Method and apparatus for channel selective control of light...

Details Method and apparatus for channel selective control of light... Method and apparatus for channel selective control of light...

2006-02-28

2006-02-28

Connelly-Cushwa, Michelle (Department: 2874)

Optical waveguides

With optical coupler

Input/output coupler

C385S010000, C385S028000, C385S030000

Reexamination Certificate

active

07006733

ABSTRACT:
A variable optical device for selectively controlling propagation of light within an optical waveguide. The optical device comprises: a relief modulation defining a grating disposed proximal the waveguide and having a respective grating index of refraction nG; a matrix surrounding at least the relief modulation, the matrix having an index of refraction nEOthat is controllable, in response to a selected stimulus between a first value that is substantially equal to the grating index of refraction nG, and a second value that is different from nG; and at least one electrode for supplying the selected stimulus to the matrix-grating system.

REFERENCES:
patent: 4097117 (1978-06-01), Neil et al.
patent: 4227769 (1980-10-01), Phillips et al.
patent: 4986624 (1991-01-01), Sorin et al.
patent: 6058226 (2000-05-01), Starodubov
patent: 6522795 (2003-02-01), Jordan et al.
patent: 6628850 (2003-09-01), Yao

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