Laser bias and modulation circuit

Details Laser bias and modulation circuit Laser bias and modulation circuit

1992-06-15

1993-12-07

Epps, Georgia Y.

Coherent light generators

Particular component circuitry

Optical pumping

372 26, 372 29, H01S 300, H01S 310

Patent

active

052689166

ABSTRACT:
Constant light output is provided by a laser diode over various temperatures or operating points by adjusting the bias current in accordance with a midpoint of a detected peak and a detected valley of an output power level and adjusting the modulation current amplitude in accordance with the difference between the detected peak and the detected valley output power.

REFERENCES:
patent: 4385387 (1983-05-01), Trimmel
patent: 4916706 (1990-04-01), Ohashi
patent: 4967417 (1990-10-01), Yamada
patent: 5018154 (1991-05-01), Ohashi
patent: 5144631 (1992-09-01), Okino

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