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Relevant bibliographies by topics / Junction of waveguides

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Academic literature on the topic 'Junction of waveguides'

Author: Grafiati

Published: 26 January 2024

Last updated: 31 July 2025

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Journal articles on the topic "Junction of waveguides"

1

Berdnik, Sergey L., Victor A. Katrich, Mikhail V. Nesterenko, and Yuriy M. Penkin. "Waveguide T-junctions with resonant coupling between sections of different dimensions." International Journal of Microwave and Wireless Technologies 9, no. 5 (2016): 1059–65. http://dx.doi.org/10.1017/s175907871600129x.

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Electromagnetic characteristics of the E-plane T-junction for two rectangular waveguides using resonant coupling between the waveguide sections were studied by mathematical modeling. The problem of coupling between infinite and semi-infinite rectangular waveguides through a resonant slot in the end-wall of the semi-infinite waveguide in the presence of resonant monopole is solved in a strict electrodynamic formulation. The monopole with variable surface impedance is placed parallel to the narrow walls at an arbitrary position inside the infinite waveguide. The problem is solved analytically by

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2

Pochernyaev, V. N., and N. M. Syvkova. "EXTERNAL PARAMETERS OF THE CONNECTION OF A RECTANGULAR WAVEGUIDE PARTIALLY FILLED OF LINEAR DIELECTRIC WITH A RECTANGULAR WAVEGUIDE PARTIALLY FILLED OF NONLINEAR DIELECTRIC." Visnyk Universytetu “Ukraina”, no. 1 (28) 2020 (2020): 100–105. http://dx.doi.org/10.36994/2707-4110-2020-1-28-09.

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. In the article, the external parameters of the connection of a rectangular waveguide partially filled of linear dielectric with a rectangular waveguide partially filled of a nonlinear dielectric are determined. Knowledge of the external parameters of such a connection ensures the design of devices with open nonlinear elements. Promising microwave paths of radio engineering systems based on rectangular waveguides partially filled of dielectric include a wide variety of active and passive microwave devices. The plane-transverse junction of these waveguides is considered for various geometric d

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3

Ishibashi, Akira, Tsuyoshi Kasai, and Nobuo Sawamura. "Redirection Waveguide having Discrete Translational Symmetry for Photovoltaic Systems with Solar-Cell Units Placed at the Periphery." Energies 11, no. 12 (2018): 3498. http://dx.doi.org/10.3390/en11123498.

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We have investigated a new type of redirection waveguides for concentration solar-cell systems. The solar cell units are to be placed in the peripheral region of the waveguide. The redirection waveguide converts three-dimensionally propagating (3D) photons into 2D photons that propagate in a planar waveguide which serves as the mainstream of the redirection waveguide. In this new type, the cladding layer on one side of the planar waveguide, not being spatially continuous, tangentially touches the core of the planar waveguide which, having an open geometry, is connected, through tributary waveg

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4

Koala, Ratmalgre, Ryoma Maru, Kei Iyoda, Li Yi, Masayuki Fujita, and Tadao Nagatsuma. "Ultra-Low-Loss and Broadband All-Silicon Dielectric Waveguides for WR-1 Band (0.75–1.1 THz) Modules." Photonics 9, no. 8 (2022): 515. http://dx.doi.org/10.3390/photonics9080515.

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This study presents ultra-low-loss and broadband all-silicon dielectric waveguides for the WR-1 band (0.75–1.1 THz). The waveguides are built in high-resistivity silicon (10 kΩ-cm) and integrated with supportive frames fabricated from the same silicon wafer in a single etch process to achieve a compact design. We pursued low-loss, broadband, substrateless, unclad and effective medium waveguides. Smaller propagation losses of 0.3 dB/cm and 0.1 dB/cm were achieved for the unclad and effective medium waveguides, respectively. The 3 dB bandwidth was not encountered in the frequency range of intere

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Belubekyan, M. V., and S. L. Sahakyan. "ON THE LOCALIZATION OF SHEAR VIBRATIONS IN A COMPOSITE ELASTIC SEMI-INFINITE FLAT WAVEGUIDE." Proceedings of the YSU A: Physical and Mathematical Sciences 54, no. 1 (251) (2020): 44–49. http://dx.doi.org/10.46991/pysu:a/2020.54.1.044.

