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- W1641439048 abstract "In present paper we have reported low noise LWIR photodetector optical receiver used in intensity modulated (IM/DD) direct detection system for free space optical communication applications. The model is used to explore the different types of noises associated with the photodetector as well as of amplifier and biasing resisters. In dark current modeling of detector we have considered all possible recombination mechanisms e.g. fundamental recombination (band-to-band and Auger) and non-fundamental recombination (Shockley-Read-Hall and surface recombination) mechanisms. All the noise components of the receiver circuit have been analyzed theoretically. The present analysis leading to dark current of the photodetector is ID ap 5times10-7 A, dynamic resistance of the LWIR detector RD ap 107 Omega, and noise-equivalent-power of receiver circuit NEP ap 10-14 W-Hz1/2." @default.
- W1641439048 created "2016-06-24" @default.
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- W1641439048 date "2009-06-16" @default.
- W1641439048 modified "2023-09-23" @default.
- W1641439048 title "Noise analysis of LWIR photodetector based on HgCdTe for free space optical receiver" @default.
- W1641439048 hasPublicationYear "2009" @default.
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