Acoustooptical waveguide device for wavelength selection and pro

Details Acoustooptical waveguide device for wavelength selection and pro Acoustooptical waveguide device for wavelength selection and pro

1996-04-01

1998-07-14

Healy, Brian

Optical waveguides

Directional optical modulation within an optical waveguide

Acousto-optic

385 9, 385 10, 385 14, 385 15, 385 39, 385 40, 385 41, 385130, 385131, 385132, 385 11, 437 51, 437101, 437141, G02F 1335, H01L 2170

Patent

active

057816697

ABSTRACT:
An acoustooptical wavelength device for wavelength selection includes one substrate of a birefringent and photoelastic material on which there is formed: first and second rotation stages of the polarization plane of an optical signal in a first wavelength interval, wherein each stage comprises at least one optical waveguide traveled over by the signal; at least one optical waveguide, connecting the two stages and carrying one single polarizer consisting of an evanescent-wave polarization coupler; and at least one optical waveguide carrying one polarizer being finally provided downstream of the second stage.

REFERENCES:
patent: 3909108 (1975-09-01), Taylor
patent: 4387353 (1983-06-01), Giallorenzi et al.
patent: 4390236 (1983-06-01), Alferness
patent: 4533207 (1985-08-01), Alferness
patent: 5002349 (1991-03-01), Cheung et al.
patent: 5218653 (1993-06-01), Johnson et al.
patent: 5400171 (1995-03-01), Song
patent: 5455877 (1995-10-01), Baran et al.
Journal of Lightwave Technology, Jul. 1994, USA vol. 12, No. 7.
Electronics Letters, 26 Mar. 1992, UK, vol. 28, No. 7.
IBM Technical Disclosure Bulletin vol. 35, No. 3, Aug. 1992.

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