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Until the early 2000's, the avalanche photodiode (APD) was widely deployed in high-performance optical receivers that operated up to 10 Gb/s. In subsequent years, the use of APDs for high-capacity systems declined as a result of their limited gain bandwidth, the transition to coherent detection, and the development of high-efficiency modulation techniques. Recently, the rapid growth of optical-fiber...
This paper will review recent advances in linear- and Geiger mode avalanche photodiodes (APDs). The focus for linear-mode devices will be materials and structural modifications to the conventional InP/InGaAs APD that have enabled reduced excess noise and enhanced gain-bandwidth products. The discussion of Geiger mode APDs will cover the basic operation and principal performance parameters with emphasis...
This talk will describe recent work on photodetectors. The discussion on avalanche photodiodes (APDs) will include novel low-noise structures for telecommunications wavelengths, SiC APDs in the ultraviolet, InAs APDs for mid-wave infrared, and recent advances in single photon detection. The presentation on p-i-n photodiodes will concentrate on high-speed, high-power, high-linearity photodiodes for...
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