Method of controlling the power output of a semiconductor laser

H - Electricity – 01 – S

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345/32, 345/40

H01S 3/10 (2006.01) G02B 6/26 (2006.01) G02B 6/42 (2006.01) H01S 5/0683 (2006.01)

Patent

CA 1092228

ABSTRACT OF THE DISCLOSURE Arrangement for regulating the output energy of a semiconductor laser for a data transmission system including a light conductive fiber through which the laser energy is transmitted and a photodiode which is responsive to light energy produced by the laser and whose output signal is util zed, possibly after appropriate amplification, to regulate the laser current. The photodiode is a thin-film photodiode which is transparent for the light frequencies to be transmitted via the light conductive fiber and is inserted in the light-con- ductive fiber used to transmit the signals. - 1 -

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