Abstract

This paper presents an experimental study and comparison of return-to-zero (RZ) versus nonreturn-to-zero (NRZ) pulse shapes for optical duobinary systems. Surprisingly, and contrary to the case of on–off keying, we find the NRZ pulse shape to be superior, compared with RZ, for duobinary transmission in all the cases that were studied, including systems that are limited by amplified-spontaneous-emission noise, fiber chromatic dispersion, and self-phase modulation.

© 2007 IEEE

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  1. M. I. Hayee, A. E. Wilner, "NRZ versus RZ in 10–40-Gb/s dispersion-managed WDM transmission systems," IEEE Photon. Technol. Lett. 11, 991-993 (1999).
  2. T. Matsuda, "Comparison between NRZ and RZ signal formats for in-line amplifier transmission in the zero-dispersion regime," J. Lightw. Technol. 16, 340-348 (1998).
  3. P. J. Winzer, "Optimum filter bandwidths for optically preamplified (N)RZ receivers," J. Lightw. Technol. 19, 1263-1273 (2001).
  4. M. Pfennigbauer, "Dependence of optically preamplified receiver sensitivity on optical and electrical filter bandwidths: Measurement and simulation," IEEE Photon. Technol. Lett. 14, 831-833 (2002).
  5. W. Atia, R. S. Bondurant, "Demonstration of return-to-zero signaling in both OOK and DPSK formats to improve receiver sensitivity in an optically preamplified receiver," Proc. LEOS (1999) pp. 226-227.
  6. T. Ono, Y. Yano, K. Fukuchi, T. Ito, H. Yamazaki, M. Yamaguchi, K. Emura, "Characteristics of optical duobinary signals in terabit/s capacity, high-spectral efficiency WDM systems," J. Lightw. Technol. 16, 788-797 (1998).
  7. K. Yonenaga, S. Kuwano, "Dispersion-tolerant optical transmission system using duobinary transmitter and binary receiver ," J. Lightw. Technol. 15, 1530-1537 (1997).
  8. W. Kaiser, T. Wuth, M. Wichers, W. Rosenkranz, "Reduced complexity optical duobinary 10-Gb/s transmitter setup resulting in an increased transmission distance," IEEE Photon. Technol. Lett. 13, 884-886 (2001).
  9. G. Charlet, S. Lanne, L. Pierre, C. Simonneau, P. Tran, H. Mardoyan, P. Brindel, M. Gorlier, J.-C. Antona, M. Molina, P. Sillard, J. Godin, W. Idler, S. Bigo, "Cost-optimized 6.3 Tb/s-capacity terrestrial link over 17 $\times$ 100 km using phase-shaped binary transmission in a conventional all-EDFA SMF-based system ," Optical Fiber Commun. Conf. AtlantaGA (2003) Paper PD25-1.
  10. M. Shtaif, A. H. Gnauck, "The relationship between optical duobinary modulation and spectral efficiency in WDM systems ," IEEE Photon. Technol. Lett. 11, 712-714 (1999).
  11. S. Walkin, J. Conradi, "On the relationship between chromatic dispersion and transmitter filter response in duobinary optical communication systems," IEEE Photon. Technol. Lett. 9, 1005-1007 (1997).
  12. G. Bosco, A. Carena, V. Curri, R. Gaudino, P. Poggiolini, "Quantum limit of direct-detection receivers using duobinary transmission," IEEE Photon. Technol. Lett. 15, 102-104 (2003).
  13. A. Lender, "The duobinary technique for high-speed data transmission," IEEE Trans. Commun. Technol. COM-82, 214-218 (1963).
  14. I. Lyubomirsky, C.-C. Chien, "Optical duobinary spectral efficiency versus transmission performance: Is there a tradeoff? ," Conf. Lasers Electro-Optics/Quantum Electron. Laser Science Conf. (CLEO/QELS) BaltimoreMD (2005) Paper JThE72.
  15. I. Lyubomirsky, C.-C. Chien, "Ideal duobinary generating filter for optically amplified systems," IEEE Photon. Technol. Lett. 18, 598-600 (2006).
  16. K.-P. Ho, J. M. Kahn, "Spectrum of externally modulated optical signals," J. Lightw. Technol. 22, 658-663 (2004).
  17. R. J. Nuyts, Y. K. Park, P. Gallion, "Performance improvement of 10 Gb/s standard fiber transmission system by using the SPM effect in the dispersion compensating fiber," IEEE Photon. Technol. Lett. 8, 1406-1408 (1996).
  18. T. Wuth, K. Kaiser, W. Rosenkranz, "Impact of self-phase modulation on bandwidth efficient modulation formats," Optical Fiber Commun. Conf. (OFC) AnaheimCA (2001) Paper MM6.
  19. N. Yoshikane, I. Morita, N. Edagawa, "Improvement of dispersion tolerance by SPM-based all-optical reshaping in receiver," IEEE Photon. Technol. Lett. 15, 111-113 (2003).

