We successfully demonstrated superimposing DPSK over inverse-RZ using SOA-XGM for 2-bit per symbol modulation/demodulation at 20-Gbit/s to simply double spectral efficiency. Error free operation less than 10/sup -12/ was achieved for both RZ and DPSK signals.
2-bit per symbol modulation/demodulation by DPSK over inverse-RZ optical pulses
Conference on Lasers and Electro-Optics, 2004. (CLEO). ; 2 ; 2 pp. vol.2
2004-01-01
113958 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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