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|Title:||High speed InAs electron avalanche photodiodes overcome the conventional gain-bandwidth product limit||Authors:||Marshall, A.R.J.
|Issue Date:||2011||Journal:||High speed InAs electron avalanche photodiodes overcome the conventional gain-bandwidth product limit. Optics Express, 19(23), 23341-23349||Abstract:||High bandwidth, uncooled, Indium Arsenide (InAs) electron avalanche photodiodes (e-APDs) with unique and highly desirable characteristics are reported. The e-APDs exhibit a 3dB bandwidth of 3.5 GHz which, unlike that of conventional APDs, is shown not to reduce with increasing avalanche gain. Hence these InAs e-APDs demonstrate a characteristic of theoretically ideal electron only APDs, the absence of a gain-bandwidth product limit. This is important because gain-bandwidth products restrict the maximum exploitable gain in all conventional high bandwidth APDs. Non-limiting gain-bandwidth products up to 580 GHz have been measured on these first high bandwidth e-APDs. © 2011 Optical Society of America.||DOI:||10.1364/OE.19.023341|
|Appears in Collections:||COE Scholarly Publication|
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