Large angle broadband multilayer deflectors

Details Large angle broadband multilayer deflectors Large angle broadband multilayer deflectors

G - Physics

02

F

G02F 1/37 (2006.01) G02B 27/10 (2006.01) G02B 27/12 (2006.01) G02F 1/29 (2006.01) G02F 1/295 (2006.01) G02F 1/35 (2006.01)

Patent

CA 2091499

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 for 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.

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