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Optics Express

Optics Express

  • Vol. 16, Iss. 16 — Aug. 4, 2008
  • pp: 12039–12049

Polarization-insensitive, 40 Gb/s wavelength and RZ-OOK-to-RZ-BPSK modulation format conversion by XPM in a highly nonlinear PCF

W. Astar, C.-C. Wei, Y.-J. Chen, J. Chen, and G. M. Carter  »View Author Affiliations

Optics Express, Vol. 16, Issue 16, pp. 12039-12049 (2008)

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Polarization-insensitive wavelength conversion, as well as the conversion of return-to-zero (RZ) ON-OFF keying (RZ-OOK) to RZ binary phase-shift keying (RZ-BPSK), has been simultaneously achieved at 40 Gb/s for the first time by cross-phase modulation (XPM) in a highly birefringent, nonlinear photonic crystal fiber (PCF). A 10−9-BER receiver sensitivity conversion penalty of < 3 dB was achieved for a polarization scrambled, 40 Gb/s 25%-RZ-OOK pump, when the 40 Gb/s RZ probe was launched at 45° with respect to the birefringence axes of the PCF and when the pump-probe detuning was greater than about 6 nm.

© 2008 Optical Society of America

OCIS Codes
(060.5060) Fiber optics and optical communications : Phase modulation
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(260.1440) Physical optics : Birefringence
(230.7405) Optical devices : Wavelength conversion devices

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: May 20, 2008
Revised Manuscript: July 15, 2008
Manuscript Accepted: July 22, 2008
Published: July 28, 2008

W. Astar, C.-C. Wei, Y.-J. Chen, J. Chen, and G. M. Carter, "Polarization-insensitive, 40 Gb/s wavelength and RZ-OOK-to-RZ-BPSK modulation format conversion by XPM in a highly nonlinear PCF," Opt. Express 16, 12039-12049 (2008)

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