1.0–1.4-μm high-speed avalanche photodiodes
- 1 September 1978
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 33 (5) , 416-417
- https://doi.org/10.1063/1.90398
Abstract
High‐speed high‐quantum‐efficiency avalanche photodiodes (APD’s) are required in the 1.0–1.4‐μm wavelength range in order to exploit the superior optical fibers now available at these wavelengths. The GaAlSb heterojunction APD’s reported here have external quantum efficiencies of 60% (without antireflection coatings), risetimes of 60 ps, and pulse widths (FWHM) of 120 ps with no evidence of a ’’back porch’’. Uniform high‐speed avalanche gains of 20 have been achieved.Keywords
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