Abstract

We study the intrinsic relations and conversions among different binary modulation formats such as non-return-to-zero (NRZ), return-to-zero (RZ), carrier-suppressed return-to-zero (CSRZ), differential-phase-shift-keying (DPSK), duobinary, and alternate-mark-inversion (AMI). In particular, we experimentally demonstrate the new conversion from CSRZ to duobinary using a Mach-Zehnder delay interferometer (MZDI).

© 2008 Optical Society of America

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  1. P. J. Winzer and R. -J. Essiambre, "Advanced optical modulation formats," inProceedings of the IEEE 94, 952-985 (2006).
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  3. H. Lee, J. Lee, H. Kim, S. K. Kim, G. Lee, S. Hwang, Y. Oh, and J. Jeong, "300 km transmission of 10 Gbit/s chirped duobinary signals using two Mach-Zehnder modulators," Electron. Lett. 41, 202-203 (2005).
    [CrossRef]
  4. A.  Agarwal, S.  Banerjee, D. F.  Grosz, A. P.  Küng, D. N.  Maywar, A.  Gurevich, and T. H.  Wood, "Ultra-high-capacity long-haul 40-Gb/s WDM transmission with 0.8-b/s/Hz spectral efficiency by means of strong optical filtering," IEEE Photon. Technol. Lett.  15, 470-472 (2003).
    [CrossRef]
  5. A. H. Gnauck, X. Liu, X. Wei, D. M. Gill, and E. C. Burrows, "Comparison of modulation formats for 42.7-Gb/s single-channel transmission through 1980 km of SSMF," IEEE Photon. Technol. Lett. 16, 909-911 (2004).
    [CrossRef]
  6. P. J. Winzer, A. H. Gnauck, G. Raybon, S. Chandrasekhar, Y. Su, and J. Leuthold, "40-Gb/s return-to-zero alternate-mark-inversion (RZ-AMI) transmission over 2000 km," IEEE Photon. Technol. Lett. 15, 766-768 (2003).
    [CrossRef]
  7. A. H. Gnauck, G. Raybon, S. Chandrasekhar, J. Leuthold, C. Doerr, L. Stulz, and E. Burrows, "25×40-Gb/s copolarized DPSK transmission over 12×100-km NZDF with 50-GHz channel spacing," IEEE Photon. Technol. Lett. 15, 467-469 (2003).
    [CrossRef]
  8. T. Mizuochi, K. Ishida, T. Kobayashi, J. Abe, K. Kinjo, K. Motoshima, and K. Kasahara, "A comparative study of DPSK and OOK WDM transmission over transoceanic distances and their performance degradations due to nonlinear phase noise," J. Lightwave Technol. 21, 1933-1943 (2003).
    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
  14. D.  Penninckx, H.  Bissessur, P. Brindel, E.  Gohin, F.  Bakhti, "Optical differential phase shift keying (DPSK) direct detection considered as a duobinary signal," in Proceedings of the European Conference on Optical Communication (ECOC 2001), paper We.P40.
  15. C. Xie, L. Moller, and R. Ryf, "Improvement of optical NRZ- and RZ-duobinary transmission systems with narrow bandwidth optical filters," IEEE Photon. Technol. Lett. 16, 2162-2164 (2004).
    [CrossRef]
  16. I. Lyubomirsky, C. -C. Chien, "Experimental demonstration of an optimized optical RZ-duobinary transmission system," IEEE Photon. Technol. Lett. 17, 2757-2759 (2005).
    [CrossRef]
  17. Y. K. Lizé, L. Christen, X. Wu, J. -Y. Yang, S. Nuccio, T. Wu, A. E. Willner, and R. Kashyap, "Free spectral range optimization of return-to-zero differential phase shift keyed demodulation in the presence of chromatic dispersion," Opt. Express 15, 6817-6822 (2007).
    [CrossRef] [PubMed]

2007 (2)

2006 (1)

P. J. Winzer and R. -J. Essiambre, "Advanced optical modulation formats," inProceedings of the IEEE 94, 952-985 (2006).
[CrossRef]

2005 (3)

