Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1989-06-16
1991-04-30
Lee, John D.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307427, 307430, G02F 137
Patent
active
050112503
ABSTRACT:
An optical harmonic generator for obtaining a harmonic with a wavelength which is an integral measure of the wavelength of incident light by the use of a nonlinear optical effect is provided which is used, for example, to obtain a laser beam having a shorter wavelength. The optical harmonic generator is formed by laminating a dielectric, a metal thin film, and a nonlinear thin film waveguide. A very strong alternating electric field, produced by the electric field enhancement effect of a metal surface plasmon excited by the metal thin film, is applied near the interface between the nonlinear thin film waveguide and the metal thin film, and a harmonic is generated from the nonlinear thin film waveguide by the alternating electric field. By selecting the film thickness of the metal thin film and the depth of the nonlinear thin film waveguide, phase matching between the incident light and the generated harmonic is achieved.
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patent: 5867510 (1989-09-01), Dobson
"Enhancement of the Second Harmonic Generation at the Silver Surfaces with Surface Plasmons", vol. 29, No. 9, Sep. 1984, Kexue Tongbao.
"JOSA Communications", vol. 1, No. 2/Apr. 1984/J. Opt. Soc Am. B, pp. 317-319, J. C. Quail et al.
Okada Yoshio
Takano Toshihiko
Lee John D.
Sharp Kabushiki Kaisha
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