Optical attenuator for Geiger mode avalanche photodiode laser detection systems
Sign Up to like & getrecommendations! Published in 2018 at "Optik"
DOI: 10.1016/j.ijleo.2017.10.002
Abstract: Abstract This paper presents a method to estimate the optical attenuator according to the false firing percentage of Geiger Mode Avalanche Photodiode array detection system only under background light. The effect of the dark current… read more here.
Keywords: attenuator; detection; optical attenuator; avalanche photodiode ... See more keywords
Cesium hafnium chloride scintillator coupled with an avalanche photodiode photodetector
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Instrumentation"
DOI: 10.1088/1748-0221/12/02/c02042
Abstract: Optical and scintillation properties of pure Cs2HfCl6 (CHC) single crystals were investigated. In particular, light output and energy resolution were measured using a Si avalanche photodiode (Si-APD), since the Si-APD has sufficient quantum efficiency of… read more here.
Keywords: avalanche photodiode; cesium hafnium; light output;
Top-Illuminated In0.52Al0.48As-Based Avalanche Photodiode With Dual Charge Layers for High-Speed and Low Dark Current Performances
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Journal of Selected Topics in Quantum Electronics"
DOI: 10.1109/jstqe.2017.2731938
Abstract: A novel type of top-illuminated, etch-mesa In0.52Al0.48As-based avalanche photodiode (APD) with high-speed (>25 Gb/s), low dark current performance has been demonstrated. The 25G APD device is composed of n-side down design with the In0.52Al0.48As multiplication… read more here.
Keywords: sub sub; avalanche photodiode; top illuminated; sub ... See more keywords
The Influence of Structure Parameter on GaN/AlN Periodically Stacked Structure Avalanche Photodiode
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2017.2766454
Abstract: Recently, we have verified an inter-valley scattering free avalanche photodiode (APD) by using GaN/AlN periodically stacked structure (PSS). High linear-mode gain and extremely low excess noise have been achieved in a prototype GaN (10 nm)/… read more here.
Keywords: stacked structure; aln periodically; avalanche photodiode; gan aln ... See more keywords
HgCdTe avalanche photodiode array detectors with single photon sensitivity and integrated detector cooler assemblies for space lidar applications
Sign Up to like & getrecommendations! Published in 2019 at "Optical Engineering"
DOI: 10.1117/1.oe.58.6.067103
Abstract: Abstract. A HgCdTe avalanche photodiode (APD) focal plane array assembly with linear mode photon-counting capability has been developed for space lidar applications. An integrated detector cooler assembly (IDCA) has been built using a miniature Stirling… read more here.
Keywords: array; space lidar; hgcdte avalanche; cooler ... See more keywords
Performance analysis of a PPM-FSO communication system with an avalanche photodiode receiver over atmospheric turbulence channels with aperture averaging.
Sign Up to like & getrecommendations! Published in 2017 at "Applied optics"
DOI: 10.1364/ao.56.006432
Abstract: The average bit error rate (ABER) performance of an avalanche-photodiode (APD)-based pulse-position modulation (PPM) free-space optical (FSO) communication system is investigated considering the aperture averaging effect. The approximate ABER expression is theoretically derived in terms… read more here.
Keywords: aperture averaging; system; avalanche photodiode; performance ... See more keywords
HgCdTe avalanche photodiode detectors for airborne and spaceborne lidar at infrared wavelengths.
Sign Up to like & getrecommendations! Published in 2017 at "Optics express"
DOI: 10.1364/oe.25.016589
Abstract: We report results from characterizing the HgCdTe avalanche photodiode (APD) arrays developed for lidar at infrared wavelengths by using the high density vertically integrated photodiodes (HDVIP®) technique. The results show >90% quantum efficiencies between 0.8… read more here.
Keywords: infrared wavelengths; lidar; avalanche photodiode; hgcdte avalanche ... See more keywords
High-performance waveguide Ge/Si avalanche photodiode with a lateral separate-absorption-charge-multiplication structure.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.450618
Abstract: A high-performance waveguide Ge/Si avalanche photodiode operating at the O-band (1310 nm) is designed with a Ge/Si ridge waveguide defined by two shallow trenches in the active region and fabricated with simplified processes. The device… read more here.
Keywords: performance waveguide; waveguide avalanche; high performance; avalanche photodiode ... See more keywords
Three-electrode germanium-on-silicon avalanche photodiode array.
Sign Up to like & getrecommendations! Published in 2023 at "Optics letters"
DOI: 10.1364/ol.477463
Abstract: In this Letter, we report a bridge-connected three-electrode germanium-on-silicon (Ge-on-Si) avalanche photodiode (APD) array compatible with the complementary metal-oxide semiconductor (CMOS) process. In addition to the two electrodes on the Si substrate, a third electrode… read more here.
Keywords: electrode; electrode germanium; germanium silicon; avalanche photodiode ... See more keywords
Infrared Avalanche Photodiode Detectors
Sign Up to like & getrecommendations! Published in 2017 at "Defence Science Journal"
DOI: 10.14429/dsj.67.11183
Abstract: This study presents on the design, fabrication and characteristics of HgCdTe mid-wave infrared avalanche photodiode (MWIR APD). The gain of 800 at - 8 V bias is measured in n+-ν-p+ detector array with pitch size… read more here.
Keywords: avalanche photodiode; gain; photodiode detectors; infrared avalanche ... See more keywords
Amplification Channel for Avalanche Photodiode Signals Purposed for Spectrometric Measurements under High Peak Rates
Sign Up to like & getrecommendations! Published in 2018 at "Optoelectronics, Instrumentation and Data Processing"
DOI: 10.3103/s8756699018020127
Abstract: A method of amplification and shaping of analog signals produced by a large-capacitance signal source is proposed. This method is optimized for reaching the highest signal/noise ratio, and, along with that, it allows for recognizing… read more here.
Keywords: amplification channel; avalanche photodiode; channel avalanche; photodiode signals ... See more keywords