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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 13 — Jun. 20, 2011
  • pp: 12427–12433

Simultaneous all-optical demodulation and format conversion for multi-channel (CS)RZ-DPSK signals

Zheng Zhang, Yu Yu, and Xinliang Zhang  »View Author Affiliations


Optics Express, Vol. 19, Issue 13, pp. 12427-12433 (2011)
http://dx.doi.org/10.1364/OE.19.012427


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Abstract

We proposed and demonstrate an all-optical demodulation and format conversion scheme for multi-channel (carrier suppressed) return-to-zero differential phase shift keying ((CS)RZ-DPSK) signals. By utilizing a single delay interferometer (DI) with half bit delay, multi-channel (CS)RZ-DPSK signals can be demodulated simultaneously at the destructive port of the DI, with the corresponding converted nonreturn-to-zero differential phase shift keying (NRZ-DPSK) signals obtained at the constructive port. The proposed multi-channel operation has been demonstrated for 6*20 Gb/s RZ-DPSK and 6*40 Gb/s CSRZ-DPSK signals, with ~0.8 and 1.2 dB average power penalties for the format conversions respectively.

© 2011 OSA

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4080) Fiber optics and optical communications : Modulation
(070.4560) Fourier optics and signal processing : Data processing by optical means

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: March 2, 2011
Revised Manuscript: May 21, 2011
Manuscript Accepted: May 22, 2011
Published: June 13, 2011

Citation
Zheng Zhang, Yu Yu, and Xinliang Zhang, "Simultaneous all-optical demodulation and format conversion for multi-channel (CS)RZ-DPSK signals," Opt. Express 19, 12427-12433 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-13-12427


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