2006 (1)

I. Lyubomirsky, C.-C. Chien, "Ideal duobinary generating filter for optically amplified systems," IEEE Photon. Technol. Lett. 18, 598-600 (2006).

2004 (1)

K.-P. Ho, J. M. Kahn, "Spectrum of externally modulated optical signals," J. Lightw. Technol. 22, 658-663 (2004).

2003 (2)

N. Yoshikane, I. Morita, N. Edagawa, "Improvement of dispersion tolerance by SPM-based all-optical reshaping in receiver," IEEE Photon. Technol. Lett. 15, 111-113 (2003).

G. Bosco, A. Carena, V. Curri, R. Gaudino, P. Poggiolini, "Quantum limit of direct-detection receivers using duobinary transmission," IEEE Photon. Technol. Lett. 15, 102-104 (2003).

2002 (1)

M. Pfennigbauer, "Dependence of optically preamplified receiver sensitivity on optical and electrical filter bandwidths: Measurement and simulation," IEEE Photon. Technol. Lett. 14, 831-833 (2002).

2001 (2)

W. Kaiser, T. Wuth, M. Wichers, W. Rosenkranz, "Reduced complexity optical duobinary 10-Gb/s transmitter setup resulting in an increased transmission distance," IEEE Photon. Technol. Lett. 13, 884-886 (2001).

P. J. Winzer, "Optimum filter bandwidths for optically preamplified (N)RZ receivers," J. Lightw. Technol. 19, 1263-1273 (2001).

1999 (2)

M. Shtaif, A. H. Gnauck, "The relationship between optical duobinary modulation and spectral efficiency in WDM systems ," IEEE Photon. Technol. Lett. 11, 712-714 (1999).

M. I. Hayee, A. E. Wilner, "NRZ versus RZ in 10–40-Gb/s dispersion-managed WDM transmission systems," IEEE Photon. Technol. Lett. 11, 991-993 (1999).

1998 (2)

T. Matsuda, "Comparison between NRZ and RZ signal formats for in-line amplifier transmission in the zero-dispersion regime," J. Lightw. Technol. 16, 340-348 (1998).

T. Ono, Y. Yano, K. Fukuchi, T. Ito, H. Yamazaki, M. Yamaguchi, K. Emura, "Characteristics of optical duobinary signals in terabit/s capacity, high-spectral efficiency WDM systems," J. Lightw. Technol. 16, 788-797 (1998).

1997 (2)

K. Yonenaga, S. Kuwano, "Dispersion-tolerant optical transmission system using duobinary transmitter and binary receiver ," J. Lightw. Technol. 15, 1530-1537 (1997).

S. Walkin, J. Conradi, "On the relationship between chromatic dispersion and transmitter filter response in duobinary optical communication systems," IEEE Photon. Technol. Lett. 9, 1005-1007 (1997).

1996 (1)

R. J. Nuyts, Y. K. Park, P. Gallion, "Performance improvement of 10 Gb/s standard fiber transmission system by using the SPM effect in the dispersion compensating fiber," IEEE Photon. Technol. Lett. 8, 1406-1408 (1996).

1963 (1)

A. Lender, "The duobinary technique for high-speed data transmission," IEEE Trans. Commun. Technol. COM-82, 214-218 (1963).

IEEE Photon. Technol. Lett. (9)

M. I. Hayee, A. E. Wilner, "NRZ versus RZ in 10–40-Gb/s dispersion-managed WDM transmission systems," IEEE Photon. Technol. Lett. 11, 991-993 (1999).

