Optical time division multiplexing/demultiplexing system

Details Optical time division multiplexing/demultiplexing system Optical time division multiplexing/demultiplexing system

2006-08-22

2006-08-22

Phan, Hanh (Department: 2638)

Optical communications

Multiplex

Time division

C398S075000, C398S079000, C398S098000, C398S045000, C398S161000, C385S016000, C385S005000, C385S023000, C385S039000

Reexamination Certificate

active

07095959

ABSTRACT:
A multiplexing/demultiplexing system has a multiplexor that includes a first plurality of optical switches having a plurality of outputs and a first plurality of optical delay elements coupled to the optical switches. A source of optical light is coupled to the delay elements, and an optical combiner is coupled to the plurality of outputs and a source of framing pulses. A demultiplexor includes a first and second splitter, and a threshold detector coupled to the first splitter. The demultiplexor further includes a second plurality of optical delay elements coupled to the threshold detector, and a second plurality of optical switches coupled to the second splitter and the second plurality of delay elements.

REFERENCES:
patent: 5493433 (1996-02-01), Prucnal et al.
patent: 5535032 (1996-07-01), Bottle
patent: 5703708 (1997-12-01), Das et al.
patent: 6178022 (2001-01-01), Yoneyama
patent: 6262823 (2001-07-01), Nowatzyk
patent: 6274323 (2001-08-01), Bruchez et al.
patent: 6323983 (2001-11-01), Yamaguchi

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