Abstract

We demonstrate transmission of 112 Gb/s PM-QPSK signals over a system with 200 km span lengths. Amplification is provided by hybrid backward-pumped Raman/EDFA amplifiers and reach lengths up to 6000 km for an 8 channel system and 5400 km for a 32 channel system are shown. As a means of maximizing OSNR, a simple hybrid fiber span configuration is used that combines two ultra-low loss fibers, one having very large effective area.

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  1. J. Bromage, J. -C. Bouteiller, H. J. Thiele, K. Brar, L. E. Nelson, S. Stulz, C. Headley, J. Kim, A. Klein, G. Baynham, L. V. Jørgensen, L. Grüner-Nielsen, R. L. Lingle, Jr. , and D. J. DiGiovanni, “High co-directional Raman gain for 200-km spans enabling 40 x 10. 66 Gb/s transmission over 2400 km,” in Optical Fiber Communication Conference and Exposition (Optical Society of America, Washington, DC, 2003), paper PD24–1.
  2. D. Z. Chen, G. Wellbrock, N. Robinson, S. Y. Park, C. Burton, S. J. Penticost, F. Liu, and P. Mamyshev, “Long-haul “Hut-Skipped” transmission of mixed 10 & 40 Gb/s signals over deployed SSMF fiber in MCI’s Dallas fiber loop using hybrid Raman-Erbium doped fiber amplifiers,” in Optical Fiber Communication Conference and Exposition and The National Fiber Optic Engineers Conference on CD-ROM (Optical Society of America, Washington, DC, 2005), paper OTuH6.
  3. Y. Yamamoto, M. Hirano, K. Kuwahara, and T. Sasaki, “OSNR-Enhancing Pure-Silica-Core Fiber with Large Effective Area and Low Attenuation,” in Optical Fiber Communication Conference and Exposition (OFC) and National Fiber Optic Engineers Conference (NFOEC) (Optical Society of America, Washington, DC, 2010), paper OTuI2.
  4. R. Chen, M. O’Sullivan, C. Ward, S. Asselin, and M. Belanger, “Next Generation Transmission Fiber for Coherent Systems,” in Optical Fiber Communication Conference and Exposition (OFC) and National Fiber Optic Engineers Conference (NFOEC) (Optical Society of America, Washington, DC, 2010), paper OTuI1.
  5. J. D. Downie, J. E. Hurley, J. Cartledge, S. R. Bickham, and S. Mishra, “Transmission of 112 Gb/s PM-QPSK signals over 7200 km of Optical Fiber with Very Large Effective Area and Ultra-Low Loss in 100 km Spans with EDFAs Only,” in Optical Fiber Communication Conference and Exposition (OFC) and National Fiber Optic Engineers Conference (NFOEC) (Optical Society of America, Washington, DC, 2011), paper OMI6.
  6. L. M. Gleeson, M. E. McCarthy, M. D. Willis, J. H. B. Nijhof, B. K. Nayar, W. Forysiak, C. R. Towery, and S. Ten, “43Gbits/ NRZ-DPSK and RZ-DQPSK transmission over 1000km of G.652 ultra-low-loss fibre with 200km amplifier spans,” in Optical Fiber Communication Conference and Exposition (OFC) and National Fiber Optic Engineers Conference (NFOEC) (Optical Society of America, Washington, DC, 2010), paper NTuC1.
  7. M. E. McCarthy, L. M. Gleeson, M. F. C. Stephens, I. D. Phillips, W. Forysiak, C. R. Towery, and S. Ten, “43Gbits RZ-DQPSK Transmission Over 1000km of G.652 Ultra-Low-Loss Fibre with 250km Amplifier Spans,” in Proceedings of European Conf. Opt. Commun. (2010),paper P4. 13.
  8. I. Fatadin, S. J. Savory, and D. Ives, “Compensation of quadrature imbalance in an optical QPSK coherent receiver,” IEEE Photon. Technol. Lett. 20(20), 1733–1735 (2008).
    [CrossRef]
  9. H. Meyer, M. Moeneclaey, and S. A. Fechtel, Digital Communications Receivers (Wiley-Interscience, 1997), section 5. 4.
  10. J. R. Treichler and B. G. Agee, “A new approach to multipath correction of constant modulus signals,” IEEE Trans. Acoust. Speech Signal Process. 31(2), 459–472 (1983).
    [CrossRef]
  11. S. J. Savory, “Digital filters for coherent optical receivers,” Opt. Express 16(2), 804–817 (2008).
    [CrossRef] [PubMed]
  12. M. Morelli and U. Mengali, “Feedforward frequency estimation for PSK: a tutorial review,” Eur. Trans. Telecommun. Relat. Technol. 9(2), 103–116 (1998).
    [CrossRef]
  13. M. Z. Tao, L. Li, A. Isomura, T. Hoshida, and J. C. Rasmussen, “Multiplier-free phase recovery for optical coherent receivers,” Optical Fiber Communication Conference and Exposition (OFC) and National Fiber Optic Engineers Conference (NFOEC) (Optical Society of America, Washington, DC, 2008), paper OWT2.
  14. A. Kobyakov, “Prospects of Raman-assisted transmission systems,” Proc. SPIE 5246, 174–188 (2003).
    [CrossRef]

2008

I. Fatadin, S. J. Savory, and D. Ives, “Compensation of quadrature imbalance in an optical QPSK coherent receiver,” IEEE Photon. Technol. Lett. 20(20), 1733–1735 (2008).
[CrossRef]

S. J. Savory, “Digital filters for coherent optical receivers,” Opt. Express 16(2), 804–817 (2008).
[CrossRef] [PubMed]

2003

A. Kobyakov, “Prospects of Raman-assisted transmission systems,” Proc. SPIE 5246, 174–188 (2003).
[CrossRef]

1998

M. Morelli and U. Mengali, “Feedforward frequency estimation for PSK: a tutorial review,” Eur. Trans. Telecommun. Relat. Technol. 9(2), 103–116 (1998).
[CrossRef]

1983

J. R. Treichler and B. G. Agee, “A new approach to multipath correction of constant modulus signals,” IEEE Trans. Acoust. Speech Signal Process. 31(2), 459–472 (1983).
[CrossRef]

Agee, B. G.

