Optical waveguides – With optical coupler – Switch
Reexamination Certificate
2005-05-10
2005-05-10
Kim, Ellen E. (Department: 2874)
Optical waveguides
With optical coupler
Switch
C385S017000, C385S037000
Reexamination Certificate
active
06891989
ABSTRACT:
The present invention discloses methods and apparatus for constructing optical switch systems, in which any input optical signals can be routed to any output ports. The methods and apparatus provide advantages of configuration flexibility, modular construction, constant signal loss, and minimal numbers of switch units required. The switch systems comprise M×N switch modules. The switch module in turn comprises a two-dimensional waveguide array and a number of waveguide grating-based wavelength selective switches. With the capability of wavelength-selective routing provided by the switch modules, the optical switch systems requires a relatively small amount of switch units to extend into a very-large-scale switch system.
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Chen Jinliang
Ling Peiching
Xu Ming
Zhang Jianjun
Integrated Optics Communications Corporation
Kim Ellen E.
Perkins Coie LLP
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