Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1989-06-19
1991-07-23
Ullah, Akm
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307425, G02B 610, H03F 700
Patent
active
050338102
ABSTRACT:
An optical device has multilayer films formed by periodically laminating a number of layers each comprising at least two kinds of optical crystal thin films (f.sub.n, g.sub.n) having different refractive indices onto a substrate. The multilayer films include a semiconductor material having a large non-linear optical coefficient as a composing material and have artificial optical anisotropy. Since the multilayer films of the optical device have a large non-linear coefficient and optical anisotropy, a non-linear phenomenon such as second-harmonic generation or the like can be efficiently caused.
REFERENCES:
patent: 4763019 (1988-08-01), Duguay et al.
IEEE "Journal of Quantum Electronics", vol. QE-7, No. 11, Nov. 1971, pp. 523-529.
"Soviet Physics JETP", vol. 2, No. 3, 1956, pp. 466-475.
Inoue Hiroaki
Ishida Koji
Ogawa Kensuke
Hitachi , Ltd.
Ullah Akm
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