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In this paper we consider semi-infinite flat waveguides with different boundary conditions on the planes and on the edges that bound the waveguide. The possibility of localizing shear waves in the vicinity of the junction of neighbouring parts of a semi-infinite flat waveguide is established.

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D. V. Divakov, K.P. Lovetskiy, A. L. Sevastyanov, and A. A. Tiutiunnik. "Adiabatic guided modes of a three-layer integral optical waveguide." Technical Physics 68, no. 4 (2023): 423. http://dx.doi.org/10.21883/tp.2023.04.55931.292-22.

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The numerical solution of the problem of guided propagation of polarized light in a smooth junction of a planar waveguide is considered. Within the framework of the model of adiabatic guided modes, the system of Maxwell equations is reduced to a system of four ordinary differential equations and two algebraic equations for six components of the electromagnetic field in the zeroth approximation and the same number of equations in the first approximation. The multilayer structure of waveguides makes it possible to reduce the problem to a homogeneous system of linear algebraic equations, whose no

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7

Eccleston, Kimberley, and Ian Platt. "Identifying Near-Perfect Tunneling in Discrete Metamaterial Loaded Waveguides." Electronics 8, no. 1 (2019): 84. http://dx.doi.org/10.3390/electronics8010084.

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Mu-negative and epsilon-negative loaded waveguides taken on their own are nominally cut-off. In ideal circumstances, and when paired in the correct proportions, tunneling will occur. However, due to losses and constraints imposed by finite-sized constituent elements, the ability to experimentally demonstrate tunneling may be hindered. A tunnel identification method has been developed and demonstrated to reveal tunneling behavior that is otherwise obscured. Using ABCD (voltage-current transmission) matrix formulation, the S-parameters of the mu-negative/epsilon-negative loaded waveguide junctio

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8

KIM, JUN-HYONG, HOE-YOUNG YANG, and HYUN-YONG LEE. "FABRICATION OF MACH-ZEHNDER INTERFEROMETOR BASED ON PLANAR WAVEGUIDE FOR THE APPLICATION OF BIOSENSORS." International Journal of Modern Physics B 23, no. 06n07 (2009): 1891–96. http://dx.doi.org/10.1142/s0217979209061792.

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In this paper, designed and simulated Power Splitter (PS) integrated Mach-Zehnder interferometer (MZI) based planar waveguide devices (which is called here a PS-MZI). Moreover, we fabricated optical waveguide based on the PS-MZI for application to the biosensor. The integrated optical structure is sensitive to refractive index change induced due to the interaction of the evanescent field with an immobilized biological sample placed on one of the two arms of the interferometer. The PS-MZI sensor was preceded by a Y -junction, which splits the input power between the sensor and a reference branc

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Nazarov, S. A., K. Ruotsalainen, and P. Uusitalo. "The Y-junction of quantum waveguides." ZAMM - Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik 94, no. 6 (2013): 477–86. http://dx.doi.org/10.1002/zamm.201200255.

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Vu, Ngoc Hai, Thanh Tuan Pham, and Seoyong Shin. "Large Scale Spectral Splitting Concentrator Photovoltaic System Based on Double Flat Waveguides." Energies 13, no. 9 (2020): 2360. http://dx.doi.org/10.3390/en13092360.

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In this research, we present a novel design for a large scale spectral splitting concentrator photovoltaic system based on double flat waveguides. The sunlight concentrator consists of a Fresnel lens array and double waveguides. Sunlight is firstly concentrated by Fresnel lenses then reaches an upper flat waveguide (UFW). The dichroic mirror-coated prisms are positioned at each focused area to divide the sunlight spectrum into two bands. The mid-energy (mid E) band is reflected at the prism surface and coupled to the UFW. The GaInP/GaAs dual-junction solar cell is attached at the exit port of

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Dissertations / Theses on the topic "Junction of waveguides"

1

Chan, Kin Lung. "Modal analysis of elliptic waveguide junctions." Thesis, University of Hull, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.389728.

