OPTICAL SEMICONDUCTOR DEVICE
PROBLEM TO BE SOLVED: To provide an optical semiconductor device which compatibly achieves an enhancement of a light receiving sensitivity, an increase of an operating speed, and a reduction of a noise. SOLUTION: The optical semiconductor device comprises: a semiconductor substrate 1; a light-receiv...
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creator | YASUKAWA HISATADA TAKEHARA HIROSHIGE IWAI YOSHITAKA |
description | PROBLEM TO BE SOLVED: To provide an optical semiconductor device which compatibly achieves an enhancement of a light receiving sensitivity, an increase of an operating speed, and a reduction of a noise. SOLUTION: The optical semiconductor device comprises: a semiconductor substrate 1; a light-receiving element 2 formed on the semiconductor substrate 1; a light-absorbing element 4 formed on the semiconductor substrate 1 and disposed adjacent to the light-receiving element 2; and a signal processing semiconductor element 3 formed on the semiconductor substrate 1. Further, the light-absorbing element 4 has a fifth semiconductor layer 29, and structures of light-absorbing regions differ between the light-receiving element 2 and the light absorbing element. COPYRIGHT: (C)2009,JPO&INPIT |
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SOLUTION: The optical semiconductor device comprises: a semiconductor substrate 1; a light-receiving element 2 formed on the semiconductor substrate 1; a light-absorbing element 4 formed on the semiconductor substrate 1 and disposed adjacent to the light-receiving element 2; and a signal processing semiconductor element 3 formed on the semiconductor substrate 1. Further, the light-absorbing element 4 has a fifth semiconductor layer 29, and structures of light-absorbing regions differ between the light-receiving element 2 and the light absorbing element. 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subjects | BASIC ELECTRIC ELEMENTS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY SEMICONDUCTOR DEVICES |
title | OPTICAL SEMICONDUCTOR DEVICE |
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