Abstract

We present a simple, silica waveguide optical equalizer that significantly mitigates intersymbol interference (ISI) impairments for many wavelength-division multiplexed (WDM) channels simultaneously. We study the mitigation of ISI arising from band-limited transmitters, narrow-band optical filtering, chromatic dispersion, and polarization-mode dispersion (PMD). We demonstrate significant improvements, both single- and multichannel, at 40 Gb/s with a single, potentially set-and-forget device.

© 2004 IEEE

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  1. J. H. Winters and R. Gitlin, "Electrical signal processing techniques in long-haul fiber-optic systems", IEEE Trans. Commun., vol. 38, pp. 1439-1453, Sept. 1990.
  2. F. Buchali, H. Bulow, W. Baumert, R. Ballentin and T. Wehreu, "Reduction of the chromatic dispersion penalty at 10 Gbit/s by integrated electronic equalizers", in Proc. Optical Fiber Conf. 2000,, pp. 268-270.
  3. Y. P. Li, C. H. Henry, E. J. Laskowski, C. Y. Mak and H. Yaffe, "A waveguide EDFA gain equalization filter", Electron. Lett., vol. 31, p. 2005, 1995.
  4. M. Bohn, G. Mohs, C. Scheerer, C. Glingener, C. Wree and W. Rosenkranz, "An adaptive optical equalizer concept for single channel distortion compensation", in Proc. 27th Europ. Conf. Opt. Commun., 2001, Mo.F.2.3.
  5. M. Secondini, E. Forestieri and G. Prati, "Performance of MSE configured PLC optical equalizers for chromatic dispersion compensation", IEEE Photon. Technol. Lett., vol. 15, p. 248, 2003.
  6. K.Kaname Jinguji and M.Masao Kawachi, "Synthesis of coherent two-port lattice-form optical delay-line circuit", J. Lightwave Technol., vol. 13, pp. 73-82, Jan. 1995.
  7. M. Sharma, H. Ibe and T. Ozeki, "Optical circuits for equalizing group delay dispersion of optical fibers", J. Lightwave Technol., vol. 12, pp. 1759-1765, Oct. 1994.
  8. K. Takiguchi, K. Okamoto and K. Moriwaki, "Planar lightwave circuit dispersion equalizer", J. Lightwave Technol., vol. 14, pp. 2003-2011, Sept. 1996 .
  9. T. Takahashi, T. Imai and M. Aiki, "Automatic compensation technique for time-wise fluctuating polarization mode dispersion in in-line amplifier systems", Electron. Lett., vol. 30, pp. 348-349, 1994.
  10. C. R. Doerr, S. Chandrasekhar, P. J. Winzer, L. W. Stulz, A. R. Chraplyvy and R. Pafchek, "Simple multi-channel optical equalizer for mitigating intersymbol interference", in Optical Fiber Communication Conf., 2003.
  11. P. J. Winzer and R.-J. Essiambre, "Optical receiver design trade-offs", in Proc. Optical Fiber Communication Conf. (OFC'03), Atlanta, GA, 2003,ThG1,. pp. 468-470.
  12. R. D. Gitlin, J. F. Hayes and S. B. Weinstein, Data Communication Principles, New York: Plenum, 1992.
  13. P. J. Winzer and R.-J. Essiambre, "Optical receiver design trade-offs", in Proc. Optical Fiber Communication Conf. (OFC'03), Atlanta, GA, 2003,ThG1,. pp. 468-470.
  14. P. J. Winzer, M. Pfennigbauer, M. M. Strasser and W. R. Leeb, "Optimum filter bandwidths for optically preamplified RZ and NRZ receivers", J. Lightwave Technol., vol. 19, pp. 1263-1273, 2001.
  15. C. R. Doerr, A. H. Gnauck, L. W. Stulz and D. M. Gill, "Using an optical equalizer to transmit a 43-Gb/s nonreturn-to-zero signal with an 8-GHz-bandwidth modulator", IEEE Photon. Technol. Lett., vol. 15, pp. 1624-1626, Nov. 2003.
  16. D. Stahl, P. J. Winzer, C. R. Doerr and S. Chandrasekhar, "Extending the chromatic dispersion tolerance by equalization at 43 Gb/s", in Proc. Optical Fiber Communications Conf. , 2004, paper ThU5.
  17. H. F. Haunstein and H. M. Kallert, "Fast PMD penalty measurement using polarization scrambling", in Proc. Optical Fiber Communication Conf., 2002, WQ6.
  18. P. J. Winzer, H. Kogelnik, C.-H. Kim, H. Kim, R. M. Jopson, L. E. Nelson and K. Ramanan, "Receiver impact on first-order PMD outage", IEEE Photon. Technol. Lett., vol. 15, pp. 1482 -1484, Oct. 2003.
  19. A. J. Weiss, "On the performance of electrical equalization in optical fiber transmission systems", IEEE Photon. Technol. Lett., vol. 15, pp. 1225-1227, Sept. 2003.

