Fiber optic modulator

Details Fiber optic modulator Fiber optic modulator

1987-07-30

1988-10-11

Lee, John D.

350 9613, 350354, G02B 626, G02F 135

Patent

active

047766581

ABSTRACT:
New all-optical modulators that use nonlinear refraction and absorption to modify fiber-to-fiber coupling are disclosed. No resonators, feedback or stringent wavelength controls are needed. Implementations of the AND, NOR, NOT and XOR gates with better than 20 dB contrast ratio are described and demonstrated.

REFERENCES:
patent: 3790252 (1974-02-01), Pao
patent: 4190811 (1980-02-01), Alcock et al.
patent: 4558923 (1985-12-01), Hoffman et al.
patent: 4597638 (1986-07-01), Chemla et al.
patent: 4693547 (1987-09-01), Soref et al.
Third Canadian Semiconductor Technology Conference, Aug. 20-22, 1986, Ottawa, Ontario, Canada.
Optics Letters, vol. 11, pp. 751-753, Nov. 1986.

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