H. Lee, J. Lee, H. Kim, S. K. Kim, G. Lee, S. Hwang, Y. Oh, and J. Jeong, "300 km transmission of 10 Gbit/s chirped duobinary signals using two Mach-Zehnder modulators," Electron. Lett. 41, 202-203 (2005).
[CrossRef]

I. Lyubomirsky, C. -C. Chien, "Experimental demonstration of an optimized optical RZ-duobinary transmission system," IEEE Photon. Technol. Lett. 17, 2757-2759 (2005).
[CrossRef]

J. Yu, G. K. Chang, J. Barry, and Y. Su, "40 Gbit/s signal format conversion from NRZ to RZ using a Mach-Zehnder delay interferometer," Opt. Commun. 248, 419-422 (2005).
[CrossRef]

2004 (4)

C. Xie, L. Moller, and R. Ryf, "Improvement of optical NRZ- and RZ-duobinary transmission systems with narrow bandwidth optical filters," IEEE Photon. Technol. Lett. 16, 2162-2164 (2004).
[CrossRef]

B. Zhu, L. E. Nelson, S. Stulz, A. H. Gnauck, C. Doerr, J. Leuthold, G. Nielsen, M. O. Pedersen, J. Kim, and R. L. LingleJr., "High spectral density long-haul 40-Gb/s transmission using CSRZ-DPSK format," J. Lightwave Technol. 22, 208-214 (2004).
[CrossRef]

W. D.  Li, M. H.  Chen, Y.  Dong, and S. Z.  Xie, "All-optical format conversion from NRZ to CSRZ and between RZ and CSRZ using SOA-based fiber loop mirror," IEEE Photon. Technol. Lett.  16, 203-205 (2004).
[CrossRef]

A. H. Gnauck, X. Liu, X. Wei, D. M. Gill, and E. C. Burrows, "Comparison of modulation formats for 42.7-Gb/s single-channel transmission through 1980 km of SSMF," IEEE Photon. Technol. Lett. 16, 909-911 (2004).
[CrossRef]

2003 (4)

P. J. Winzer, A. H. Gnauck, G. Raybon, S. Chandrasekhar, Y. Su, and J. Leuthold, "40-Gb/s return-to-zero alternate-mark-inversion (RZ-AMI) transmission over 2000 km," IEEE Photon. Technol. Lett. 15, 766-768 (2003).
[CrossRef]

A. H. Gnauck, G. Raybon, S. Chandrasekhar, J. Leuthold, C. Doerr, L. Stulz, and E. Burrows, "25×40-Gb/s copolarized DPSK transmission over 12×100-km NZDF with 50-GHz channel spacing," IEEE Photon. Technol. Lett. 15, 467-469 (2003).
[CrossRef]

T. Mizuochi, K. Ishida, T. Kobayashi, J. Abe, K. Kinjo, K. Motoshima, and K. Kasahara, "A comparative study of DPSK and OOK WDM transmission over transoceanic distances and their performance degradations due to nonlinear phase noise," J. Lightwave Technol. 21, 1933-1943 (2003).
[CrossRef]

A.  Agarwal, S.  Banerjee, D. F.  Grosz, A. P.  Küng, D. N.  Maywar, A.  Gurevich, and T. H.  Wood, "Ultra-high-capacity long-haul 40-Gb/s WDM transmission with 0.8-b/s/Hz spectral efficiency by means of strong optical filtering," IEEE Photon. Technol. Lett.  15, 470-472 (2003).
[CrossRef]

Abe, J.

Agarwal, A.

A.  Agarwal, S.  Banerjee, D. F.  Grosz, A. P.  Küng, D. N.  Maywar, A.  Gurevich, and T. H.  Wood, "Ultra-high-capacity long-haul 40-Gb/s WDM transmission with 0.8-b/s/Hz spectral efficiency by means of strong optical filtering," IEEE Photon. Technol. Lett.  15, 470-472 (2003).
[CrossRef]

Banerjee, S.

A.  Agarwal, S.  Banerjee, D. F.  Grosz, A. P.  Küng, D. N.  Maywar, A.  Gurevich, and T. H.  Wood, "Ultra-high-capacity long-haul 40-Gb/s WDM transmission with 0.8-b/s/Hz spectral efficiency by means of strong optical filtering," IEEE Photon. Technol. Lett.  15, 470-472 (2003).
[CrossRef]

Barry, J.

