Chirped-grating spectrometer-on-a-chip
WebNov 16, 2024 · We present a novel spectral imaging technique based on nondegenerate two-photon absorption of temporally chirped optical MIR pulses. This approach avoids complex image processing or … WebJan 1, 2024 · We experimentally demonstrate a spectrometer, which consists of an arrayed waveguide grating (AWG), tunable microring resonator (MRR) array, and waveguide-coupled Ge-on-Si photodetector, all...
Chirped-grating spectrometer-on-a-chip
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WebJun 14, 2024 · An integrable on-chip spectrometer, based on a transversely-chirped-grating waveguide-coupler for the 400- to 700-nm visible spectral range is … WebJul 25, 2024 · The present on-chip spectrometer has a footprint as compact as 0.35 mm 2, and is realized with standard multi-project-wafer foundry processes. The measurement …
WebSep 29, 2024 · The design of the chirped grating was aimed at forming a sharply resolved spectral line (F) at a design distance of D = 8.8 mm from fiber cladding, as shown in … WebAug 17, 2024 · Chirped-grating spectrometer-on-a-chip. Shima Nezhadbadeh, A. Neumann, +1 author S. Brueck Published 17 August 2024 Physics Optics express We …
WebApr 10, 2024 · Schematics of the contra-directionally coupled chirped Bragg grating waveguide are shown in Fig. 1.Conventional structure, as shown in Fig. 1a, consists of two tapered strip waveguides with widths ranging from w 1 and w 2 to w 1 + Δw and w 2 + Δw, respectively.Bragg gratings with a period Λ, duty of 50%, and width w a are introduced … WebAug 17, 2024 · A transversely chirped grating is fabricated, in a single-step optical lithography process, on a portion of the waveguide to provide angle and wavelength …
WebApr 10, 2024 · DOI: 10.1007/s12200-023-00061-8 Corpus ID: 258042807; Integrated contra-directionally coupled chirped Bragg grating waveguide with a linear group delay spectrum @article{Gao2024IntegratedCC, title={Integrated contra-directionally coupled chirped Bragg grating waveguide with a linear group delay spectrum}, author={Xudong Gao and …
WebApr 11, 2024 · On-chip light sources are an essential component of scalable photonic integrated circuits (PICs), and coupling between light sources and waveguides has attracted a great deal of attention. Photonic waveguides based on bound states in the continuum (BICs) allow optical confinement in a low-refractive-index waveguide on a high-refractive … on the same night he was betrayedWebAug 4, 2024 · An integrable on-chip spectrometer, based on a transversely-chirped-grating waveguide-coupler for the 400- to 700-nm visible spectral range is demonstrated. For a … on the same note 意味WebJul 5, 2024 · A chirped grating acceleration structure was proposed to enhance the interaction length 23, where a phase shift is introduced onto the electric field, allowing the electron to avoid the... on the same page antonymsWebContinuously-chirped guided mode resonance filters for on-chip spectroscopy: 洪勇智 (演講),(研討會) 矽基光子與光偵測技術工作坊: Subwavelength-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 ... ios 16 features for iphone 12WebState of the art longest on-chip integrated chirped Bragg grating! Editor’s pick in APL Photonics. on the same page acronymWebDec 15, 2008 · A strongly coupled, chirped Bragg grating made by sinusoidally modulating the sidewalls of a silicon waveguide is designed, fabricated, and experimentally … on the same order of magnitudeWebNov 14, 2024 · Fall 11-14-2024 Abstract In this dissertation we demonstrate a new structure based on waveguide coupling atop a silicon wafer using a chirped grating to provide the … on the same page consulting