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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 14 — Jul. 12, 2004
  • pp: 3196–3203

All-optical passive clock extraction of 40 Gbit/s NRZ data using narrow-band filtering

Xiaoxu Li, Cheolhwan Kim, and Guifang Li  »View Author Affiliations


Optics Express, Vol. 12, Issue 14, pp. 3196-3203 (2004)
http://dx.doi.org/10.1364/OPEX.12.003196


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Abstract

A passive all-optical scheme for clock extraction from non return-to-zero (NRZ) data has been proposed based on narrow-band filtering. Two equally effective embodiments of the proposed scheme have been demonstrated experimentally. A carrier-to-noise ratio (CNR) of 30 dB has been achieved at 40 Gbit/s using fiber Bragg gratings (FBG).

© 2004 Optical Society of America

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(070.4560) Fourier optics and signal processing : Data processing by optical means
(070.4790) Fourier optics and signal processing : Spectrum analysis

ToC Category:
Research Papers

History
Original Manuscript: June 2, 2004
Revised Manuscript: July 2, 2004
Published: July 12, 2004

Citation
Xiaoxu Li, Cheolhwan Kim, and Guifang Li, "All-optical passive clock extraction of 40 Gbit/s NRZ data using narrow-band filtering," Opt. Express 12, 3196-3203 (2004)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-12-14-3196


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References

  1. H. J. Lee, H. G. Kim, J. Y. Choi, and H. K. Lee, ???All-optical clock recovery from NRZ data with simple NRZ-to-PRZ converter based on self-phase modulation of semiconductor optical amplifier, ??? Electron. Lett. 35, 989-990 (1999) [CrossRef]
  2. W. Mao, M. Al-Mumin, X. Wang, and G. Li, ???All-optical enhancement of clock and clock-to-data suppression ratio of NRZ data,??? IEEE Photon. Technol. Lett. 13, 239-241 (2001) [CrossRef]
  3. A. Bilenca, D. Dahan, J. Lasri, G. Eisenstein, and D. Ritter, ???High bit rate clock recovery of NRZ data by all-optical processing in a semiconductor optical amplifier and direct optical injection locking of a selfoscillating phototransistor, ???IEEE Photon. Technol. Lett. 14, 399-401 (2002) [CrossRef]
  4. H. K. Lee, C. H. Lee, S. B. Kang, M. Y. Jeon, K. H. Kim, J. T. Ahn, and E. H. Lee, ???All-fibre-optic clock recovery from non-return-to-zero format data,??? Electron. Lett. 34, 478-480 (1998). [CrossRef]
  5. C. H. Lee, and H. K. Lee, ???Passive all-optical clock signal extractor for non-return-to-zero signals,??? Electron. Lett. 34, 295-297 (1998). [CrossRef]
  6. S. B. Jun, K. J. Park, H. Kim, H. S. Chung, J. H. Lee, and Y. C. Chung, ???Passive optical NRZ-to-RZ converter,??? in Optical Fiber Communications Conference (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 2004), Paper ThN1
  7. B. Franz, ???Optical signal processing for very high speed (>40 Gbit/s) ETDM binary NRZ clock recovery,??? in Optical Fiber Communications Conference (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 2001), Paper MG1.
  8. W. Hong, D. Huang, F. Cai, and Y. Wang, ???Simultaneous clock component extraction and wavelength conversion of NRZ signal using an SOA loop mirror,??? IEEE Photon. Technol. Lett. 16, 1116-1118 (2004) [CrossRef]
  9. P. E. Barnsley, and P. J. Fiddyment, ???Clock extraction using saturable absorption in a semiconductor nonlinear optical amplifier,??? IEEE Photon. Technol. Lett. 3, 832-834 (1991) [CrossRef]

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