M. Pfennigbauer, "Dependence of optically preamplified receiver sensitivity on optical and electrical filter bandwidths: Measurement and simulation," IEEE Photon. Technol. Lett. 14, 831-833 (2002).

W. Kaiser, T. Wuth, M. Wichers, W. Rosenkranz, "Reduced complexity optical duobinary 10-Gb/s transmitter setup resulting in an increased transmission distance," IEEE Photon. Technol. Lett. 13, 884-886 (2001).

M. Shtaif, A. H. Gnauck, "The relationship between optical duobinary modulation and spectral efficiency in WDM systems ," IEEE Photon. Technol. Lett. 11, 712-714 (1999).

S. Walkin, J. Conradi, "On the relationship between chromatic dispersion and transmitter filter response in duobinary optical communication systems," IEEE Photon. Technol. Lett. 9, 1005-1007 (1997).

G. Bosco, A. Carena, V. Curri, R. Gaudino, P. Poggiolini, "Quantum limit of direct-detection receivers using duobinary transmission," IEEE Photon. Technol. Lett. 15, 102-104 (2003).

I. Lyubomirsky, C.-C. Chien, "Ideal duobinary generating filter for optically amplified systems," IEEE Photon. Technol. Lett. 18, 598-600 (2006).

R. J. Nuyts, Y. K. Park, P. Gallion, "Performance improvement of 10 Gb/s standard fiber transmission system by using the SPM effect in the dispersion compensating fiber," IEEE Photon. Technol. Lett. 8, 1406-1408 (1996).

N. Yoshikane, I. Morita, N. Edagawa, "Improvement of dispersion tolerance by SPM-based all-optical reshaping in receiver," IEEE Photon. Technol. Lett. 15, 111-113 (2003).

IEEE Trans. Commun. Technol. (1)

A. Lender, "The duobinary technique for high-speed data transmission," IEEE Trans. Commun. Technol. COM-82, 214-218 (1963).

J. Lightw. Technol. (5)

K.-P. Ho, J. M. Kahn, "Spectrum of externally modulated optical signals," J. Lightw. Technol. 22, 658-663 (2004).

T. Ono, Y. Yano, K. Fukuchi, T. Ito, H. Yamazaki, M. Yamaguchi, K. Emura, "Characteristics of optical duobinary signals in terabit/s capacity, high-spectral efficiency WDM systems," J. Lightw. Technol. 16, 788-797 (1998).

K. Yonenaga, S. Kuwano, "Dispersion-tolerant optical transmission system using duobinary transmitter and binary receiver ," J. Lightw. Technol. 15, 1530-1537 (1997).

T. Matsuda, "Comparison between NRZ and RZ signal formats for in-line amplifier transmission in the zero-dispersion regime," J. Lightw. Technol. 16, 340-348 (1998).

P. J. Winzer, "Optimum filter bandwidths for optically preamplified (N)RZ receivers," J. Lightw. Technol. 19, 1263-1273 (2001).

Other (4)

W. Atia, R. S. Bondurant, "Demonstration of return-to-zero signaling in both OOK and DPSK formats to improve receiver sensitivity in an optically preamplified receiver," Proc. LEOS (1999) pp. 226-227.

G. Charlet, S. Lanne, L. Pierre, C. Simonneau, P. Tran, H. Mardoyan, P. Brindel, M. Gorlier, J.-C. Antona, M. Molina, P. Sillard, J. Godin, W. Idler, S. Bigo, "Cost-optimized 6.3 Tb/s-capacity terrestrial link over 17 $\times$ 100 km using phase-shaped binary transmission in a conventional all-EDFA SMF-based system ," Optical Fiber Commun. Conf. AtlantaGA (2003) Paper PD25-1.

T. Wuth, K. Kaiser, W. Rosenkranz, "Impact of self-phase modulation on bandwidth efficient modulation formats," Optical Fiber Commun. Conf. (OFC) AnaheimCA (2001) Paper MM6.

I. Lyubomirsky, C.-C. Chien, "Optical duobinary spectral efficiency versus transmission performance: Is there a tradeoff? ," Conf. Lasers Electro-Optics/Quantum Electron. Laser Science Conf. (CLEO/QELS) BaltimoreMD (2005) Paper JThE72.

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