Acousto-optical tunable waveguide switch having balanced...

Details Acousto-optical tunable waveguide switch having balanced... Acousto-optical tunable waveguide switch having balanced...

H - Electricity

04

J

H04J 14/02 (2006.01) G02F 1/125 (2006.01) G02F 1/335 (2006.01) G02F 1/01 (2006.01)

Patent

CA 2187597

A wavelength selective acousto-optical waveguide device comprises a first and a second optical path in an optical waveguide having a length different by an amount corresponding to a value d = .lambda. (k + m) where d is the difference between the optical paths of the two waveguides, .lambda. is the wavelength of the optical signal, k is a number greater than 0 and less than 1; and m is 0 or a whole number, so as to create a phase shift between at least two parasitic components of the optical signal, such as to generate a destructive interference between the parasitic components.

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