Laser control circuit

Details Laser control circuit Laser control circuit

1982-06-04

1985-08-13

Britton, Howard W.

Coherent light generators

Particular component circuitry

Optical pumping

332 751, 455610, 455611, 372 26, 372 31, H01S 310, H04B 900

Patent

active

RE0319694

ABSTRACT:
A control circuit for an injection laser includes a driver circuit which applies a driving current to the laser in response to an electrical modulating signal. A prebias circuit applies a prebias current to the laser in response to the difference between a signal derived from the electrical modulating signal and a signal derived from the laser light output.

REFERENCES:
patent: 3898583 (1975-08-01), Shuey
patent: 3931512 (1976-01-01), Kent et al.
patent: 4008390 (1977-02-01), Runge
Electronics Letters, Jan. 25, 1973, "Direct Modulation of Double-Heterostructure Lasers . . . " by M. Chown et al. pp. 34-36.

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