Method for regulating the output power of a semiconductor laser

Details Method for regulating the output power of a semiconductor laser Method for regulating the output power of a semiconductor laser

1977-11-17

1980-01-01

Davie, James W.

Oscillators

Molecular or particle resonant type

250211J, 250552, 307312, 357 19, 357 30, H01S 313

Patent

active

041819012

ABSTRACT:
Arrangement for regulating the output power of a semiconductor laser for a data transmission system including a light conductive fiber through which the laser power is transmitted and a photodiode which is responsive to light energy produced by the laser and whose output signal is utilized, 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-conductive fiber used to transmit the signals.

REFERENCES:
patent: 3878105 (1975-04-01), Palmer
patent: 3996526 (1976-12-01), d'Auria et al.
patent: 4092614 (1978-05-01), Sakuma et al.
J. Muller et al., "Transparent Photodiodes for Optical Transmission Systems," Third European Conference on Optical Communication, Munich, Sep. 14-16, 1977, pp. 173-175.

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