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IEICE TRANSACTIONS on Communications

Impact of Electrical Band-Limitation on Transmission Performance of CSRZ and CSRZ-DPSK Modulation Formats for High Spectral Efficiency DWDM Systems

Dong-Soo LEE, Yang Jing WEN, Je Soo KO, Man Seop LEE, Ampalavanapillai NIRMALATHAS

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Summary :

We investigate the impact of electrical band-limitation on the transmission performance of both carrier suppressed return-to-zero (CSRZ) and CSRZ differential phase shift keying (CSRZ-DPSK) format for high spectral efficiency DWDM systems. Results show that electrical band-limitation improves signal spectral compactness, leading to reduced linear crosstalk and improved tolerance against chromatic dispersion in optical fiber link without causing any degradation to fiber nonlinearity tolerance. In addition, it is shown that the electrical band-limitation is more efficient to CSRZ-DPSK signal than CSRZ signal in reducing signal degradation caused by linear crosstalk and fiber chromatic dispersion.

Publication
IEICE TRANSACTIONS on Communications Vol.E88-B No.5 pp.1977-1985
Publication Date
2005/05/01
Publicized
Online ISSN
DOI
10.1093/ietcom/e88-b.5.1977
Type of Manuscript
Special Section PAPER (Joint Special Section on Recent Progress in Optoelectronics and Communications)
Category
Transmission Systems and Technologies

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