Wavelength division multiplexing transmitter receiver, optical t

Details Wavelength division multiplexing transmitter receiver, optical t Wavelength division multiplexing transmitter receiver, optical t

1997-07-18

1999-09-07

Negash, Kinfe-Michael

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359110, 359152, 370221, H04J 1402, H04B 1008

Patent

active

059495634

ABSTRACT:
For wavelength division multiplexing transmission, a standby-system processor capable of handling all wavelengths is included in relation to a plurality of working system processors associated with different wavelengths. If any of the plurality of working system processors fails, the wavelength of a light wave to be processed by the standby-system processor is controlled according to the wavelength being handled by a current- system processor that has failed. A switching unit switches the working system processor that has failed to the standby-system processor.

REFERENCES:
patent: 4306313 (1981-12-01), Baldwin
patent: 5069521 (1991-12-01), Hardwick
patent: 5299293 (1994-03-01), Mestdagh et al.
patent: 5327275 (1994-07-01), Yamane et al.

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