Optically controlled semiconductor waveguide interferometer appa

Radiant energy – Ionic separation or analysis – Static field-type ion path-bending selecting means

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350 9611, 350 9612, 350 9613, 250211J, 356345, 357 30, G02B 610, H01J 4014, G01B 902, H01L 2714

Patent

active

048787230

ABSTRACT:
An optically controlled semiconductor waveguide interferometer apparatus includes a Mach-Zehnder interferometer formed of semiconductor laser materials. A first optoelectronic switching means is adapted to be coupled across a first voltage potential and one of the optical paths of the interferometer. The first optoelectronic switching means has a first gap therein. Likewise, a second optoelectronic switching means is adapted to be coupled across a second voltage potential and the other of the optical paths. The second optoelectronic switching means has a respective gap therein. Light pulses are applied to the two gaps for controlling the index of refraction of the optical paths, whereby the light pulses control the interferometer so that the output intensity of the interferometer is modulated.

REFERENCES:
patent: 4111521 (1978-09-01), Streifer et al.
patent: 4546244 (1985-10-01), Miller
patent: 4840446 (1989-06-01), Nakamura et al.

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