Semiconductor light source system having an optimized setting fo

Details Semiconductor light source system having an optimized setting fo Semiconductor light source system having an optimized setting fo

1996-10-11

1999-11-16

Bovernick, Rodney

Coherent light generators

Particular component circuitry

Optical pumping

H01S 300

Patent

active

059870443

ABSTRACT:
A semiconductor light source system includes a laser diode that is operated in a variable temperature environment and a driver circuit, wherein the driver circuit sets a magnitude of a signal current supplied to the laser diode below an upper limit level that corresponds to a maximum operational temperature of the laser diode. The driver circuit simultaneously sets a relative magnitude of the signal current with respect to a bias current such that a sufficient extinction ratio is achieved in an output optical beam and further sets a relative magnitude of the signal current with respect to the bias current such that a sufficiently small oscillation delay is achieved in the laser diode.

REFERENCES:
Patent Abstracts of Japan, vol. 8, No. 91 (E-241), Apr. 26, 1984 & JP-A-59 009988 (Hitachi Seisakusho KK), Jan. 19, 1984.
Patent Abstracts of Japan, vol. 8, No. 198 (E-265), Sep. 11, 1984 & JP-A-59 084591 (Fujitsu KK), May 16, 1984.
Patent Abstracts of Japan, vol. 9, No. 136 (E-320), Jun. 12, 1985 & JP-A-60 018982 (Fujitsu KK), Jan. 31, 1985.

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