NDLI: Optimization of InP APDs for High-Speed Lightwave Systems

Content Provider	IEEE Xplore Digital Library
Author	Ong, D.S.G. Jo Shien Ng Hayat, M.M. Peng Sun David, J.
Copyright Year	1983
Abstract	Calculations based on a rigorous analytical model are carried out to optimize the width of the indium phosphide avalanche region in high-speed direct-detection avalanche photodiode-based optical receivers. The model includes the effects of intersymbol interference (ISI), tunneling current, avalanche noise, and its correlation with the stochastic avalanche duration, as well as dead space. A minimum receiver sensitivity of -28 dBm is predicted at an optimal width of 0.18 mum and an optimal gain of approximately 13, for a 10 Gb/s communication system, assuming a Johnson noise level of 629 noise electrons per bit. The interplay among the factors controlling the optimum sensitivity is confirmed. Results show that for a given transmission speed, as the device width decreases below an optimum value, increased tunneling current outweighs avalanche noise reduction due to dead space, resulting in an increase in receiver sensitivity. As the device width increases above its optimum value, the receiver sensitivity increases as device bandwidth decreases, causing ISI to dominate avalanche noise and tunneling current shot noise.
Sponsorship	IEEE Lasers and Electro-Optics Society Optical Society of America
Starting Page	3294
Ending Page	3302
Page Count	9
File Size	515799
File Format	PDF
ISSN	07338724
Volume Number	27
Issue Number	15
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-08-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Indium phosphide Intersymbol interference Tunneling Optical receivers Noise level Analytical models Optical noise Stochastic resonance Electrons Communication system control receiver sensitivity Avalanche duration avalanche photodiodes dead space impact ionization intersymbol interference noise
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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