Optical cross-connecting device

Details Optical cross-connecting device Optical cross-connecting device

H - Electricity

04

Q

H04Q 3/52 (2006.01) G02B 6/293 (2006.01) H04J 14/02 (2006.01) H04Q 11/00 (2006.01)

Patent

CA 2360695

An optical cross-connecting device is small in scale of a switch even when a wavelength multiplexed signal to be transmitted through an optical fiber is high density and wide range. Switching of the wavelength multiplexed signals is performed in a first optical switch, switching per wavelength group in a second optical switch is performed for only signals required switching for smaller granularity, and switching per wavelength signals in a third optical switch is performed for only signals required switching for smaller granularity to from the opticall cross-connecting device. By this, even when the wavelength multiplexed signal to be transmitted through the optical fiber is high density and wide band, the optical cross-connecting device can be small in scale of a switch.

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