Actively phased matched frequency doubling optical waveguide

Details Actively phased matched frequency doubling optical waveguide Actively phased matched frequency doubling optical waveguide

1989-12-08

1991-09-10

Sikes, William L.

Optical waveguides

Having nonlinear property

385130, 359328, G02B 610

Patent

active

050468030

ABSTRACT:
An actively phase matched waveguide structure suitable for use as a frequency doubling device is described. The phase matching of the waveguide is controlled by application of a control voltage. The waveguide includes first and second non-linear optical layers of material having differing indexes of refraction forming a waveguide. Disposed on the surface of the waveguide is a layer of transparent semiconductor material disposed between two transparent electrodes. The index of refraction of the transparent semiconductor material varies with the potential applied to the electrode and thereby varies the phase matching of the waveguide as a whole.

REFERENCES:
patent: 4427260 (1984-01-01), Puech et al.
"Second Harmonic Generation in Composite Waveguides" F. Zernike, Meeting on Integrated Optics, Jan. 12-14, 1976, Salt Lake City, Utah.
"Electric Field Tuning of Second-Harmonic Generation in a Three-Dimensional LiNbO.sub.3 Optical Waveguide" Appl. Phys. Lett. 34(1) Jan. 1, 1979.

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