Subwavelength grating coupler

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August undefined, 2024

Web21 Nov 2016 · We present a methodology to design broadband grating couplers using one-dimensional subwavelength gratings. Using the presented method, we design subwavelength grating couplers (SWGCs) with 1-dB bandwidths ranging from 50 to 90 nm. Our designed SWGCs have competitive coupling efficiency, as high as −3.8 dB for the … WebUsing the presented method, we design subwavelength grating couplers (SWGCs) with 1-dB bandwidths ranging from 50 to 90 nm. Our designed SWGCs have competitive coupling …

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Web28 May 2024 · We presented a novel design of a microring resonator based on a subwavelength grating (SWG) double-slot waveguide (WG) due to its enhanced sensitivity. The paper is divided into two parts. ... Wallner T, Fahrenkopf N M and Coolbaugh D D 2024 High positional freedom SOI subwavelength grating coupler (SWG) for 300 mm foundry … WebWe present a broadband integrated photonic polarization splitter and rotator (PSR) using adiabatically tapered coupled waveguides with subwavelength grating (SWG) claddings. The PSR adiabatically rotates and splits the fundamental transverse-magnetic (TM0) input to the fundamental transverse-electric (TE0) mode in the coupler waveguide, while passing the … redox biology of the intestine

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Web5 Nov 2024 · We demonstrate a one-dimensional grating coupler in silicon nitride with a 67-nm 1-dB bandwidth, the largest reported for a grating coupler butt-coupled to standard … Webefficiency fiber-to-chip surface grating couplers [10-12]. Fig. 1. (a) Schematic of SWG waveguide in SOI, (b) waveguide cross-section, and (c) SWG taper used to couple light from a conventional strip waveguide (or nanowire waveguide) to the SWG waveguide. J. Wang was with the Department of Electrical and Computer Engineering, Web22 Mar 2024 · Recently, utilization of subwavelength grating structure (SWG) has shown a great convenience in grating coupler design. The ability of sub-wavelength patterned structures to engineer the equivalent refractive indices between n Si ~ 3.5 and n air = 1 has thus enabled new design approaches that have led to silicon waveguide devices with … red ox cafe ham lake closing

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Grating couplers beyond silicon TPA wavelengths based on MPW

WebFirst implementations of subwavelength gratings (SWGs) in silicon-on-insulator (SOI) waveguides are discussed and demonstrated by experiment and simulations. The subwavelength effect is exploited for making antireflective and highly reflective waveguide facets as well as efficient fiber-chip coupling structures. We demonstrate experimentally … WebAn on-chip silicon dual-mode multiplexer (MUX) is proposed via a subwavelength grating (SWG)-based directional coupler and a mode blocker. ... Benefiting from the triple SWG coupler, the mode-coupling strength can be significantly enhanced inside the proposed mode MUX, which can achieve a compact coupling length of 8.75 m, a low insertion loss ... red ox cafe mnWebHighly Sensitive Refractive Index-Based Sensor for DNA Hybridization Using Subwavelength Grating Waveguide IETE Technical Review 13 de enero de 2024 ... Parametric optimization of fiber to waveguide coupler using Bragg gratings ... Optical Biosensor Based on Guided Mode Grating Coupler Frontiers in Optics 18 de enero de 2024 Ver publicación. richest king in e world history

"Web021-34204629. 理科楼2号楼416室. [email protected]. 个人经历. 代表性论文著作. 郑君，2006年博士毕业于中科院物理研究所。. 之后，在日本大阪大学激光工程研究所（ILE）完成2年的博士后工作。. 2008年入职于上海交通大学物理与天文学院。. 研究内容包括数值模拟 … " - Subwavelength grating coupler

Subwavelength grating coupler

WebDiffraction by a subwavelength-sized aperture in a metal plane ... Optical Coupler, and Optical Coupling System and Optical System Including the Same ... high-power and narrow linewidth distributed feedback laser. A backside-etched sampled Bragg grating has… In this work, we have demonstrated a low-k, high-power and narrow linewidth ... WebWe introduce a device based on subwavelength resonant grating technology. Using a single lithography step we built a reflective binary grating that mimics the functionality of a blazed diffraction grating in a flat geometry. We have also demonstrated that efficient subwavelength resonant devices for visible wavelengths can be built using silicon.

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Web1 Jun 2024 · By adding a backside metal reflector, a subwavelength engineered grating coupler was demonstrated with a measured coupling loss of 0.69 dB and a 3-dB bandwidth of 60 nm . Conventional grating couplers usually exhibit limited operation bandwidths. Websubwavelength grating (SWG) waveguide as a bridge is proposed and investigated on a 340-nm silicon-on-insulator platform. The PBS is designed with a triple-waveguide directional coupler consisting of two identical silicon waveguides and an SWG waveguide sandwiched between them. The tailorable dispersion relation of the

Web29 Apr 2015 · We experimentally demonstrate apodized focusing subwavelength grating couplers for both the fundamental transverse electric ( ) mode and the fundamental … Web开馆时间：周一至周日7:00-22:30 周五 7:00-12:00; 我的图书馆

Webwaveguide coupler incorporating subwavelength gratings. (c) Subwavelength grating. II. R ESULTS A. Structure and Operating Principle The schematic structure of the proposed silicon four-mode (De)MUX is shown in Fig. 1(a), consisting of three SWG-assisted TWCs connected by three linear tapers. The fundamental TE modes are launched from ports I 0 ... Web服务热线： 4008-161-200 800-990-8900. 国家科技图书文献中心. © Copyright(C)2008 NSTL.All Rights Reserved 版权所有

WebA superlens, or super lens, is a lens which uses metamaterials to go beyond the diffraction limit. For example, in 1995, Guerra [1] combined a transparent grating having 50nm lines and spaces (the "metamaterial") with a conventional microscope immersion objective. The resulting "superlens" resolved a silicon sample also having 50nm lines and ...

WebExperimental evidence of phase resonances in a dual-period reflection structure comprising three subwavelength grooves in each period is provided in the millimeter-wave regime. … redox chartWebA subwavelength grating coupler with dual-hole structures is used to reduce the influence of the random fabrication variations on the grating effective refractive index. Fabrication … richest king in history of worldWebBecause of the high index contrast, current silicon photonics based optical phased arrays cannot achieve small beam divergence and large field-of-view simultaneously without increasing fabrication complexity. To resolve the dilemma, we propose an ultra-long waveguide grating antenna formed by placing subwavelength segments within the … redox chemical companyWebFei FAN, Professor Cited by 2,616 of Nankai University, Tianjin (NKU) Read 173 publications Contact Fei FAN richest king of all timeWebSubwavelength-grating-based polysilicon waveguide filter in bulk CMOS: 洪勇智 (演講),(研討會) 台積電專題演講: Silicon photonics prospects and research works at NSYSU: 洪勇智 (演講),(研討會) 太空探索技術研討會: Monolithic optical driver chip for interferometric optical gyroscopes: 洪勇智 (演講),(研討會) redox chainWebAmong current grating techniques, subwavelength grating (SWG) couplers have attracted great attention with the merits of flexible refractive index (RI) tailoring, simple fabrication … redox chemreviseWeb1 Apr 2024 · In summary, we propose a silicon-based asymmetric directional coupler (ADC) assisted by subwavelength (SWG) anisotropic metamaterial (AM) working around the … richest king of india