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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 15 — Jul. 20, 2009
  • pp: 12555–12563

All-optical 40 Gbit/s CSRZ-DPSK logic XOR gate and format conversion using four-wave mixing

Jian Wang, Qizhen Sun, and Junqiang Sun  »View Author Affiliations

Optics Express, Vol. 17, Issue 15, pp. 12555-12563 (2009)

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We report simultaneous logic XOR gate for carrier-suppressed return-to-zero differential phase-shift keying (CSRZ-DPSK) and format conversion from CSRZ-DPSK to return-to-zero differential phase-shift keying (RZ-DPSK) by exploiting non-degenerate four-wave mixing (FWM) in a highly nonlinear fiber (HNLF). We derive analytical solutions to complex amplitudes under non-depletion approximation to show the principle of operation and verify the CSRZ-DPSK logic XOR gate and format conversion by theoretical analyses. Three converted idlers are obtained by three non-degenerate FWM processes. All-optical 40 Gbit/s simultaneous multicasting CSRZ-DPSK logic XOR gate and CSRZ-DPSK to RZ-DPSK format conversion are successfully demonstrated in the experiment.

© 2009 Optical Society of America

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(130.3750) Integrated optics : Optical logic devices
(190.4360) Nonlinear optics : Nonlinear optics, devices
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing

ToC Category:
Nonlinear Optics

Original Manuscript: April 13, 2009
Revised Manuscript: May 23, 2009
Manuscript Accepted: June 9, 2009
Published: July 9, 2009

Jian Wang, Qizhen Sun, and Junqiang Sun, "All-optical 40 Gbit/s CSRZ-DPSK logic XOR gate and format conversion using four-wave mixing," Opt. Express 17, 12555-12563 (2009)

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