Optical wavelength multiplexing FSK modulation method

Details Optical wavelength multiplexing FSK modulation method Optical wavelength multiplexing FSK modulation method

2005-02-14

2008-09-02

Phan, Hanh (Department: 2613)

Optical communications

Transmitter

Having particular modulation

C398S182000, C398S184000, C398S185000, C398S186000, C398S187000, C398S188000, C398S192000, C398S193000, C398S194000, C398S200000, C398S201000, C398S202000, C398S079000, C398S081000, C398S147000, C398S158000, C398S159000, C398S091000, C398S141000, C398S140000

Reexamination Certificate

active

07421209

ABSTRACT:
An optical wavelength multiplexing frequency shift keying modulation system. The system includes an optical wavelength multiplexing signal acquisition unit for outputting an optical wavelength multiplexing signal. A n optical frequency shift keying modulation unit acquires an optical frequency shift keying signal, including an upper side band signal and a lower side band signal, by performing frequency modulation to the optical wavelength multiplexing signal output from the optical wavelength multiplexing signal acquisition unit. An optical frequency shift keying signal separation unit separates the optical frequency shift keying signal output from the optical frequency shift keying modulation unit into an upper side band signal and a lower side band signal.

REFERENCES:
patent: 5440415 (1995-08-01), Mekawi et al.
patent: 5793512 (1998-08-01), Ryu
patent: 2005/0111853 (2005-05-01), Kawanishi et al.
patent: 2005-134897 (2005-05-01), None

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