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Swee-Ping, Yeo. "Characteristics of the symmetrical five-port waveguide junction." Thesis, University College London (University of London), 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.431178.

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3

Kanellopoulos, Vassilios N. "Vectorial finite element analysis of E-plane waveguide junctions." Thesis, McGill University, 1987. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=64027.

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Froncioni, Andy M. "A new finite element method for analysis of H-plane waveguide junctions /." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=63937.

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5

Fritsch, Jean-François. "Propagation des ondes dans les guides partiellement enfouis : résolution du problème direct et imagerie par méthode de type échantillonnage." Electronic Thesis or Diss., Institut polytechnique de Paris, 2023. http://www.theses.fr/2023IPPAE001.

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Ce travail de thèse porte sur le contrôle non destructif de structures élancées partiellement enfouies ou immergées, par exemple un câble d'acier partiellement enfoui dans du béton ou une plaque d'acier partiellement immergée dans du sodium liquide. Ces structures peuvent être vues comme la jonction d'un guide fermé et d'un guide ouvert. Pour effectuer des calculs, nous avons tronqué transversalement la partie ouverte de la structure avec des PML finies. Un guide partiellement enfoui peut alors être traité comme la jonction de deux guides fermés, dont la propagation des ondes dans l'un des gui

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Tong, Cheuk-yu. "Développement d'un récepteur millimétrique à base d'une structure diélectrique incorporant une jonction supraconductrice." Grenoble 1, 1988. http://www.theses.fr/1988GRE10138.

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Un nouveau recepteur millimetrique a base d'une combinaison integree: guide d'onde dielectrique non-rayonnant (nrd) modifie, a ete concu et teste aux longueurs d'onde de trois et un millimetre le recepteur comporte une jonction sis (supraconducteur-isolant-supraconducteur) ainsi qu'une structure de couplage originale qui couple l'energie du guide nrd a la jonction

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Gérard, Philippe. "Méthode modale généralisée pour l'étude de dispositifs d'optique intégrée : application : filtre microondes par voie optique." Grenoble INPG, 1994. http://www.theses.fr/1994INPG0061.

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Nous proposons une technique numerique originale appelee rsm pour la propagation d'un champ optique dans une structure dielectrique planaire sans pertes et de forme arbitraire. C'est une technique entierement modale dont la base de decomposition des champs est constituee des modes propres locaux guides et rayonnes de la structure. Elle cumule les avantages des diverses bpm mais s'en distingue par le fait qu'elle peut traiter des geometries des guides qui presentent des forts changements de direction, des fortes discontinuites d'indice et des effets de polarisation. Nous demontrons les potentia

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8

Chang, Chun-Huai, and 張峻槐. "Coplanar Waveguide to Slotline T-junction." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/07432188199755276724.

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碩士<br>國立臺灣大學<br>電機工程研究所<br>84<br>A simple model is proposed for an analysis of the coplanar waveguide to slotline T-junction. By the quasi-TEM assumption, the original inhomogeneous slotline structure containing the dielectric substrate can be replaced by an equivalent homogeneous one. By regarding the strip current of the coplanar waveguide as the fed current of the slotline, one may obtain the governing integral equation for the aperture field over the slot region of slotline. The Hallen'

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DENG, SHENG-MING, and 鄧聖明. "Analysis of H-plane tee-junction rectangular waveguide slot coupler." Thesis, 1990. http://ndltd.ncl.edu.tw/handle/57952373253395561222.

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10

Cheng, Li-Chung, and 陳俐君. "A Study on Coplanar Waveguide Highpass Filter with T-Junction Structures." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/05359734964810854420.