J. Lightwave Technol. (4)

K.Kaname Jinguji and M.Masao Kawachi, "Synthesis of coherent two-port lattice-form optical delay-line circuit", J. Lightwave Technol., vol. 13, pp. 73-82, Jan. 1995.

M. Sharma, H. Ibe and T. Ozeki, "Optical circuits for equalizing group delay dispersion of optical fibers", J. Lightwave Technol., vol. 12, pp. 1759-1765, Oct. 1994.

K. Takiguchi, K. Okamoto and K. Moriwaki, "Planar lightwave circuit dispersion equalizer", J. Lightwave Technol., vol. 14, pp. 2003-2011, Sept. 1996 .

P. J. Winzer, M. Pfennigbauer, M. M. Strasser and W. R. Leeb, "Optimum filter bandwidths for optically preamplified RZ and NRZ receivers", J. Lightwave Technol., vol. 19, pp. 1263-1273, 2001.

Other (15)

C. R. Doerr, A. H. Gnauck, L. W. Stulz and D. M. Gill, "Using an optical equalizer to transmit a 43-Gb/s nonreturn-to-zero signal with an 8-GHz-bandwidth modulator", IEEE Photon. Technol. Lett., vol. 15, pp. 1624-1626, Nov. 2003.

D. Stahl, P. J. Winzer, C. R. Doerr and S. Chandrasekhar, "Extending the chromatic dispersion tolerance by equalization at 43 Gb/s", in Proc. Optical Fiber Communications Conf. , 2004, paper ThU5.

H. F. Haunstein and H. M. Kallert, "Fast PMD penalty measurement using polarization scrambling", in Proc. Optical Fiber Communication Conf., 2002, WQ6.

P. J. Winzer, H. Kogelnik, C.-H. Kim, H. Kim, R. M. Jopson, L. E. Nelson and K. Ramanan, "Receiver impact on first-order PMD outage", IEEE Photon. Technol. Lett., vol. 15, pp. 1482 -1484, Oct. 2003.

A. J. Weiss, "On the performance of electrical equalization in optical fiber transmission systems", IEEE Photon. Technol. Lett., vol. 15, pp. 1225-1227, Sept. 2003.

J. H. Winters and R. Gitlin, "Electrical signal processing techniques in long-haul fiber-optic systems", IEEE Trans. Commun., vol. 38, pp. 1439-1453, Sept. 1990.

F. Buchali, H. Bulow, W. Baumert, R. Ballentin and T. Wehreu, "Reduction of the chromatic dispersion penalty at 10 Gbit/s by integrated electronic equalizers", in Proc. Optical Fiber Conf. 2000,, pp. 268-270.

Y. P. Li, C. H. Henry, E. J. Laskowski, C. Y. Mak and H. Yaffe, "A waveguide EDFA gain equalization filter", Electron. Lett., vol. 31, p. 2005, 1995.

M. Bohn, G. Mohs, C. Scheerer, C. Glingener, C. Wree and W. Rosenkranz, "An adaptive optical equalizer concept for single channel distortion compensation", in Proc. 27th Europ. Conf. Opt. Commun., 2001, Mo.F.2.3.

M. Secondini, E. Forestieri and G. Prati, "Performance of MSE configured PLC optical equalizers for chromatic dispersion compensation", IEEE Photon. Technol. Lett., vol. 15, p. 248, 2003.

T. Takahashi, T. Imai and M. Aiki, "Automatic compensation technique for time-wise fluctuating polarization mode dispersion in in-line amplifier systems", Electron. Lett., vol. 30, pp. 348-349, 1994.

C. R. Doerr, S. Chandrasekhar, P. J. Winzer, L. W. Stulz, A. R. Chraplyvy and R. Pafchek, "Simple multi-channel optical equalizer for mitigating intersymbol interference", in Optical Fiber Communication Conf., 2003.

P. J. Winzer and R.-J. Essiambre, "Optical receiver design trade-offs", in Proc. Optical Fiber Communication Conf. (OFC'03), Atlanta, GA, 2003,ThG1,. pp. 468-470.

R. D. Gitlin, J. F. Hayes and S. B. Weinstein, Data Communication Principles, New York: Plenum, 1992.

P. J. Winzer and R.-J. Essiambre, "Optical receiver design trade-offs", in Proc. Optical Fiber Communication Conf. (OFC'03), Atlanta, GA, 2003,ThG1,. pp. 468-470.

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