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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 12 — Jun. 15, 2006
  • pp: 1782–1784

Nonlinear polarization rotation in a dispersion-flattened photonic-crystal fiber for ultrawideband ( > 100 nm ) all-optical wavelength conversion of 10 Gbit s nonreturn-to-zero signals

C. H. Kwok, C. W. Chow, H. K. Tsang, Chinlon Lin, and A. Bjarklev  »View Author Affiliations

Optics Letters, Vol. 31, Issue 12, pp. 1782-1784 (2006)

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We study the conversion bandwidth of the cross-polarization-modulation (XPoIM)-based wavelength conversion scheme with a dispersion-flattened highly nonlinear photonic-crystal fiber for signals with a nonreturn-to-zero (NRZ) modulation format. Both theoretical and experimental results show that the conversion bandwidth can be extended to cover a very wide band, including S-, C-, and L-bands for 10 Gbit s NRZ signals (a total bandwidth of 120 nm is experimentally demonstrated). We also study the theoretical bandwidth limit for 40 Gbit s NRZ signals. A significant extension of the conversion bandwidth using the XPoIM approach compared with the four-wave mixing approach previously reported is demonstrated.

© 2006 Optical Society of America

OCIS Codes
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(060.7140) Fiber optics and optical communications : Ultrafast processes in fibers
(190.2620) Nonlinear optics : Harmonic generation and mixing

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: January 12, 2006
Revised Manuscript: March 15, 2006
Manuscript Accepted: March 29, 2006

C. H. Kwok, C. W. Chow, H. K. Tsang, Chinlon Lin, and A. Bjarklev, "Nonlinear polarization rotation in a dispersion-flattened photonic-crystal fiber for ultrawideband (>100 nm) all-optical wavelength conversion of 10 Gbit/s nonreturn-to-zero signals," Opt. Lett. 31, 1782-1784 (2006)

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