Semiconductor laser module

Details Semiconductor laser module Semiconductor laser module

2005-10-18

2005-10-18

Vannucci, James (Department: 2828)

Coherent light generators

Particular active media

Semiconductor

C372S029011

Reexamination Certificate

active

06956880

ABSTRACT:
A semiconductor laser module comprises a laser diode that emits light in a frontward direction and a rearward direction, an optical fiber that transmits the light emitted in the frontward direction by the laser diode, and a monitor photodiode that receives the light emitted in the rearward direction by the laser diode. The monitor photodiode is characterized in that its sensitivity characteristic has a negative temperature coefficient.

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U.S. Appl. No. 09/904,504, filed Jul. 16, 2001, Title “Semiconductor Laser Module Constituted by Optically Coupling Optical Fiber Having Fiber Grating and Laser Diode”, Inventor, Takeshi Fujita.
U.S. Appl. No. 09/904,509, filed Jul. 16, 2001, “Semiconductor Laser Module Constituted by Optically Coupling Optical Fiber Having Fiber Grating and Laser Diode”, Takeshi Fujita.

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