All optical self limiter for fiber optics

Details All optical self limiter for fiber optics All optical self limiter for fiber optics

1989-08-25

1990-11-27

Sikes, William L.

350 9615, 350 9612, G02B 630

Patent

active

049731254

ABSTRACT:
All optical self limiters in a geometry suitable for use in a fiber optics context are disclosed. Edge coupled light to a silicon thin layer on a doped silicon substrate lowers the refractive index of the layer and eventually brings it to the waveguide cut off condition. In a further embodiment, by varying the amount of light incident on the nonlinear substrate and the nonlinear channel, a fully adjustable limiting action is obtained.

REFERENCES:
patent: 4729618 (1988-03-01), Yoshida et al.
patent: 4753505 (1988-06-01), Mikami et al.
patent: 4762382 (1988-08-01), Husain et al.
patent: 4775215 (1988-10-01), Teng et al.
patent: 4776661 (1988-10-01), Handa
patent: 4838634 (1989-06-01), Bennion et al.
patent: 4910737 (1990-03-01), Payne et al.
"End fibre coupling between optical fibers and stripe waveguides" Andonovic et al.
First European Conference on Integrated Optics London, England (1H-15 Sep. 1981).

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