Impact of electrical band-limitation on transmission performance of CSRZ and CSRZ-DPSK modulation formats for high spectral efficiency DWDM systems

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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.
Publisher
IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
Issue Date
2005-05
Language
English
Article Type
Article
Keywords

SIGNALS

Citation

IEICE TRANSACTIONS ON COMMUNICATIONS, v.E88B, no.5, pp.1977 - 1985

ISSN
0916-8516
DOI
10.1093/ietcom/e88-b.5.1977
URI
http://hdl.handle.net/10203/90142
Appears in Collection
EE-Journal Papers(저널논문)
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