Chirped-grating spectrometer-on-a-chip
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 … 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 …
Chirped-grating spectrometer-on-a-chip
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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 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 …
WebMay 28, 2024 · Single chip integrated spectrometers are critical to bring chemical and biological sensing, spectroscopy, and spectral imaging into robust, compact and cost … 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...
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 … 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.
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 …
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 … china storage cabinet. outdoorsWebAug 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 … grammys 2023 red carpet where to watchWebJul 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 … grammys 2023 rap song of the yearWebJun 25, 2024 · Blazed gratings are the critical dispersion elements in spectral analysis instruments, whose performance depends on structural parameters and topography of the grating groove. In this paper, high diffraction efficiency silicon-blazed grating working at 800–2500 nm has been designed and fabricated. By diffraction theory analysis and … china storage cabinet waterproofWebJun 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 … china storage containers targetWebSep 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 … china storage cabinet waterproof manufacturerWebApr 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 … grammys 2023 red carpet looks