Programmable wavelength router

Details Programmable wavelength router Programmable wavelength router

1999-01-29

1999-11-02

Chan, Jason

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359124, 359115, 359127, 359116, H04J 1400, H04J 1402

Patent

active

059781165

ABSTRACT:
A programmable wavelength router having a plurality of cascaded stages where each stage receives one or more optical signals comprising a plurality of wavelength division multiplexed (WDM) channels. Each stage divides the received optical signals into divided optical signals comprising a subset of the channels and spatially positions the divided optical signals in response to a control signal applied to each stage. Preferably each stage divides a received WDM signal into two subsets that are either single channel or WDM signals. A final stage outputs optical signals at desired locations. In this manner, 2.sup.N optical signals in a WDM signal can be spatially separated and permuted using N control signals.

REFERENCES:
patent: 5414541 (1995-05-01), Patel et al.
patent: 5606439 (1997-02-01), Wu
patent: 5694233 (1997-12-01), Wu et al.
patent: 5867291 (1999-02-01), Wu et al.

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