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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 4, Iss. 4 — Apr. 1, 2006
  • pp: 199–201

Performance evaluation of modulation formats in 40*40-Gb/s WDM repeaterless transmission systems

Guangshan Lu, Kun Xu, Jian Wu, and Jintong Lin  »View Author Affiliations


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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