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碩士<br>國立海洋大學<br>電機工程學系<br>86<br>Abstract In the design of highpass filter, the cutoff frequency, the insertion andreturn losses in the passband, and the attenuation slope in the stopband are important parameters to be considered. Moreover, the performances of filters can be improved if the planar structures are used. In this thesis, the conductor- backed coplanar waveguide structures are uesd to design the highpass filter with short circuit stubs and T-junction structu

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Books on the topic "Junction of waveguides"

1

Center, Langley Research, ed. Analysis of waveguide junction discontinuities using finite element method: Contract NAS1-19341. National Aeronautics and Space Administration, Langley Research Center, 1997.

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2

Helszajn, J. Waveguide junction circulators: Theory and practice. Wiley, 1998.

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3

1949-, Simons Rainee, and United States. National Aeronautics and Space Administration., eds. Channelized coplanar waveguide: Discontinuities, junctions, and propogation characteristics. National Aeronautics and Space Administration, 1989.

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4

N, Simons R., and Lewis Research Center, eds. Channelized coplanar waveguide pin-diode switches. Lewis Research Center, 1989.

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5

Law, P. H. A hybrid asymptotic-modal analysis of the EM scattering by an open-ended S-shaped rectangular waveguide cavity. Ohio State Uniersity, ElectroScience Laboratory, Dept. of Electrical Engineering, 1989.

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Law, P. H. A hybrid asymptotic-modal analysis of the EM scattering by an open-ended S-shaped rectangular waveguide cavity. Ohio State Uniersity, ElectroScience Laboratory, Dept. of Electrical Engineering, 1989.

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7

Negative Group Delay Devices: From Concepts to Applications. Institution of Engineering & Technology, 2018.

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Negative Group Delay Devices: From Concepts to Applications. Institution of Engineering & Technology, 2019.

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Book chapters on the topic "Junction of waveguides"

1

Nesterenko, Mikhail V., Victor A. Katrich, Yuriy M. Penkin, and Sergey L. Berdnik. "Stepped Junction of the Two Rectangular Waveguides with the Impedance Slotted Iris." In Analytical and Hybrid Methods in the Theory of Slot-Hole Coupling of Electrodynamic Volumes. Springer New York, 2008. http://dx.doi.org/10.1007/978-0-387-76362-0_6.

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2

Burns, W. K., and A. F. Milton. "Waveguide Transitions and Junctions." In Springer Series in Electronics and Photonics. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-97074-0_3.

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3

Burns, W. K., and A. F. Milton. "Waveguide Transitions and Junctions." In Springer Series in Electronics and Photonics. Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-75824-9_3.

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4

Eom, Hyo J. "Junctions in Parallel-Plate/Rectangular Waveguide." In Wave Scattering Theory. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-59487-8_5.

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5

Roukes, M. L., T. J. Thornton, A. Scherer, J. A. Simmons, B. P. Van der Gaag, and E. D. Beebe. "Electron Waveguide Junctions: Scattering from a Microfabrication-Imposed Potential." In Science and Engineering of One- and Zero-Dimensional Semiconductors. Springer US, 1990. http://dx.doi.org/10.1007/978-1-4684-5733-9_9.

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6

Nesterenko, Mikhail V., Victor A. Katrich, Yuriy M. Penkin, Sergey L. Berdnik, and Oleksandr M. Dumin. "T-Junctions of Rectangular Waveguides with Vibrator-Slot Structures in Coupling Areas." In Lecture Notes in Electrical Engineering. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60177-5_5.

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Tsuru, Koji, Kazunori Miyahara, and Minoru Suzuki. "Millimeter wave response of Josephson junction arrays using a waveguide to microstrip line converter." In Advances in Superconductivity VIII. Springer Japan, 1996. http://dx.doi.org/10.1007/978-4-431-66871-8_264.

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8

Olyslager, Frank. "Fields Incident On Bitransmission Lines." In Electromagnetic Waveguides and Transmission Lines. Oxford University PressOxford, 1999. http://dx.doi.org/10.1093/oso/9780198564508.003.0007.

