Optical waveguides – Having nonlinear property
Patent
1991-09-18
1992-10-13
Lee, John D.
Optical waveguides
Having nonlinear property
359332, 385130, G02F 135
Patent
active
051557916
ABSTRACT:
A waveguide for second order nonlinear wavelength conversion comprising a thin film embedded in an optically passive waveguiding medium wherein the film is nonlinear optically active and has periodic modifications of the nonlinear optical properties in the propagation direction, and said film thickness is less than 50% of the smallest effective transverse dimension of the waveguide, and said film width is greater than or equal to the largest transverse dimension of the waveguide, said waveguide is preferably surrounded by cladding media having lower refractice indices than the waveguide.
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E. I. Du Pont de Nemours and Company
Lee John D.
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