Laser diode phase modulation technique

Details Laser diode phase modulation technique Laser diode phase modulation technique

1990-04-09

1991-01-29

Scott, Jr., Leon

Coherent light generators

Particular beam control device

Modulation

372 28, 455611, H01S 310

Patent

active

049892126

ABSTRACT:
Apparatus, and a corresponding method, for phase-modulating an optical carrier signal. An input data signal is passed through a derivative filter to obtain a time-differentiated data signal, for application directly to a laser diode, which functions inherently as a frequency modulator. The carrier signal is frequency-modulated by the time derivative of the input signal, and this is equivalent to being phase-modulated by the input signal.

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