Zobrazeno 1 - 10
of 25 946
pro vyhledávání: '"Optical switch"'
Demultiplexing-free ultra-compact WDM-compatible multimode optical switch assisted by mode exchanger
Publikováno v:
Nanophotonics, Vol 13, Iss 20, Pp 3855-3866 (2024)
Silicon-based optical switches are integral to on-chip optical interconnects, and mode-division multiplexing (MDM) technology has enabled modes to function as carriers in routing, further boosting optical switches’ link capacity. However, tradition
Externí odkaz:
https://doaj.org/article/f50b528365a747ec807bb61b441ada76
Nonlinear optical response of strain-mediated gallium arsenide microwire in the near-infrared region
Autor:
Cui Xiangpeng, Huo Wenjun, Qiu Linlu, Zhao Likang, Wang Junjie, Lou Fei, Zhang Shuaiyi, Khayrudinov Vladislav, Tam Wing Yim, Lipsanen Harri, Yang He, Wang Xia
Publikováno v:
Nanophotonics, Vol 13, Iss 13, Pp 2379-2389 (2024)
Gallium arsenide (GaAs) semiconductor wires have emerged as potent candidates for nonlinear optical devices, necessitating bandgap engineering for an expanded operational wavelength range. We report the successful growth of strain-mediated GaAs micro
Externí odkaz:
https://doaj.org/article/e20b4c7c74094feaa0d800df668d16de
Autor:
Hayder Maki Hamodi, Raad Sami Fyath
Publikováno v:
مجلة النهرين للعلوم الهندسية, Vol 27, Iss 2 (2024)
A high-performance Mach-Zehnder interferometer (MZI) based all-optical switch using graphene on silicon nitride (Si3N4) is proposed and simulated. Graphene absorbs pump power (λ = 980 nm) on Si3N4 waveguide, generating heat. The heat affects the Si3
Externí odkaz:
https://doaj.org/article/79376804f0474646a788885831d061ee
Publikováno v:
Sensing and Bio-Sensing Research, Vol 45, Iss , Pp 100681- (2024)
A deep gold-coated sinusoidal grating is proposed as a transducer for label-free real-time biosensing, operating in a new configuration based on the optical switch effect, which produces complementary optical outputs enabling differential and referen
Externí odkaz:
https://doaj.org/article/7823967575754464908dfb1dc3db183d
Autor:
Tohid Kalantari, Mahdi Zavvari
Publikováno v:
مهندسی مخابرات جنوب, Vol 11, Iss 43, Pp 49-56 (2024)
In this paper, a novel plasmonic optical switch based on graphene is designed and simulated with better features and four channels. Each of these channels has an equal width of 20nm which constructed from graphene ribbons spaced at a distance of 30nm
Externí odkaz:
https://doaj.org/article/91a8f605bc60485d9691b22d265647ba
Publikováno v:
Photonics, Vol 11, Iss 8, p 738 (2024)
We propose and experimentally demonstrate an efficient on-chip thermo-optic (TO) switch based on a photonic crystal nanobeam cavity (PCNC) and a hydrogen-doped indium oxide (IHO) microheater. The small mode volume of the PCNC and the close-range heat
Externí odkaz:
https://doaj.org/article/673d7c417e8a41ef9d90b35bc42c0e6c
Publikováno v:
Photonics, Vol 11, Iss 7, p 611 (2024)
We propose and demonstrate an integrated optical switch that leverages an optical phased array (OPA) and an on-chip metalens, highlighting its potential for efficient and scalable beam switching across multiple ports within a compact footprint. The d
Externí odkaz:
https://doaj.org/article/a34f0ead1da347c48709a51fb334e3d2
Autor:
Shengyuan Zhang, Yuexin Yin, Zihao Wang, Yafan Li, Yuan Zhang, Mengke Yao, Daming Zhang, Ye Li
Publikováno v:
Photonics, Vol 11, Iss 6, p 547 (2024)
A variable optical attenuator (VOA) is a crucial component for optical communication, especially for a variable multiplexer (VMUX) and reconfigurable optical add-drop multiplexer (ROADM). With the capacity increasing dramatically, a large-port-count
Externí odkaz:
https://doaj.org/article/d978588cebac46c8aed87578e56b8b4c
Autor:
Olga A. Denisova
Publikováno v:
Нанотехнологии в строительстве, Vol 15, Iss 3, Pp 274-284 (2023)
ABSTRACT: Introduction. The use of liquid crystals is attractive for solving technical problems when creating a new generation of monitors, pressure sensors, seismic activity, determining the level of dry or liquid media, indicators of the concentrat
Externí odkaz:
https://doaj.org/article/5a415ccf21934423a24e3a8b4a14b1db
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 3, Pp 1-6 (2023)
We demonstrate an FPGA-based controller for Si MZI-based Spanke-Benes 4 × 4 optical switch fabric that can automatically calibrate each individual switching cell and select the desired routing configuration. In order to minimize the power consumptio
Externí odkaz:
https://doaj.org/article/93d596b44d954e74adbf8b363b8e1499