Abstract
The XPM effect on optical 8-ary APSK (Amplitude- and Phase- Shift Keying) multilevel signals is experimentally investigated, for the first time. Its feasibility is demonstrated in 0.48 Tbit/s (30 Gbit/s/ch) 50-GHz-spaced 16-channel dense-WDM 160-km unrepeatered transmission.
© 2005 Optical Society of America
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