Velocity matched optical gate

Details Velocity matched optical gate Velocity matched optical gate

1979-07-18

1981-02-17

Corbin, John K.

350355, G02B 2114, G02F 101

Patent

active

042511305

ABSTRACT:
The coupling between a pair of coupled wavepaths (11, 12) is modulated by means of a biasing wave travelling in synchronism with the signal in the coupled wavepaths. In particular, by limiting the coupling to a small interval about the zero crossover point of the biasing signal, subpicosecond pulses can be generated by means of a simple sine wave biasing signal. Such a velocity matched gate can be employed as a pulse generator; a modulator; a multiplexer/demultiplexer; and pulse shape analyzer.

REFERENCES:
patent: 3695745 (1972-10-01), Furukawa
patent: 4005927 (1977-02-01), Caton
"Ga As Rib-Waveguide Directional Coupler Switch with Schottky Barriers", Kawaguchi, Electronics Letters, pp. 337-338, Jun. 1978.

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