LOW DARK CURRENT InGaAs PIN PHOTODIODES GROWN BY MOLECULAR BEAM EPITAXY.

被引:0
|
作者
Cinguino, P. [1 ]
Genova, F. [1 ]
Rigo, C. [1 ]
Stano, A. [1 ]
机构
[1] Centro Studi e Lab Telecomunicazioni, SpA, Turin, Italy, Centro Studi e Lab Telecomunicazioni SpA, Turin, Italy
来源
CSELT Technical Reports | 1985年 / 13卷 / 02期
关键词
OPTICAL FIBERS - POLYIMIDES - Applications - SEMICONDUCTING GALLIUM ARSENIDE - SEMICONDUCTING GALLIUM COMPOUNDS - SEMICONDUCTING INDIUM COMPOUNDS;
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摘要
High quality InGaAs PIN photodiodes have been made from high-purity layers grown on InP substrate by molecular beam epitaxy. The diodes are top-illuminated mesa-type passivated and planarized by polyimide. The devices exhibit dark current densities as low as 2. 3 10** minus **5 A/cm**2 at minus 10 v with a breakdown voltage of minus 80 v, an external quantum efficiency greater than 40% in the 1. 3-1. 6 mu m range and response time of 210 ps (FWHM). These values are comparable with those obtained by other more conventional growth techniques and the best so far reported by MBE.
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页码:113 / 115
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