Performance evaluation of modulation formats in 40*40-Gb/s WDM repeaterless transmission systems
Chinese Optics Letters, Vol. 4, Issue 4, pp. 199-201 (2006)
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Abstract
Transmission performance of six modulation formats is numerically compared in 40*40-Gb/s wavelength division multiplexing (WDM) repeaterless systems. The results indicate that return-to-zero differential phase shift keying (RZ-DPSK) (33% duty cycle) demonstrates the best performance among all the formats when the accumulated amplified spontaneous emission power (AASEP) is small. But with the increasing of AASEP, the superiority of RZ-DPSK transmission performance over the other five modulation formats is vanished. AASEP is justified to be the major source for the deterioration of the superiority.
© 2005 Chinese Optics Letters
OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.4080) Fiber optics and optical communications : Modulation
(120.4820) Instrumentation, measurement, and metrology : Optical systems
Citation
Guangshan Lu, Kun Xu, Jian Wu, and Jintong Lin, "Performance evaluation of modulation formats in 40*40-Gb/s WDM repeaterless transmission systems," Chin. Opt. Lett. 4, 199-201 (2006)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-4-4-199
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