J. Yu, G. K. Chang, J. Barry, and Y. Su, "40 Gbit/s signal format conversion from NRZ to RZ using a Mach-Zehnder delay interferometer," Opt. Commun. 248, 419-422 (2005).
[CrossRef]

Burrows, E.

A. H. Gnauck, G. Raybon, S. Chandrasekhar, J. Leuthold, C. Doerr, L. Stulz, and E. Burrows, "25×40-Gb/s copolarized DPSK transmission over 12×100-km NZDF with 50-GHz channel spacing," IEEE Photon. Technol. Lett. 15, 467-469 (2003).
[CrossRef]

Burrows, E. C.

A. H. Gnauck, X. Liu, X. Wei, D. M. Gill, and E. C. Burrows, "Comparison of modulation formats for 42.7-Gb/s single-channel transmission through 1980 km of SSMF," IEEE Photon. Technol. Lett. 16, 909-911 (2004).
[CrossRef]

Chandrasekhar, S.

A. H. Gnauck, G. Raybon, S. Chandrasekhar, J. Leuthold, C. Doerr, L. Stulz, and E. Burrows, "25×40-Gb/s copolarized DPSK transmission over 12×100-km NZDF with 50-GHz channel spacing," IEEE Photon. Technol. Lett. 15, 467-469 (2003).
[CrossRef]

P. J. Winzer, A. H. Gnauck, G. Raybon, S. Chandrasekhar, Y. Su, and J. Leuthold, "40-Gb/s return-to-zero alternate-mark-inversion (RZ-AMI) transmission over 2000 km," IEEE Photon. Technol. Lett. 15, 766-768 (2003).
[CrossRef]

Chang, G. K.

J. Yu, G. K. Chang, J. Barry, and Y. Su, "40 Gbit/s signal format conversion from NRZ to RZ using a Mach-Zehnder delay interferometer," Opt. Commun. 248, 419-422 (2005).
[CrossRef]

Chen, M. H.

W. D.  Li, M. H.  Chen, Y.  Dong, and S. Z.  Xie, "All-optical format conversion from NRZ to CSRZ and between RZ and CSRZ using SOA-based fiber loop mirror," IEEE Photon. Technol. Lett.  16, 203-205 (2004).
[CrossRef]

Chien, C. -C.

I. Lyubomirsky, C. -C. Chien, "Experimental demonstration of an optimized optical RZ-duobinary transmission system," IEEE Photon. Technol. Lett. 17, 2757-2759 (2005).
[CrossRef]

Christen, L.

Doerr, C.

B. Zhu, L. E. Nelson, S. Stulz, A. H. Gnauck, C. Doerr, J. Leuthold, G. Nielsen, M. O. Pedersen, J. Kim, and R. L. LingleJr., "High spectral density long-haul 40-Gb/s transmission using CSRZ-DPSK format," J. Lightwave Technol. 22, 208-214 (2004).
[CrossRef]

A. H. Gnauck, G. Raybon, S. Chandrasekhar, J. Leuthold, C. Doerr, L. Stulz, and E. Burrows, "25×40-Gb/s copolarized DPSK transmission over 12×100-km NZDF with 50-GHz channel spacing," IEEE Photon. Technol. Lett. 15, 467-469 (2003).
[CrossRef]

Dong, Y.

W. D.  Li, M. H.  Chen, Y.  Dong, and S. Z.  Xie, "All-optical format conversion from NRZ to CSRZ and between RZ and CSRZ using SOA-based fiber loop mirror," IEEE Photon. Technol. Lett.  16, 203-205 (2004).
[CrossRef]

Essiambre, R. -J.

P. J. Winzer and R. -J. Essiambre, "Advanced optical modulation formats," inProceedings of the IEEE 94, 952-985 (2006).
[CrossRef]

Gill, D. M.

