Title :
Return-to-zero quaternary differential-phase amplitude-shift-keying for long-haul transmission
Author :
Liu, X. ; Wei, X. ; Kao, Y.-H. ; Leuthold, Juerg ; Doerr, C.R. ; Su, Y. ; Mollenauer, L.F.
Author_Institution :
Lucent Technol. Bell Labs., Holmdel, NJ, USA
Abstract :
Return-to-zero (RZ) quaternary differential-phase ASK modulation with 20-Gb/s aggregate data-rate is implemented with both optical and electrical RZ pulse generation. A simple pre-chirping scheme is proposed to improve its nonlinear tolerance in long-haul transmission.
Keywords :
amplitude shift keying; nonlinear optics; optical fibre communication; optical modulation; optical pulse generation; 20 Gbit/s; ASK; electrical RZ pulse generation; long-haul transmission; nonlinear tolerance; optical RZ pulse generation; pre-chirping scheme; quaternary differential-phase amplitude-shift-keying; return-to-zero;
Conference_Titel :
Optical Fiber Communication Conference, 2004. OFC 2004
Print_ISBN :
1-55752-772-5
