Protection device for a laser diode

Details Protection device for a laser diode Protection device for a laser diode

1984-03-21

1984-12-11

Davie, James W.

Coherent light generators

Particular component circuitry

Optical pumping

455609, H01S 319, H01S 3096

Patent

active

044883056

ABSTRACT:
The protection device for a laser diode supplied by the superimposition of a DC biasing current and a variable information-carrying current, through an opto-electronic feedback system, comprises a variable resistor connected upstream of the laser diode and of the feedback system so as to form a closed loop with the information-carrying current source and so as to ensure that the laser diode is biased before any injection of information-carrying current into this diode.

REFERENCES:
patent: 4009385 (1977-02-01), Sell

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