Nonlinear optical devices and methods

G - Physics – 02 – F

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345/11, 88/114,

G02F 1/35 (2006.01) B05D 5/06 (2006.01) B05D 5/12 (2006.01) C07D 251/34 (2006.01) C08G 73/06 (2006.01) G02F 1/01 (2006.01) G02F 1/29 (2006.01) G02F 1/361 (2006.01) G02F 1/37 (2006.01)

Patent

CA 2039060

Optically nonlinear device elements such as directional couplers, switches, frequency stabilizers, optical parametric devices and modulators use as an optically nonlinear element a cross-linked triazine polymer containing a covalently bonded optically nonlinear dye moiety. A specific cross-linked triazine with this dye moiety may be made by cyclotrimerizing a p-(N,N-bis(4'-cyanatobenzyl)amino)-p'- (2,2-dicyanovinyl)azobenzene monomer. During polycyclotrimerization or cure, theelement is subjected to a poling voltage which aligns the dipoles of the dye moiety to give a large useful nonlinear susceptibility.

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