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Abstract In this chapter, the results of the previous chapter are generalized to general bianisotropic waveguides and junctions. The main difference is that for nonreciprocal waveguides and junctions the ad joint structures are also needed in order to apply the Lorentz reciprocity theorem. It will, however, suffice to know the eigenmodes that propagate in the ad joint waveguide and to know the fields generated in ad joint junctions by incident eigenmodes from adjoint waveguides connected to these junctions. The representation of incident fields by voltage and current sources in the reciprocity

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Olyslager, Frank. "Fields Incident On Transmission Lines." In Electromagnetic Waveguides and Transmission Lines. Oxford University PressOxford, 1999. http://dx.doi.org/10.1093/oso/9780198564508.003.0006.

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Abstract The previous chapters have investigated the propagation of eigenmodes in wave guides and their transmission line representation without considering the excitation of these eigenmodes.45 In this chapter, the excitation of eigenmodes will be studied in detail. The analysis starts with the determination of the eigenmodes excited in a waveguide by external electric and magnetic current densities. This is a generic excitation problem that can be used in many practical situations. The fields generated by these sources will also illuminate junctions of waveguides. This will result in the exc

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Levy, Ralph. "Waveguide Junctions." In Encyclopedia of RF and Microwave Engineering. John Wiley & Sons, Inc., 2005. http://dx.doi.org/10.1002/0471654507.eme489.

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Conference papers on the topic "Junction of waveguides"

1

Singh, Manuj, Xinchang Zhang, Deniz Onural, et al. "RF-optical signal conversion via Dual Active-Cavity modulator in a Monolithic Electronic-Photonic SOI Platform." In Frontiers in Optics. Optica Publishing Group, 2024. https://doi.org/10.1364/fio.2024.fth1d.4.

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We demonstrate a Dual Active-Cavity RF modulator combining T-shaped spoked junction with a novel “half-rib” waveguide in a monolithic electronic-photonic platform. We measure a sideband efficiency of -52 dB at 66 GHz RF carrier frequency.

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2

Kamiura, Y., R. Doi, K. Soeda, et al. "5-mW 300-GHz-band THz-wave generator consisting of two SiC-based photomixers and power combiner." In Optical Fiber Communication Conference. Optica Publishing Group, 2025. https://doi.org/10.1364/ofc.2025.m2k.5.

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A high-power UTC-PD on a SiC substrate has achieved 5 mW output power and 87 GHz bandwidth in the 300-GHz band. This breakthrough was accomplished using a compact WR-3.4 waveguide module and Y-junction power combiner.

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3

Deng, Jau-Jan, and Yang-Tung Huang. "A Novel Hybrid Coupler Based on Antiresonant Reflecting Optical Waveguides." In The European Conference on Lasers and Electro-Optics. Optica Publishing Group, 1996. http://dx.doi.org/10.1364/cleo_europe.1996.cthi44.

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The beam splitter and the beam combiner are key elements for optical communications, and the optical-waveguide hybrid coupler has been proposed for these functions by Izutsu, et al. [1]. This conventional waveguide hybrid coupler consists of symmetric and nonsymmetric Y-junctions connected directly. In each Y-junction, there are two types of normal modes, even and odd modes, traveling along the propagation direction. For the input symmetric Y-junction, the amplitudes of the field for both modes in two individual waveguides are the same; in the output nonsymmetric Y-junction, the fields of the

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4

Subramanian, P., P. K. A. Wai, C. R. Menyuk, and R. J. Hawkins. "Effect of junction rounding on the propagation characteristics of Y-junction waveguides." In OSA Annual Meeting. Optica Publishing Group, 1991. http://dx.doi.org/10.1364/oam.1991.tuii1.

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The beam propagation method1 is used to stimulate the propagation of light through Y junctions. Such structures have been extensively studied in the past, but the effect of junction rounding on the propagation characteristics has not been considered before. For photolithographically patterned, dry etched Y junctions, junction rounding usually leads to the branching point of the junction being 1–20 μm away from the position where it would have been if it were sharp. This work describes the effect of junction rounding on the propagation characteristics of symmetric and asymmetric Y junctions. Th

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5

Kapon, Eli, and R. N. Thurston. "Multimode branching waveguides for guided-wave optics." In OSA Annual Meeting. Optica Publishing Group, 1987. http://dx.doi.org/10.1364/oam.1987.mb4.

