Abstract

We have experimentally demonstrated what to our knowledge is a novel framing-recognition and performance-monitoring scheme for the synchronous optical network (SONET) using the radio-frequency spectral analysis and taking advantage of the intrinsic data structure of the SONET signal itself. This scheme does not require access to individual bits or recovered clock and data. It can recognize SONET frame-alignment sequences and generate framing pulses correspondingly. It also provides an analog indicator that varies monotonically with the in-band signal-to-noise ratio and hence the channel bit error rate. In principle the proposed scheme can be scaled to data rates of OC-192 and higher.

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  1. “Synchronous optical network (SONET) transport systems: common generic criteria,” GR-253 CORE (Bellcore, 1989), <a href="http://www.telcordia.com/">http://www.telcordia.com/</a>.
  2. D. Kong, “2.488 Gb/s SONET multiplexer/demultiplexer with frame detection capability,” IEEE J. Sel. Areas Commun. 9, 726–731 (1991).
  3. M. Bagheri, D. Kong, J. Hacker, K. Schneider, and J. Chow, “10 Gb/s framer/demultiplexer IC for SONET STS-192 applications,” in Proceedings of the IEEE 1995 Custom Integrated Circuits Conference (Institute of Electrical and Electronics Engineers, New York, 1995), pp. 427–430.
  4. M. Jinno and M. Abe, “All-optical regenerator based on nonlinear fiber sagnac interferometer,” Electron. Lett. 28, 1350–1352 (1992).
  5. V. I. Belotitskii, E. A. Kuzin, M. P. Petrov, and V. V. Spirin, “Demonstration of over 100 million round trips in recirculating fiber loop with all-optical regeneration,” Electron. Lett. 29, 49–50 (1993).
  6. P. S. Cho, P. Sinha, D. Mahgerefteh, and G. M. Carter, “All-optical regeneration at the receiver of 10-Gb/s RZ data transmitted over 30,000 km using an electroabsorption modulator,” IEEE Photon. Technol. Lett. 12, 205–207 (2000).
  7. D. Wolfson, A. Kloch, T. Fjelde, C. Janz, B. Dagens, and M. Renaud, “40-Gb/s all-optical wavelength conversion, regeneration, and demultiplexing in an SOA-based all-active Mach–Zehnder interferometer,” IEEE Photon. Technol. Lett. 12, 332–334 (2000).
  8. O. Leclerc, P. Brindel, D. Rouvillain, B. Dany, E. Pincemin, E. Desurvire, C. Duchet, A. Shen, F. Blache, F. Devaux, A. Coquelin, M. Goix, S. Bouchoule, and P. Nouchi, “Dense WDM (0.27bit./s/Hz) 4×40Gbit/s dispersion-managed transmission over 10000 km with in-line optical regeneration by channel pairs,” Electron. Lett. 36, 337–338 (2000).
  9. O. Leclerc, B. Dany, D. Rouvillain, P. Brindel, E. Desurvire, C. Duchet, A. Shen, F. Devaux, A. Coquelin, M. Goix, S. Bouchoule, and P. Nouchi, “Simultaneously regenerated 4×40Gbit/s dense WDM transmission over 10,000 km using single 40GHz InnP Mach–Zehnder modulator,” Electron. Lett. 36, 1574–1575 (2000).
  10. W. Yang and J. H. Sinsky, “SONET framing recognition using modulation domain analysis,' IEEE Photon. Technol. Lett. 13, 1127–1129 (2001).
  11. W. Yang and J. H. Sinsky, “SONET OC-N (N is greater than or equal to 3) framing recognition using spectral analysis of optical signal,” U.S. patent pending (application date, 9 March 2001).
  12. W. Yang, “Sensitivity issues of optical performance monitoring,” IEEE Photon. Technol. Lett. 14, 107–109 (2002).

Electron. Lett. (4)

M. Jinno and M. Abe, “All-optical regenerator based on nonlinear fiber sagnac interferometer,” Electron. Lett. 28, 1350–1352 (1992).

V. I. Belotitskii, E. A. Kuzin, M. P. Petrov, and V. V. Spirin, “Demonstration of over 100 million round trips in recirculating fiber loop with all-optical regeneration,” Electron. Lett. 29, 49–50 (1993).

O. Leclerc, P. Brindel, D. Rouvillain, B. Dany, E. Pincemin, E. Desurvire, C. Duchet, A. Shen, F. Blache, F. Devaux, A. Coquelin, M. Goix, S. Bouchoule, and P. Nouchi, “Dense WDM (0.27bit./s/Hz) 4×40Gbit/s dispersion-managed transmission over 10000 km with in-line optical regeneration by channel pairs,” Electron. Lett. 36, 337–338 (2000).

O. Leclerc, B. Dany, D. Rouvillain, P. Brindel, E. Desurvire, C. Duchet, A. Shen, F. Devaux, A. Coquelin, M. Goix, S. Bouchoule, and P. Nouchi, “Simultaneously regenerated 4×40Gbit/s dense WDM transmission over 10,000 km using single 40GHz InnP Mach–Zehnder modulator,” Electron. Lett. 36, 1574–1575 (2000).

GR-253 CORE (1)

“Synchronous optical network (SONET) transport systems: common generic criteria,” GR-253 CORE (Bellcore, 1989), <a href="http://www.telcordia.com/">http://www.telcordia.com/</a>.

IEEE J. Sel. Areas Commun. (1)

D. Kong, “2.488 Gb/s SONET multiplexer/demultiplexer with frame detection capability,” IEEE J. Sel. Areas Commun. 9, 726–731 (1991).

IEEE Photon. Technol. Lett. (4)

W. Yang, “Sensitivity issues of optical performance monitoring,” IEEE Photon. Technol. Lett. 14, 107–109 (2002).

W. Yang and J. H. Sinsky, “SONET framing recognition using modulation domain analysis,' IEEE Photon. Technol. Lett. 13, 1127–1129 (2001).

P. S. Cho, P. Sinha, D. Mahgerefteh, and G. M. Carter, “All-optical regeneration at the receiver of 10-Gb/s RZ data transmitted over 30,000 km using an electroabsorption modulator,” IEEE Photon. Technol. Lett. 12, 205–207 (2000).

D. Wolfson, A. Kloch, T. Fjelde, C. Janz, B. Dagens, and M. Renaud, “40-Gb/s all-optical wavelength conversion, regeneration, and demultiplexing in an SOA-based all-active Mach–Zehnder interferometer,” IEEE Photon. Technol. Lett. 12, 332–334 (2000).

Proceedings of the IEEE 1995 Custom Inte (1)

M. Bagheri, D. Kong, J. Hacker, K. Schneider, and J. Chow, “10 Gb/s framer/demultiplexer IC for SONET STS-192 applications,” in Proceedings of the IEEE 1995 Custom Integrated Circuits Conference (Institute of Electrical and Electronics Engineers, New York, 1995), pp. 427–430.

Other (1)

W. Yang and J. H. Sinsky, “SONET OC-N (N is greater than or equal to 3) framing recognition using spectral analysis of optical signal,” U.S. patent pending (application date, 9 March 2001).

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