41086-4_16.

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Sekhar Mishra, Chandra, and Gopinath Palai. "Stress Effect on a-SiCN:H Waveguide at Terahertz Frequency for Sensing Application Using FDTD Technique." In Advances in Data Science and Management. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-0978-0_52.

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Quema, Alex, Gilbert Diwa, Elmer Estacio, et al. "Terahertz (THz) Pigtail Assembly Utilizing a Lens Duct for Effective Coupling of THz Radiation into Teflon Photonic Crystal Fiber Waveguide." In Springer Series in Optical Sciences. Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-49119-6_38.

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Poola, Praveen Kumar, Ilya Krasnikov, and Aleksei Seteikin. "Waveguides for Terahertz Endoscopy." In Terahertz Biomedical and Healthcare Technologies. Elsevier, 2020. http://dx.doi.org/10.1016/b978-0-12-818556-8.00012-4.

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"Waveguides, Metamaterials, and Plasmonic Devices." In Principles of Terahertz Time-Domain Spectroscopy. Jenny Stanford Publishing, 2018. http://dx.doi.org/10.1201/b22478-13.

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"Waveguides for Terahertz Endoscopy ....................................................................... Tae-In Jeon and Daniel Grischkowsky." In Terahertz Biomedical Science and Technology. CRC Press, 2014. http://dx.doi.org/10.1201/b17060-11.

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Conference papers on the topic "Teraherz Waveguides"

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Atakaramians, S., S. Afshar Vahid, H. Ebendorff-Heidepriem, B. M. Fischer, T. Monro, and D. Abbott. "Terahertz Waveguides and Materials." In >2006 Joint 31st International Conference on Infrared Millimeter Waves and 14th International Conference on Teraherz Electronics. IEEE, 2006. http://dx.doi.org/10.1109/icimw.2006.368489.

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Mendis, Rajind. "THz Waveguides: The Evolution." In >2006 Joint 31st International Conference on Infrared Millimeter Waves and 14th International Conference on Teraherz Electronics. IEEE, 2006. http://dx.doi.org/10.1109/icimw.2006.368575.

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Nagel, Michael, Astrid Marchewka, and Heinrich Kurz. "Low-Index Discontinuity THz Waveguides." In >2006 Joint 31st International Conference on Infrared Millimeter Waves and 14th International Conference on Teraherz Electronics. IEEE, 2006. http://dx.doi.org/10.1109/icimw.2006.368777.

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Hasek, T., R. Wilk, H. Kurt, D. Citrin, and M. Koch. "Sub-terahertz 2D Photonic Crystal Waveguides for Fluid Sensing Applications." In >2006 Joint 31st International Conference on Infrared Millimeter Waves and 14th International Conference on Teraherz Electronics. IEEE, 2006. http://dx.doi.org/10.1109/icimw.2006.368447.

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Wang, K., and D. M. Mittleman. "Dispersion of Terahertz Surface Plasmon Polaritons on Metal Wire Waveguides." In >2006 Joint 31st International Conference on Infrared Millimeter Waves and 14th International Conference on Teraherz Electronics. IEEE, 2006. http://dx.doi.org/10.1109/icimw.2006.368722.

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Jia, Hongting, and Kiyotoshi Yasumoto. "Coupled Cavity Waveguides of Photonic Crystal Consisting of Magnetized Ferrite Medium." In >2006 Joint 31st International Conference on Infrared Millimeter Waves and 14th International Conference on Teraherz Electronics. IEEE, 2006. http://dx.doi.org/10.1109/icimw.2006.368247.

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Miao, Min, Jing Zhang, Yang Zhang, Bo Han, and Yufeng Jin. "The Investigation of 3D Embedded Microchannel Networks for 3D IC Cooling, Vacuum Packaging and THz Passive Device Applications." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-39950.

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This Paper reports the design, simulation and test of 3D microchannel networks intended for the 3D IC stackup cooling, vacuum building and even THz passive device applications. Recently, the prominent advantages of 3D IC integration, including reduction in system size, interconnect delay, power dissipation and enabling hyper-integration of chips from disparate process technologies, have drive the relentless research effort worldwide. Although various low-power methodologies are exploited, rapid increasing in device packing density in 3D stacking of chips have demanded revolutionary heat remova

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Jamison, S. P., R. W. McGowan, and D. Grischkowsky. "Dielectric terahertz waveguides." In Conference on Lasers and Electro-Optics (CLEO 2000). Technical Digest. Postconference Edition. TOPS Vol.39. IEEE, 2000. http://dx.doi.org/10.1109/cleo.2000.907346.

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Pahlevaninezhad, H., B. Heshmat, and T. E. Darcie. "Efficient Terahertz Waveguides." In European Conference and Exposition on Optical Communications. OSA, 2011. http://dx.doi.org/10.1364/ecoc.2011.tu.5.lesaleve.1.

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Wang, Kanglin, and Daniel Mittleman. "Dispersionless terahertz waveguides." In 2006 IEEE LEOS Annual Meeting. IEEE, 2006. http://dx.doi.org/10.1109/leos.2006.278958.

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Reports on the topic "Teraherz Waveguides"

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Melinger, Joseph S. Detection of Threat Materials Using Terahertz Waveguides and Long Pathlength Terahertz Spectroscopy. Defense Technical Information Center, 2015. http://dx.doi.org/10.21236/ada624164.

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Wachsmuth, Matthew. Measurement and Characterization of Terahertz Radiation Propagating Through a Parallel Plate Waveguide. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.317.

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Higgins, James. Measurement and Simulation of Parallel Plate Waveguide Structures in the Terahertz Region for Sensing and Material Characterization Applications. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.867.

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