Protection device for a laser diode

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

H - Electricity

01

S

352/32, 345/55

H01S 3/10 (2006.01) G11B 7/00 (2006.01) H01S 5/068 (2006.01) H01S 5/0683 (2006.01)

Patent

CA 1184296

A PROTECTION DEVICE FOR A LASER DIODE ABSTRACT OF THE DISCLOSURE The protection device for a laser diode supplied by the superimposi- tion 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.

391671

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