Light receiving method of an avalanche photodiode and a bias...

Details Light receiving method of an avalanche photodiode and a bias... Light receiving method of an avalanche photodiode and a bias...

2007-10-16

2007-10-16

Pyo, Kevin (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C250S2140AG, C250S2140VT, C327S514000

Reexamination Certificate

active

11712497

ABSTRACT:
The present invention provides a method to maintain a multiplication factor of an avalanche photodiode independent on temperatures without additional devices. The light-receiving apparatus of the invention includes an avalanche photodiode (APD), a dividing circuit, and a bias supplying circuit. The APD has a first region, where a significant multiplication factor appears, and a second region without any multiplication factor. The dividing circuit extracts a second signal.

REFERENCES:
patent: 4949144 (1990-08-01), Kuroda et al.
patent: 5004907 (1991-04-01), Prasse
patent: 5548112 (1996-08-01), Nakase et al.
patent: 6794631 (2004-09-01), Clark
patent: 63-105541 (1988-05-01), None
patent: 9-321710 (1997-12-01), None
patent: 63-77171 (1998-04-01), None
patent: 2000-244418 (2000-09-01), None
Notice of Reasons for Rejection from Japanese Patent Office with English Translation, 2007.

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