High repetition rate injection laser modulator

Details High repetition rate injection laser modulator High repetition rate injection laser modulator

1975-08-28

1977-05-31

James, Andrew J.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307300, 307305, 357 13, 331 945H, H03K 118

Patent

active

040271790

ABSTRACT:
A high repetition rate injection laser modulator wherein a DC bias voltage is applied across a serially connected forwardly-poled-injection laser and carrier-injected avalanche device. The carrier-injected avalanche device generates a current pulse in response to additional carriers injected into the device by a trigger pulse applied across the control junction of the avalanche device. An offset bias is provided across the control junction to remove built-up charges at the junction interface to provide for high repetition rate operation. The current pulse is of sufficient magnitude to effect pumping of the injection laser, the injection laser thus emitting a corresponding pulse of coherent light.

REFERENCES:
patent: 3586884 (1971-06-01), Gassmann
patent: 3609396 (1971-09-01), Gassmann
patent: 3638042 (1972-01-01), Studtmann
patent: 3855605 (1974-12-01), Kawamoto

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