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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 3, Iss. 7 — Jul. 10, 2005
  • pp: 386–388

Impact of cascaded thin-film filters on metro networks employing NRZ, LPF-DB, and CSRZ formats

Yue Wang, Weisheng Hu, Yikai Su, Zheng Zheng, Lufeng Leng, Benyuan Zhu, Peigang Hu, Wei Guo, and Yaohui Jin  »View Author Affiliations


Chinese Optics Letters, Vol. 3, Issue 7, pp. 386-388 (2005)


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Abstract

We studied the transmission performance of metro networks employing cascaded thin-film filters (TFFs) for three modulation formats including non-return-to-zero (NRZ), duobinary, and carrier-suppressed RZ (CSRZ). The effects caused by TFFs' dispersion and passband characteristics are investigated for 10- and 40-Gb/s signals, respectively. Simulation results show that the penalty resulted from dispersion can be partially compensated by the passband effects of the cascaded filters. CSRZ is shown to be a preferred format compared with NRZ and duobinary primarily originating from its good back-to-back performance.

© 2005 Chinese Optics Letters

OCIS Codes
(060.4080) Fiber optics and optical communications : Modulation
(060.4510) Fiber optics and optical communications : Optical communications
(120.2440) Instrumentation, measurement, and metrology : Filters

Citation
Yue Wang, Weisheng Hu, Yikai Su, Zheng Zheng, Lufeng Leng, Benyuan Zhu, Peigang Hu, Wei Guo, and Yaohui Jin, "Impact of cascaded thin-film filters on metro networks employing NRZ, LPF-DB, and CSRZ formats," Chin. Opt. Lett. 3, 386-388 (2005)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-3-7-386

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