IEEE Photonics Journal, 2017 We propose a horizontal directional coupler formed with two parallel waveguides of different heights. By breaking the symmetry in both the horizontal and the vertical direction, this directional coupler can be designed to allow us coupling between any ...
Wei Ke Zhao +3 more
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Complete polarization control for a nanofiber waveguide using directional coupling [PDF]
, 2019 Optical nanofiber waveguides are widely used for near-field delivery and measurement of light. Despite their versatility and efficiency, nanofibers have a critical drawback - their inability to maintain light's polarization state on propagation. Here, we
Chormaic, Síle Nic +3 more
core +3 more sources
Ultra-Broadband Directional Couplers Using Microstrip with Dielectric Overlay in Millimeter-Wave Band [PDF]
, 2011 Nowadays, millimeter-wave systems are being a key factor to develop wide band applications. In this paper, a directional coupler in millimeter-wave band using dielectric overlay is presented.
Almorox González, Pablo +3 more
core +2 more sources
All-optical switching using a new photonic crystal directional coupler
Advanced Electromagnetics, 2015 In this paper all-optical switching in a new photonic crystal directional coupler is performed. The structure of the switch consists of a directional coupler and a separate path for a control signal called “control waveguide”.
B. Vakili +2 more
doaj +1 more source
Nonlinear directional coupler for polychromatic light [PDF]
, 2006 We demonstrate that nonlinear directional coupler with special bending of waveguide axes can be used for all-optical switching of polychromatic light with very broad spectrum covering all visible region. The bandwidth of suggested device is enhanced five
Andrey A. Sukhorukov +19 more
core +4 more sources
Investigation on Strong Coupling Behaviors of THz Subwavelength Directional Couplers
IEEE Photonics Journal, 2012 To achieve strong coupling, conventional fiber-based directional couplers often require complicated fabrication. Here, by placing two identical THz subwavelength fibers parallel to each other and by simply tuning the separation in between, we investigate
Tzu-Fang Tseng +5 more
doaj +1 more source
Studi Awal Fabrikasi Dan Karakterisasi Directional Coupler Konfigurasi 4x4 Berbahan Serat Optik Plastik Step Index Multimode Tipe FD-620-10 Menggunakan Metode Heating and Pressing [PDF]
, 2017 Fabrikasi directional coupler singlemode maupun multimode berbentuk pandu gelombang slab masih sangat sulit dilakukan dan membutuhkan peralatan yang rumit. Untuk mengatasi kendala tersebut telah dilakukan fabrikasi directional coupler dengan metode Fused
Nuraini, E. (Elis) +1 more
core +1 more source
A design of terahertz waveguide directional coupler with double "tian-shape"
Dianzi Jishu Yingyong, 2018 The terahertz waveguide directional coupler with double "tian-shape" is designed basing on the directional coupling principle of branch line. A transverse line is added across the three branch lines to form a "tian-shape " structure.
Wang Ying +3 more
doaj +1 more source
Designing a Downsized Quadrature Directional Coupler
Telfor Journal, 2021 To miniaturize directional couplers, the replacement of their quarter-wave sections with electrodynamic structures with equivalent characteristics at smaller physical dimensions is used.
D. A. Letavin
doaj +1 more source
PhC-based Majority Gate using a nonlinear directional coupler [PDF]
Journal of Optoelectronical Nanostructures, 2021 Wide bandwidth and high data transfer rates are essentialadvantages of optical telecommunication networks. Fullexploitation of the benefits of optical communicationsrequires a fully optical network. All-optical circuits areone of the main alternatives to
Reyhaneh Rigi +2 more
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