Optical packet routing network system based on optical label...

Details Optical packet routing network system based on optical label... Optical packet routing network system based on optical label...

2006-10-10

2006-10-10

Sedighian, M. R. (Department: 2613)

Optical communications

Multiplex

Optical switching

C398S031000, C398S032000, C398S033000, C398S057000, C398S079000

Reexamination Certificate

active

07120358

ABSTRACT:
An optical communication equipment comprises shared optical sources88a–88dto be shared by communication nodes100a–100d, the wavelengths of optical signals76a–76dare converted into desired wavelengths λa–λd according to the addressed information of the corresponding optical label signals77a–77dby using the shared optical sources88a–88d,and routed to the addressed communication nodes without being converted into electrical signals by using the wavelength routing function of the cyclic-wavelength arrayed-waveguide grating (AWG)120. The load of each communication node can be reduced by incorporating the multi-wavelength optical sources, which can be shared among individual communication nodes, into the router80. Further, each communication node is provided with an optical gate or the like for returning the optical signal to the communication node from which the optical signal has been transmitted through the router80in order to adjust the transmission time lag between the optical signal and the corresponding optical label signal by the controllers110a–110d.

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