Dispersion Tolerant 80-Gbit/s Carrier-Suppressed Return-to-Zero (CS-RZ) Format Generated by Using Phase- and Duty-Controlled Optical Time Division Multiplexing (OTDM) Technique

Akira HIRANO  Masaki ASOBE  Kenji SATO  Yutaka MIYAMOTO  Kazushige YONENAGA  Hiroshi MIYAZAWA  Makoto ABE  Hidehiko TAKARA  Ippei SHAKE  

Publication
IEICE TRANSACTIONS on Communications   Vol.E85-B   No.2   pp.431-437
Publication Date: 2002/02/01
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on 40 Gbit/s Optical Transmission Technologies)
Category: 
Keyword: 
CS-RZ,  OTDM,  dispersion tolerance,  PLC,  

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Summary: 
We achieved a dispersion tolerance of 25-ps/nm at 80-Gbit/s using novel carrier-suppressed return-to-zero (CS-RZ) coding realized by duty ratio and optical multiplexing phase control. We also show that the dispersion tolerance strongly depends on the relative optical phase difference between adjacent time slots, and demonstrate 80-Gbit/s 60-km DSF transmission without dispersion compensation by using a newly-fabricated stable 80-Gbit/s OTDM transmitter.