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Waveguide junctions are important for performing splitting and recombining of optical signals for guided-wave optics applications.1 We describe a new class of multichannel waveguide junction which is useful for a variety of guided-wave manipulations. These junctions consist of an m-mode channel waveguide that branches into m single-mode channels, each having a different refractive-index profile. It is shown that each mode of these junctions becomes localized in a different single-mode channel as the channel separation increases. Thus, for sufficiently small branching angles, the junctions can

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Chi, Sien, and Tian-Tsorng Shi. "TE waves propagating in a nonlinear planar asymmetric converging waveguide Y junction." In Nonlinear Guided-Wave Phenomena. Optica Publishing Group, 1991. http://dx.doi.org/10.1364/nlgwp.1991.me4.

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Recently nonlinear waveguide junctions have been investigated intensively for their interesting switching behaviors1,2. The waves propagating in a nonlinear converging waveguide Y junction in which the two branches and the stem are single mode waveguides are less reported. For a linear case, the field injected into the thinner branch at a distance from the junction will not evolve into the fundamental mode of the stem, and the field injected into the thicker branch will propagate without loss3. Here we simulate the waves propagating in the Y junction with a nonlinear cladding by using beam pro

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7

Chu, F. S., P. L. Liu, S. L. Jia, and P. J. Cressman. "Simulation and experimental study of Ti:LiNbO3 waveguides." In OSA Annual Meeting. Optica Publishing Group, 1990. http://dx.doi.org/10.1364/oam.1990.thy27.

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A waveguide-simulation program based on the beam-propagation method has been used to study Ti-indiffused LiNbO3 waveguide structures. By modifying the double-moded branching structure of the conventional Y-junction design, the loss of the branching structure can be substantially reduced. For a 1° half-branching angle, the loss can be lowered from –1.2 dB to 0.2 dB. Experimental data confirm that the modified design indeed has a lower loss. In addition to the branching structure, waveguide bends are also needed to complete a Y-junction. Low-loss coherent coupling bends are simulated and measure

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8

Vawter, G. Allen, James L. Merz, and Larry A. Coldren. "Monolithically Integrated Transverse Junction Stripe Lasers with Rib Waveguides in GaAs/AlGaAs." In Integrated and Guided Wave Optics. Optica Publishing Group, 1988. http://dx.doi.org/10.1364/igwo.1988.wb4.

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Complete integration of optical laser sources and waveguides with electronics on a single semiconductor wafer has been a long sought after and elusive goal. Future development of optoelectronic integrated circuits (OEICs) hinges on the development of monolithically integrated laser/waveguide systems with low threshold currents and high injection efficiency into the passive waveguide. This paper reports progress in developing just such a high efficiency Transverse Junction Stripe1 (TJS) laser source integrated with an external passive waveguide suitable for optical interconnection applications.

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9

Carle, Pierluigi. "Right-Angle Junction for Rectangular Waveguides." In 21st European Microwave Conference, 1991. IEEE, 1991. http://dx.doi.org/10.1109/euma.1991.336385.

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10

Constantinou, Constantinos C., and Raymund C. Jones. "Tapered graded-index waveguide analysis using path integrals." In OSA Annual Meeting. Optica Publishing Group, 1990. http://dx.doi.org/10.1364/oam.1990.thpp6.

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In many fiber and integrated optical devices one needs either to connect two waveguides of different cross-sections, or to join several waveguides at a single junction. A knowledge of the coupling efficiencies of such a junction is clearly important and depends on our understanding of propagation in tapered waveguide sections. We consider paraxial propagation in the z-direction in a graded index waveguide whose refractive index is given by By suitably choosing the function c(z) we can describe tapers with linear, hyperbolic or parabolic geometries in the xz plane. We have used the Feynman Path

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Reports on the topic "Junction of waveguides"

1

Tau, Cyrus N. Waveguide Junction Analysis Involving Asymmetrical Modes. Defense Technical Information Center, 1986. http://dx.doi.org/10.21236/ada178464.

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