Germanium photodetector
WebAug 27, 2024 · We demonstrate a 67 GHz bandwidth silicon-contacted germanium waveguide p-i-n photodetector operating at -1 V with 6.8 fF capacitance. The dark current is below 4 nA. The responsivity is 0.74 A/W ... WebGermanium detectors are semiconductor diodes having a p-i-n structure in which the intrinsic (i) region is sensitive to ionizing radiation, particularly x rays and gamma rays. …
Germanium photodetector
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WebApr 14, 2024 · Photocurrent generation is achieved through phonon-assisted absorption in a silicon microring resonator embedded with silicon-germanium, resulting in a responsivity … WebJun 29, 2008 · A typical germanium-on-silicon waveguide photodetector fabricated by this process is shown in Figure 1. Infrared light is brought to the device input by a silicon-on …
WebFeb 22, 2024 · Herein, we study 2D periodic Ge metasurfaces that support optically induced electric dipole and magnetic dipole lattice resonances. By overlapping Mie resonances and electric dipole lattice resonances, we realize the resonant lattice Kerker effect and achieve narrowband absorption. This effect was applied to the photodetector demonstrated in ... WebJun 7, 2024 · The metal/germanium (Ge) Schottky junction photodetector has attracted more and more attention in the field of on-chip optoelectronics such as optical communications and image sensors, especially because of the high carrier mobility and absorption coefficient of Ge at near-infrared wavelengths, but also because its process is …
WebMay 29, 2024 · Activation energy for (b) the high TDD Ge photodetector and (c) the low TDD Ge photodetector as a function of voltage of −0.1 to −3.0 V in the temperature … WebSep 1, 2024 · Here, we propose a waveguide-integrated germanium plasmonic photodetector operating simultaneously at bandwidth exceeding 100 GHz and responsivity above 1 A/W. The proposed photodetector...
WebJun 3, 2016 · We present a dark current analysis in waveguide-coupled germanium vertical p-i-n photodetectors. In the analysis, a surface leakage current and a bulk leakage current were separated, and their activation energies were extracted. The surface leakage current originating from the minority carrier generation on the Ge layer sidewalls, …
WebSep 16, 2013 · With the application of a slight bias, the detector could get up to 100 milliamps per watt, a responsivity commensurate with that of germanium. Englund is confident that better engineering — thinner electrodes, or a narrower waveguide — could yield a photodetector whose responsivity is even higher. “It’s a matter of engineering,” … black cat yellow eyes artWebInGaAs and Germanium Infrared Photodetectors for wavelengths from 400 nm to 2600 nm Start a Conversation Explore our Featured products FREE-SPACE ALIGNMENT InGaAs Quadrant Photodiodes Expand Your Detection Range Two-Color Detectors OUR LARGEST InGaAs GAP10000 InGaAs Photodiode with 1 cm Diameter Active Region DATA SHEET … black cat yellow eyes breedWebMar 31, 2024 · Germanium Photodetector With Alleviated Space-Charge Effect Abstract: The high-speed and high-power germanium photodetector (Ge PD) is highly desired … black cat yellow eyes t-shirtWebgermanium (Ge): high dark current, slow speed due to large parasitic capacity, good sensitivity between roughly 900 and 1600 nm (best around 1400–1500 nm) indium gallium arsenide phosphide (InGaAsP): expensive, low dark current, high speed, good sensitivity roughly between 1000 and 1350 nm (best around 1100–1300 nm) black cat yellow eyesWebWe report a metal-Ge-metal photodetector fabricated on a Ge epitaxial layer grown on Si (100) substrate. Amorphous Ge was used to increase the Schottky barrier height, which resulted in a reduction of the dark current by more than two orders of magnitude. ... Metal-germanium-metal photodetectors amorphous Ge Schottky barrier enhancement layers ... black cat yoga highland park scheduleWebSep 15, 2024 · Advanced Materials Technologies In this work, a viable method is demonstrated to realize high‐performance germanium (Ge) photodetectors (PDs) on the nanostructured Ge surface, namely black Ge, formed by chlorine (Cl2) gas‐based reactive ion etching at room temperature. black cat yoga crowboroughWebGermanium detectors are semiconductor diodes having a p-i-n structure in which the intrinsic (i) region is sensitive to ionizing radiation, particularly x rays and gamma rays. Under reverse bias, an electric field extends … gallon paint sq ft coverage