Temperature compensation of laser diodes

Details Temperature compensation of laser diodes Temperature compensation of laser diodes

1998-04-14

1999-10-26

Bovernick, Rodney

Coherent light generators

Particular component circuitry

Optical pumping

372 31, H01S 300

Patent

active

059740647

ABSTRACT:
A temperature compensated laser diode transmitter circuit includes a laser diode, a driver circuit for supplying an a.c. drive current to the laser diode, a thermistor arranged to thermally sense the laser diode, a current source having a first and a second current output controlled by the thermistor, the first current output connected to the driver for temperature compensating the drive current, and the second current output connected to supply a temperature compensated bias current to the laser diode.

REFERENCES:
patent: 4243952 (1981-01-01), Patterson
patent: 5646763 (1997-07-01), Misaizu et al.
patent: 5760939 (1998-06-01), Nagarajan et al.
patent: 5761230 (1998-06-01), Oono et al.

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