A. H. Gnauck, X. Liu, X. Wei, D. M. Gill, and E. C. Burrows, "Comparison of modulation formats for 42.7-Gb/s single-channel transmission through 1980 km of SSMF," IEEE Photon. Technol. Lett. 16, 909-911 (2004).
[CrossRef]

Gnauck, A. H.

A. H. Gnauck, X. Liu, X. Wei, D. M. Gill, and E. C. Burrows, "Comparison of modulation formats for 42.7-Gb/s single-channel transmission through 1980 km of SSMF," IEEE Photon. Technol. Lett. 16, 909-911 (2004).
[CrossRef]

B. Zhu, L. E. Nelson, S. Stulz, A. H. Gnauck, C. Doerr, J. Leuthold, G. Nielsen, M. O. Pedersen, J. Kim, and R. L. LingleJr., "High spectral density long-haul 40-Gb/s transmission using CSRZ-DPSK format," J. Lightwave Technol. 22, 208-214 (2004).
[CrossRef]

A. H. Gnauck, G. Raybon, S. Chandrasekhar, J. Leuthold, C. Doerr, L. Stulz, and E. Burrows, "25×40-Gb/s copolarized DPSK transmission over 12×100-km NZDF with 50-GHz channel spacing," IEEE Photon. Technol. Lett. 15, 467-469 (2003).
[CrossRef]

P. J. Winzer, A. H. Gnauck, G. Raybon, S. Chandrasekhar, Y. Su, and J. Leuthold, "40-Gb/s return-to-zero alternate-mark-inversion (RZ-AMI) transmission over 2000 km," IEEE Photon. Technol. Lett. 15, 766-768 (2003).
[CrossRef]

Grosz, D. F.

A.  Agarwal, S.  Banerjee, D. F.  Grosz, A. P.  Küng, D. N.  Maywar, A.  Gurevich, and T. H.  Wood, "Ultra-high-capacity long-haul 40-Gb/s WDM transmission with 0.8-b/s/Hz spectral efficiency by means of strong optical filtering," IEEE Photon. Technol. Lett.  15, 470-472 (2003).
[CrossRef]

Gurevich, A.

A.  Agarwal, S.  Banerjee, D. F.  Grosz, A. P.  Küng, D. N.  Maywar, A.  Gurevich, and T. H.  Wood, "Ultra-high-capacity long-haul 40-Gb/s WDM transmission with 0.8-b/s/Hz spectral efficiency by means of strong optical filtering," IEEE Photon. Technol. Lett.  15, 470-472 (2003).
[CrossRef]

Huang, D.

Hwang, S.

H. Lee, J. Lee, H. Kim, S. K. Kim, G. Lee, S. Hwang, Y. Oh, and J. Jeong, "300 km transmission of 10 Gbit/s chirped duobinary signals using two Mach-Zehnder modulators," Electron. Lett. 41, 202-203 (2005).
[CrossRef]

Ishida, K.

Jeong, J.

H. Lee, J. Lee, H. Kim, S. K. Kim, G. Lee, S. Hwang, Y. Oh, and J. Jeong, "300 km transmission of 10 Gbit/s chirped duobinary signals using two Mach-Zehnder modulators," Electron. Lett. 41, 202-203 (2005).
[CrossRef]

Kasahara, K.

Kashyap, R.

Kim, H.

H. Lee, J. Lee, H. Kim, S. K. Kim, G. Lee, S. Hwang, Y. Oh, and J. Jeong, "300 km transmission of 10 Gbit/s chirped duobinary signals using two Mach-Zehnder modulators," Electron. Lett. 41, 202-203 (2005).
[CrossRef]

Kim, J.

Kim, S. K.

H. Lee, J. Lee, H. Kim, S. K. Kim, G. Lee, S. Hwang, Y. Oh, and J. Jeong, "300 km transmission of 10 Gbit/s chirped duobinary signals using two Mach-Zehnder modulators," Electron. Lett. 41, 202-203 (2005).
[CrossRef]

Kinjo, K.

Kobayashi, T.

Küng, A. P.

