Electrically controlled integrated optical switch

Details Electrically controlled integrated optical switch Electrically controlled integrated optical switch

1987-05-18

1988-05-24

Wan, Gene

350 9613, G02B 610

Patent

active

047461837

ABSTRACT:
An electrically controlled integrated optical switch having a body made up entirely of crystalline silicon. More specifically, the body has a pair of channel waveguides intersecting in an X-like configuration forming therein an intersection crossover region. A first electrode is positioned on the intersection crossover region and a second electrode is positioned on the bottom of the body opposite the intersection crossover region. A controllable current/voltage source is electrically connected to the electrodes in order to alter the index of refraction of the intersection crossover region by carrier injection in order to selectively switch optical signals between diverging waveguides.

REFERENCES:
patent: 4420873 (1983-12-01), Leonberger et al.

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