Method for remodulation of a modulated optical signal and...

Details Method for remodulation of a modulated optical signal and... Method for remodulation of a modulated optical signal and...

2007-06-05

2007-06-05

Sedighian, M. R. (Department: 2613)

Optical communications

Transmitter and receiver system

Including synchronization

C398S082000, C398S092000, C398S157000, C398S160000, C359S334000, C359S341300

Reexamination Certificate

active

10373023

ABSTRACT:
A method for remodulation of a modulated optical signal is disclosed which uses a disturbed line signal and an optical clock signal derived from the undisturbed original line signal modulated with the bitrate frequency feeding both signals in a Raman amplifying fiber connected to at least one Raman pump running the clock signal as Raman pump wavelength for the line signal.

REFERENCES:
patent: 5457559 (1995-10-01), Saito et al.
patent: 6657777 (2003-12-01), Meli et al.
patent: 2002/0191277 (2002-12-01), Chen et al.
patent: 0 975 106 (2001-12-01), None
patent: WO 99/21316 (1999-04-01), None
patent: WO 02/13423 (2002-02-01), None
Lee J. H. et al: “A Holey Fibre Raman Amplifier and All-Optical Modulator” Optical Communication 2001, ECOC '01, vol. 6, Sep. 30, 2001-Oct. 4, 2001, pp. 46-47, XP002214540.

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