Chirped-grating spectrometer-on-a-chip
WebJun 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 … 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 …
Chirped-grating spectrometer-on-a-chip
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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 … 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 … 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 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 … WebA compact spectrometer on silicon is proposed and demonstrated with an ultrahigh resolution. It consists of a thermally-tunable ultra-high-Q resonator aiming at ultrahigh resolution and an array of wideband resonators for achieving a broadened working window. The present on-chip spectrometer has a footprint as compact as 0.35 mm 2 , and is …
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 …
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 … grassseeds.com reviewsWebMay 28, 2024 · Single chip integrated spectrometers are critical to bring chemical and biological sensing, spectroscopy, and spectral imaging into robust, compact and cost … grass seed per square metreWebSep 10, 2024 · The spectrometer integrates an on-chip dispersive echelle grating with a single-element propagating superconducting nanowire detector of ultraslow-velocity for mapping the dispersed photons... chloe coffee tableWebA 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 … grass seed planting toolWebJul 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 … grass seed portland oregonWebAug 1, 2024 · This website requires cookies, and the limited processing of your personal data in order to function. By using the site you are agreeing to this as outlined in our … chloe cole and matt walshWebContinuously-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 ... grass seed rate chart