Chirped-grating spectrometer-on-a-chip

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... WebA transversely chirped grating is fabricated, in a single-step optical lithography process, on a portion of the waveguide to provide angle and wavelength dependent coupling to the …

Chirped-grating spectrometer-on-a-chip (Journal Article)

WebDec 15, 2008 · A strongly coupled, chirped Bragg grating made by sinusoidally modulating the sidewalls of a silicon waveguide is designed, fabricated, and experimentally … WebJun 27, 2024 · An integrable on-chip spectrometer, based on a transversely-chirped-grating waveguide-coupler for the 400- to 700-nm visible spectral range is … graph f x 5x https://pixelmv.com

Ultracompact Lens‐Less “Spectrometer in Fiber” Based on Chirped ...

WebApr 5, 2024 · a Illustration of the plasmonic chirped grating being used as an on-chip spectrometer. b SEM images of the plasmonic grating fabricated on a thin Ag film via … WebMay 11, 2024 · In this manuscript, we propose and demonstrate experimentally a chip-scale single-shot spectrometer using stratified waveguides filters (SWF) on a silicon platform … 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 … chips shop.rakuten.co.jp

[PDF] Ultrahigh-resolution on-chip spectrometer with silicon …

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Chirped-grating spectrometer-on-a-chip

Ultrahigh-resolution on-chip spectrometer with silicon photonic ...

WebWe demonstrate an on-chip spectrometer readily integrable with CMOS electronics. The structure is comprised of a SiO2/Si3N4/SiO2 waveguide atop a silicon substrate. A … WebNov 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 …

Chirped-grating spectrometer-on-a-chip

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WebOct 28, 2024 · This paper reviews fiber Bragg grating sensing technology with respect to its use in mainstream industrial process applications. A review of the various types of sensors that have been developed for industries such as power generation, water treatment and services, mining, and the oil and gas sector has been performed. A market overview is … WebOct 1, 2024 · Chirping of the grating period further provides spectral focusing. The combined spectral and azimuthal focusing permits lens‐less recording of bright and high‐resolution spectra spanning across...

WebJul 26, 2024 · Spectroscopy C-MOS ABSTRACT Image sensors used in consumer cameras only detect intensity of light. Spectral, angular, and phase information of incident light is largely lost. For conventional applications like photography, the intensity information with three color bands (RGB) is sufficient. WebState of the art longest on-chip integrated chirped Bragg grating! Editor’s pick in APL Photonics.

WebAug 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 … WebWe demonstrate an on-chip spectrometer readily integrable with CMOS electronics. The structure is comprised of a SiO2/Si3N4/SiO2 waveguide atop a silicon substrate. A transversely chirped grating is fabricated, in a single-step optical lithography process, on a portion of the waveguide to provide angle and wavelength dependent coupling to the …

WebAug 10, 2005 · Chirped holographic grating used as the dispersive element in an optical spectrometer Full Record Related Research Abstract We have developed a new design …

WebNov 19, 2024 · A chirped grating is fabricated, in a single-step lithography process, on a portion of the waveguide to provide angle and wavelength dependent coupling to the … graph f x f -xWebJul 20, 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 … chips shelvesWebAug 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 … graph f x 3/4x-2graph f x 8* 1/2 xWebApr 8, 2024 · 该等离子体“彩虹”芯片由在金属薄膜上制备的一维或二维渐变光栅组成。 通过使用普通相机拍摄的单幅图像和深度神经网络,这种基于图像的小型化系统可以精确地确定照明光源的光谱和偏振信息。 图1 用于智能片上光谱仪的plasmonic chirped grating示意图 研究成果以“Imaging-based intelligent spectrometer on a plasmonic “rainbow” chip”为题发 … graph f x 4xWebNov 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 … graph f x 5x 3WebJul 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 … graph f x 5