Optical waveguides – Having nonlinear property
Patent
1991-08-28
1992-11-24
Lee, John D.
Optical waveguides
Having nonlinear property
359328, 385143, G02F 137
Patent
active
051670003
ABSTRACT:
A nonlinear optical device is provided which uses nonlinear optical materials that transmit a fundamental wave and generated higher harmonics, and have optical absorption maximums based on an electronic transition between wavelengths of the fundamental wave and the generated higher harmonics. Therefore, by emitting higher harmonics having a wavelength within an optical transmission region between wavelengths of the two optical absorption maximums, materials can be used which have a long wavelength at their absorption edge and a large .beta. value which have been considered unsuitable in the prior art. As a result, a device with high conversion efficiency can be realized.
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T. Kondo et al., Jap. Jour. of Appl. Phy. vol. 28, No. 9, Sep., 1989, pp. 1622-1628.
S. Umegaka et al, Proces. of SPIE 682, 1986, pp. 187-190.
D. S. Chemla et al., "Non-Linear Opt. Prop. of Organic Mol. . . . vol. 1", 1987, Academic Press, pp. 248-255.
Kawamura Tatsurou
Minemoto Hisashi
Sonoda Nobuo
Wakita Katsuya
Lee John D.
Matsushita Electric - Industrial Co., Ltd.
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