Light-controlled semiconductor light coupler and modulator

Details Light-controlled semiconductor light coupler and modulator Light-controlled semiconductor light coupler and modulator

1991-01-30

1992-04-14

Mintel, William

Coherent light generators

Particular component circuitry

Optical pumping

357 17, 357 30, 357 16, 357 4, 372 50, 372 43, 385 2, 385 3, 385 8, H01L 3112

Patent

active

051052407

ABSTRACT:
A light-controlled semiconductor light coupler for altering the position of and modulating a signal light in response to the intensity of a control light includes a multiple quantum well structure having an index of refraction that varies in response to the intensity of an incident, essentially monochromatic control light, first and second semiconductor light guide layers contacting and sandwiching the multiple quantum well structure for transmitting a signal light beam variably coupled between the first and second light guide layers in response to the intensity of the control light, and first and second semiconductor cladding layers contacting and sandwiching the first and second light guide layers, respectively.

REFERENCES:
patent: 4716449 (1987-12-01), Miller
patent: 4800262 (1989-01-01), Lentine
patent: 5016990 (1991-05-01), Dobson
Carenco et al., "GaAs Homojunction . . . Coupler Switch", Journal of Applied Physics, vol. 51, No. 3, Mar. 1980, pp. 1325-1327.

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