First order mode frequency doubler system and method

Optical waveguides – Having nonlinear property

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385 28, 385 50, 369112, 359328, 359332, G02B 626

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052241939

ABSTRACT:
A first section of a waveguide channel is made of a nonlinear crystal material. A second section of the waveguide has a plurality of diverging channels. Each of the diverging channels is of a width which supports one of the modes of second harmonic generated light from the first section. First order mode second harmonic light is obtained at the end of one of the diverging channels.

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Robert N. Thurston, et al., "Analysis of Mode Separation in Multichannel Branching Waveguides," IEEE Journal of Quantum Electronics, vol. QE-23, No. 8, pp. 1245-1255, Aug. 1987.
Robert N. Thurston, et al., "Mode Separation and Switching in Multichannel Branching Optical Waveguides," SPIE, vol. 836 Optoelectronic Materials, Devices, Packaging, and Interconnects (1987), pp. 211-219.

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