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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 9, Iss. 1 — Jan. 10, 2011
  • pp: 010602–

A novel scheme to generate 40-GHz CSRZ pulse trains using a 10-GHz dual-parallel Mach-Zehnder modulator

Yanfei Xing and Caiyun Lou  »View Author Affiliations

Chinese Optics Letters, Vol. 9, Issue 1, pp. 010602- (2011)

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A new technique to generate 40-GHz carrier-suppressed return-to-zero (CSRZ) optical pulse trains using only a 10-GHz dual-parallel Mach-Zehnder modulator (MZM) is presented and experimentally demonstrated. The spectrum of the generated CSRZ pulses is calculated by simulation and compared with conventional MZM-based RZ and CSRZ pulse trains. The experimental results demonstrate that CSRZ pulse trains are obtained, and that the carrier and the unwanted 20-GHz low-frequency component are suppressed by 25 dB. The technique can also be extended to 160-GHz CSRZ pulse generation when 40-GHz devices are employed.

© 2011 Chinese Optics Letters

OCIS Codes
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(320.5550) Ultrafast optics : Pulses

Yanfei Xing and Caiyun Lou, "A novel scheme to generate 40-GHz CSRZ pulse trains using a 10-GHz dual-parallel Mach-Zehnder modulator," Chin. Opt. Lett. 9, 010602- (2011)

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