A.  Agarwal, S.  Banerjee, D. F.  Grosz, A. P.  Küng, D. N.  Maywar, A.  Gurevich, and T. H.  Wood, "Ultra-high-capacity long-haul 40-Gb/s WDM transmission with 0.8-b/s/Hz spectral efficiency by means of strong optical filtering," IEEE Photon. Technol. Lett.  15, 470-472 (2003).
[CrossRef]

Lee, G.

H. Lee, J. Lee, H. Kim, S. K. Kim, G. Lee, S. Hwang, Y. Oh, and J. Jeong, "300 km transmission of 10 Gbit/s chirped duobinary signals using two Mach-Zehnder modulators," Electron. Lett. 41, 202-203 (2005).
[CrossRef]

Lee, H.

H. Lee, J. Lee, H. Kim, S. K. Kim, G. Lee, S. Hwang, Y. Oh, and J. Jeong, "300 km transmission of 10 Gbit/s chirped duobinary signals using two Mach-Zehnder modulators," Electron. Lett. 41, 202-203 (2005).
[CrossRef]

Lee, J.

H. Lee, J. Lee, H. Kim, S. K. Kim, G. Lee, S. Hwang, Y. Oh, and J. Jeong, "300 km transmission of 10 Gbit/s chirped duobinary signals using two Mach-Zehnder modulators," Electron. Lett. 41, 202-203 (2005).
[CrossRef]

Leuthold, J.

B. Zhu, L. E. Nelson, S. Stulz, A. H. Gnauck, C. Doerr, J. Leuthold, G. Nielsen, M. O. Pedersen, J. Kim, and R. L. LingleJr., "High spectral density long-haul 40-Gb/s transmission using CSRZ-DPSK format," J. Lightwave Technol. 22, 208-214 (2004).
[CrossRef]

A. H. Gnauck, G. Raybon, S. Chandrasekhar, J. Leuthold, C. Doerr, L. Stulz, and E. Burrows, "25×40-Gb/s copolarized DPSK transmission over 12×100-km NZDF with 50-GHz channel spacing," IEEE Photon. Technol. Lett. 15, 467-469 (2003).
[CrossRef]

P. J. Winzer, A. H. Gnauck, G. Raybon, S. Chandrasekhar, Y. Su, and J. Leuthold, "40-Gb/s return-to-zero alternate-mark-inversion (RZ-AMI) transmission over 2000 km," IEEE Photon. Technol. Lett. 15, 766-768 (2003).
[CrossRef]

Li, W. D.

W. D.  Li, M. H.  Chen, Y.  Dong, and S. Z.  Xie, "All-optical format conversion from NRZ to CSRZ and between RZ and CSRZ using SOA-based fiber loop mirror," IEEE Photon. Technol. Lett.  16, 203-205 (2004).
[CrossRef]

Lingle, R. L.

Liu, X.

A. H. Gnauck, X. Liu, X. Wei, D. M. Gill, and E. C. Burrows, "Comparison of modulation formats for 42.7-Gb/s single-channel transmission through 1980 km of SSMF," IEEE Photon. Technol. Lett. 16, 909-911 (2004).
[CrossRef]

Lizé, Y. K.

Lyubomirsky, I.

I. Lyubomirsky, C. -C. Chien, "Experimental demonstration of an optimized optical RZ-duobinary transmission system," IEEE Photon. Technol. Lett. 17, 2757-2759 (2005).
[CrossRef]

Maywar, D. N.

A.  Agarwal, S.  Banerjee, D. F.  Grosz, A. P.  Küng, D. N.  Maywar, A.  Gurevich, and T. H.  Wood, "Ultra-high-capacity long-haul 40-Gb/s WDM transmission with 0.8-b/s/Hz spectral efficiency by means of strong optical filtering," IEEE Photon. Technol. Lett.  15, 470-472 (2003).
[CrossRef]

Mizuochi, T.

Moller, L.

C. Xie, L. Moller, and R. Ryf, "Improvement of optical NRZ- and RZ-duobinary transmission systems with narrow bandwidth optical filters," IEEE Photon. Technol. Lett. 16, 2162-2164 (2004).
[CrossRef]

Motoshima, K.

Nelson, L. E.

Nielsen, G.

Nuccio, S.

Oh, Y.

