Wavelength conversion element

Details Wavelength conversion element Wavelength conversion element

1991-11-29

1994-08-09

Ullah, Akm E.

Optical waveguides

Having nonlinear property

385 14, 359326, G02B 602, H03F 700

Patent

active

053373995

ABSTRACT:
A wavelength conversion element comprises a laser oscillation portion provided with an active layer waveguide formed of a material of III-V group in a periodic table and an output waveguide path portion provided with an output waveguide. The output waveguide path portion is further provided with a buffer layer between the output waveguide and the active layer waveguide having a thickness suitable for propagation of an evanecsent wave from the active layer waveguide to the output waveguide. In result, a wavelength conversion efficiency of a second harmonic can be remarkably improved, and a process of manufacturing the wavelength conversion element becomes more easy.

REFERENCES:
patent: 3877052 (1975-04-01), Dixon et al.
patent: 3980392 (1976-09-01), Auracher
patent: 4715672 (1987-12-01), Duguay et al.
patent: 4991931 (1991-02-01), Harada et al.
patent: 5011250 (1991-04-01), Okada et al.
patent: 5013129 (1991-05-01), Harada et al.
patent: 5028107 (1991-07-01), Bierlein et al.
patent: 5091984 (1992-02-01), Kobayashi et al.
patent: 5096277 (1992-03-01), Kleinerman

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