Acoustooptical waveguide device for wavelength selection

Details Acoustooptical waveguide device for wavelength selection Acoustooptical waveguide device for wavelength selection

G - Physics

02

F

G02F 1/125 (2006.01) H04J 14/02 (2006.01) G02F 1/01 (2006.01) G02F 1/313 (2006.01)

Patent

CA 2174070

An acoustooptical wavelength device for wavelength selection comprising one substrate (30) of a birefringent and photoelastic material on which there is formed: a first and a 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 (35, 36) travelled 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 (40); at least one optical waveguide carrying one polarizer (37) being finally provided downstream of the second stage.

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