H. Lee, J. Lee, H. Kim, S. K. Kim, G. Lee, S. Hwang, Y. Oh, and J. Jeong, "300 km transmission of 10 Gbit/s chirped duobinary signals using two Mach-Zehnder modulators," Electron. Lett. 41, 202-203 (2005).
[CrossRef]

Pedersen, M. O.

Raybon, G.

A. H. Gnauck, G. Raybon, S. Chandrasekhar, J. Leuthold, C. Doerr, L. Stulz, and E. Burrows, "25×40-Gb/s copolarized DPSK transmission over 12×100-km NZDF with 50-GHz channel spacing," IEEE Photon. Technol. Lett. 15, 467-469 (2003).
[CrossRef]

P. J. Winzer, A. H. Gnauck, G. Raybon, S. Chandrasekhar, Y. Su, and J. Leuthold, "40-Gb/s return-to-zero alternate-mark-inversion (RZ-AMI) transmission over 2000 km," IEEE Photon. Technol. Lett. 15, 766-768 (2003).
[CrossRef]

Ryf, R.

C. Xie, L. Moller, and R. Ryf, "Improvement of optical NRZ- and RZ-duobinary transmission systems with narrow bandwidth optical filters," IEEE Photon. Technol. Lett. 16, 2162-2164 (2004).
[CrossRef]

Stulz, L.

A. H. Gnauck, G. Raybon, S. Chandrasekhar, J. Leuthold, C. Doerr, L. Stulz, and E. Burrows, "25×40-Gb/s copolarized DPSK transmission over 12×100-km NZDF with 50-GHz channel spacing," IEEE Photon. Technol. Lett. 15, 467-469 (2003).
[CrossRef]

Stulz, S.

Su, Y.

J. Yu, G. K. Chang, J. Barry, and Y. Su, "40 Gbit/s signal format conversion from NRZ to RZ using a Mach-Zehnder delay interferometer," Opt. Commun. 248, 419-422 (2005).
[CrossRef]

P. J. Winzer, A. H. Gnauck, G. Raybon, S. Chandrasekhar, Y. Su, and J. Leuthold, "40-Gb/s return-to-zero alternate-mark-inversion (RZ-AMI) transmission over 2000 km," IEEE Photon. Technol. Lett. 15, 766-768 (2003).
[CrossRef]

Wei, X.

A. H. Gnauck, X. Liu, X. Wei, D. M. Gill, and E. C. Burrows, "Comparison of modulation formats for 42.7-Gb/s single-channel transmission through 1980 km of SSMF," IEEE Photon. Technol. Lett. 16, 909-911 (2004).
[CrossRef]

Willner, A. E.

Winzer, P. J.

P. J. Winzer and R. -J. Essiambre, "Advanced optical modulation formats," inProceedings of the IEEE 94, 952-985 (2006).
[CrossRef]

P. J. Winzer, A. H. Gnauck, G. Raybon, S. Chandrasekhar, Y. Su, and J. Leuthold, "40-Gb/s return-to-zero alternate-mark-inversion (RZ-AMI) transmission over 2000 km," IEEE Photon. Technol. Lett. 15, 766-768 (2003).
[CrossRef]

Wood, T. H.

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[CrossRef]

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Wu, X.

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C. Xie, L. Moller, and R. Ryf, "Improvement of optical NRZ- and RZ-duobinary transmission systems with narrow bandwidth optical filters," IEEE Photon. Technol. Lett. 16, 2162-2164 (2004).
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W. D.  Li, M. H.  Chen, Y.  Dong, and S. Z.  Xie, "All-optical format conversion from NRZ to CSRZ and between RZ and CSRZ using SOA-based fiber loop mirror," IEEE Photon. Technol. Lett.  16, 203-205 (2004).
[CrossRef]

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Yu, J.

