Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1988-08-18
1990-01-30
Lee, John D.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307427, 307430, G02B 610, G02F 135
Patent
active
048969311
ABSTRACT:
A device for doubling the frequency of electromagnetic radiation. The device includes a non-linear substrate having a non-linear optical waveguide of a differing refractive index disposed thereon. The waveguide layer includes an inverted polarization interface at which the direction of polarization of the waveguide abruptly changes in sign. Radiation directed across the device parallel to the plane of the inverted polarization interface will be doubled in frequency by the interface. The inverted polarization interface may be achieved in a number of ways. The interface may be directly grown on the substrate or a single layer waveguide may be cleaved and flipped over upon itself. Finally, the waveguide may be formed by the growth of asymmetric mirror image quantum wells on either side of a plane to form the interface.
REFERENCES:
patent: 3384433 (1968-05-01), Bloembergen
patent: 3842289 (1974-10-01), Yariv et al.
patent: 3988593 (1976-10-01), Dewey, Jr.
patent: 3995937 (1976-12-01), Baues et al.
patent: 4041323 (1977-08-01), Sturmer
patent: 4221981 (1980-09-01), Deserno
patent: 4427260 (1984-01-01), Puech et al.
patent: 4749245 (1988-06-01), Kawatsuki et al.
"Nonlinear Optical Effects in Rotationally-Twinned Crystals" C. Forbes Dewey, Jr.; Rev. de Phsique Applique, vol. 12, Feb. 1977, pp. 405-409.
"Second-Order Susceptibility of Asymmetric Coupled Quantum Well Structures", J. Khurgin; Appl. Phys. Letter 51(25), Dec. 1987, pp. 2100-2102.
Botjer William L.
Heartney Phan T.
Lee John D.
North American Philips Corp.
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