Waveguide type liquid crystal optical switch

Details Waveguide type liquid crystal optical switch Waveguide type liquid crystal optical switch

G - Physics

02

F

G02F 1/295 (2006.01) G02F 1/1333 (2006.01) G02F 1/313 (2006.01) H04Q 3/52 (2006.01)

Patent

CA 2429115

The invention provides a waveguide type liquid crystal optical switch that includes first and second cores so as to form a space therebetween, in which an optical path is switched between the first and second cores; a third core provided apart from the first and second cores, into which nematic liquid crystal orientated by an orientation film along a predetermined direction is filled, the third core overlapping to the space formed between the first and second cores; a first electrode arranged on an opposite side of the first and second cores with respect to the third cure so as to overlap to the space between the first and second cores, second and third electrodes arranged on both sides of the first electrode, for orienting liquid crystal molecules along a direction perpendicular to the orientation direction of the orientation film; and a cladding for incorporating the cores and the electrodes.

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