J. Yu, G. K. Chang, J. Barry, and Y. Su, "40 Gbit/s signal format conversion from NRZ to RZ using a Mach-Zehnder delay interferometer," Opt. Commun. 248, 419-422 (2005).
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Electron. Lett. (1)

H. Lee, J. Lee, H. Kim, S. K. Kim, G. Lee, S. Hwang, Y. Oh, and J. Jeong, "300 km transmission of 10 Gbit/s chirped duobinary signals using two Mach-Zehnder modulators," Electron. Lett. 41, 202-203 (2005).
[CrossRef]

IEEE Photon. Technol. Lett. (7)

A.  Agarwal, S.  Banerjee, D. F.  Grosz, A. P.  Küng, D. N.  Maywar, A.  Gurevich, and T. H.  Wood, "Ultra-high-capacity long-haul 40-Gb/s WDM transmission with 0.8-b/s/Hz spectral efficiency by means of strong optical filtering," IEEE Photon. Technol. Lett.  15, 470-472 (2003).
[CrossRef]

A. H. Gnauck, X. Liu, X. Wei, D. M. Gill, and E. C. Burrows, "Comparison of modulation formats for 42.7-Gb/s single-channel transmission through 1980 km of SSMF," IEEE Photon. Technol. Lett. 16, 909-911 (2004).
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[CrossRef]

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J. Lightwave Technol. (2)

Opt. Commun. (1)

J. Yu, G. K. Chang, J. Barry, and Y. Su, "40 Gbit/s signal format conversion from NRZ to RZ using a Mach-Zehnder delay interferometer," Opt. Commun. 248, 419-422 (2005).
[CrossRef]

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Proceedings of the IEEE (1)

P. J. Winzer and R. -J. Essiambre, "Advanced optical modulation formats," inProceedings of the IEEE 94, 952-985 (2006).
[CrossRef]

Other (3)

G. Charlet, J.-C. Antona, S. Lannel, P. Tran, W. Idler, M. Gorlier, S. Borne, A. Klekamp, C. Simonneau, L. Pierre, Y. Frignac, M. Molina, F. Beaumont, J.-P. Hamaide, and S. Bigo, "6.4Tb/s (159×42.7Gb/s) capacity over 21×100 km using bandwidth-limited phase-shaped binary transmission" in Proceedings of the European Conference on Optical Communication (ECOC 2002), paper PD 4.1.

D.  Penninckx, H.  Bissessur, P. Brindel, E.  Gohin, F.  Bakhti, "Optical differential phase shift keying (DPSK) direct detection considered as a duobinary signal," in Proceedings of the European Conference on Optical Communication (ECOC 2001), paper We.P40.

B. Zhu, L. E. Nelson, S. Stulz, A. H. Gnauck, C. Doerr, J. Leuthold, L. Gruner-Nielsen, M. O. Pedersen, J. Kim, R. Lingle, Y. Emori, Y. Ohki, N. Tsukiji, A. Oguri, and S. Namiki, "6.4-Tb/s (160 x 42.7 Gb/s) transmission with 0.8 bit/s/Hz spectral efficiency over 32 x 100 km of fiber using CSRZ-DPSK format," in Optical Fiber Communication Conference, Technical Digest (Optical Society of America, 2003), paper PD19.
[CrossRef]

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Figures (6)

Fig. 1.
Fig. 1.

Relations among (N)RZ, CSRZ, Duobinary, AMI, and DPSK.

Fig. 2.
Fig. 2.

Experimental setup of CSRZ to Duobinary conversion. CW: Continuous wave; PC: Polarization controller.

Fig. 3.
Fig. 3.

Experimental results of CSRZ to Duobinary conversion. (a), (b) Optical eye diagrams of CSRZ and Duobinary, respectively; (c), (d) Electrical eye diagrams of detected CSRZ and Duobinary, respectively; (e), (f) Optical spectra of CSRZ and Duobinary, respectively. Spectrum resolution: 0.07 nm.

Fig. 4.
Fig. 4.

Demonstration of some typical patterns. (a), (b), and (c): Input CSRZ data; (d), (e), and (f): Converted Duobinary signals.

Fig. 5.
Fig. 5.

BER curves of CSRZ and Duobinary.

Fig. 6.
Fig. 6.

Conceptual illustration of <1 bit delay

Equations (1)

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( 1 ) n D ( n ) + ( 1 ) ( n + 1 ) D ( n + 1 ) = ( D ( n ) D ( n + 1 ) ) × ( 1 ) n .

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