Large angle broadband multilayer deflectors

Details Large angle broadband multilayer deflectors Large angle broadband multilayer deflectors

1992-03-20

1994-11-01

Davie, James W.

Optical: systems and elements

Optical frequency converter

Harmonic generator

385131, H03F 700

Patent

active

053611608

ABSTRACT:
An optical signal deflector comprising an optical signal waveguide formed of plural layers of optically non-linear semiconductor material, apparatus for launching a first optical signal in the waveguide in a first direction which is parallel to the layers, apparatus for applying a second optical signal to the waveguide in a second direction parallel to the layers but at an angle to the first direction, the thickness and indexes of refraction of the layers being predetermined to cause non-linear field contributions of the signals to add in phase in the far field, whereby a third optical signal is obtained having an angle of emission which is the three dimensional vector addition, at a harmonic sum frequency, of the first and second signals.

REFERENCES:
patent: 5111466 (1992-05-01), Normandin et al.
patent: 5185830 (1993-02-01), Nishimoto

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