Optical time-division multiplex signal processing apparatus...

Details Optical time-division multiplex signal processing apparatus... Optical time-division multiplex signal processing apparatus...

2006-10-17

2006-10-17

Singh, Dalzid (Department: 2613)

Optical communications

Multiplex

Time division

C398S081000, C398S102000, C398S147000, C398S148000, C398S159000, C398S161000

Reexamination Certificate

active

07123838

ABSTRACT:
An optical time-division multiplex signal processing apparatus includes an optical dispersion part providing optical dispersion to an optical time-division multiplex signal and an optical clock signal, an optical detector coupled optically to the optical dispersion part for detecting a beat signal formed between the optical time-division multiplex signal and the clock signal in a superposed state, and a filter connected to an output terminal of the optical detector for filtering out an electric signal of a desired frequency band from an output electric signal of said optical detector.

REFERENCES:
patent: 5926297 (1999-07-01), Ishikawa et al.
patent: 6456411 (2002-09-01), Ishikawa et al.
patent: 6587242 (2003-07-01), Shake et al.
patent: 6661974 (2003-12-01), Akiyama et al.

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