J. R. Treichler and B. G. Agee, “A new approach to multipath correction of constant modulus signals,” IEEE Trans. Acoust. Speech Signal Process. 31(2), 459–472 (1983).
[CrossRef]

Fatadin, I.

I. Fatadin, S. J. Savory, and D. Ives, “Compensation of quadrature imbalance in an optical QPSK coherent receiver,” IEEE Photon. Technol. Lett. 20(20), 1733–1735 (2008).
[CrossRef]

Ives, D.

I. Fatadin, S. J. Savory, and D. Ives, “Compensation of quadrature imbalance in an optical QPSK coherent receiver,” IEEE Photon. Technol. Lett. 20(20), 1733–1735 (2008).
[CrossRef]

Kobyakov, A.

A. Kobyakov, “Prospects of Raman-assisted transmission systems,” Proc. SPIE 5246, 174–188 (2003).
[CrossRef]

Mengali, U.

M. Morelli and U. Mengali, “Feedforward frequency estimation for PSK: a tutorial review,” Eur. Trans. Telecommun. Relat. Technol. 9(2), 103–116 (1998).
[CrossRef]

Morelli, M.

M. Morelli and U. Mengali, “Feedforward frequency estimation for PSK: a tutorial review,” Eur. Trans. Telecommun. Relat. Technol. 9(2), 103–116 (1998).
[CrossRef]

Savory, S. J.

I. Fatadin, S. J. Savory, and D. Ives, “Compensation of quadrature imbalance in an optical QPSK coherent receiver,” IEEE Photon. Technol. Lett. 20(20), 1733–1735 (2008).
[CrossRef]

S. J. Savory, “Digital filters for coherent optical receivers,” Opt. Express 16(2), 804–817 (2008).
[CrossRef] [PubMed]

Treichler, J. R.

J. R. Treichler and B. G. Agee, “A new approach to multipath correction of constant modulus signals,” IEEE Trans. Acoust. Speech Signal Process. 31(2), 459–472 (1983).
[CrossRef]

Eur. Trans. Telecommun. Relat. Technol.

M. Morelli and U. Mengali, “Feedforward frequency estimation for PSK: a tutorial review,” Eur. Trans. Telecommun. Relat. Technol. 9(2), 103–116 (1998).
[CrossRef]

IEEE Photon. Technol. Lett.

I. Fatadin, S. J. Savory, and D. Ives, “Compensation of quadrature imbalance in an optical QPSK coherent receiver,” IEEE Photon. Technol. Lett. 20(20), 1733–1735 (2008).
[CrossRef]

IEEE Trans. Acoust. Speech Signal Process.

J. R. Treichler and B. G. Agee, “A new approach to multipath correction of constant modulus signals,” IEEE Trans. Acoust. Speech Signal Process. 31(2), 459–472 (1983).
[CrossRef]

Opt. Express

Proc. SPIE

A. Kobyakov, “Prospects of Raman-assisted transmission systems,” Proc. SPIE 5246, 174–188 (2003).
[CrossRef]

Other

H. Meyer, M. Moeneclaey, and S. A. Fechtel, Digital Communications Receivers (Wiley-Interscience, 1997), section 5. 4.

M. Z. Tao, L. Li, A. Isomura, T. Hoshida, and J. C. Rasmussen, “Multiplier-free phase recovery for optical coherent receivers,” Optical Fiber Communication Conference and Exposition (OFC) and National Fiber Optic Engineers Conference (NFOEC) (Optical Society of America, Washington, DC, 2008), paper OWT2.

J. Bromage, J. -C. Bouteiller, H. J. Thiele, K. Brar, L. E. Nelson, S. Stulz, C. Headley, J. Kim, A. Klein, G. Baynham, L. V. Jørgensen, L. Grüner-Nielsen, R. L. Lingle, Jr. , and D. J. DiGiovanni, “High co-directional Raman gain for 200-km spans enabling 40 x 10. 66 Gb/s transmission over 2400 km,” in Optical Fiber Communication Conference and Exposition (Optical Society of America, Washington, DC, 2003), paper PD24–1.

D. Z. Chen, G. Wellbrock, N. Robinson, S. Y. Park, C. Burton, S. J. Penticost, F. Liu, and P. Mamyshev, “Long-haul “Hut-Skipped” transmission of mixed 10 & 40 Gb/s signals over deployed SSMF fiber in MCI’s Dallas fiber loop using hybrid Raman-Erbium doped fiber amplifiers,” in Optical Fiber Communication Conference and Exposition and The National Fiber Optic Engineers Conference on CD-ROM (Optical Society of America, Washington, DC, 2005), paper OTuH6.

Y. Yamamoto, M. Hirano, K. Kuwahara, and T. Sasaki, “OSNR-Enhancing Pure-Silica-Core Fiber with Large Effective Area and Low Attenuation,” in Optical Fiber Communication Conference and Exposition (OFC) and National Fiber Optic Engineers Conference (NFOEC) (Optical Society of America, Washington, DC, 2010), paper OTuI2.

R. Chen, M. O’Sullivan, C. Ward, S. Asselin, and M. Belanger, “Next Generation Transmission Fiber for Coherent Systems,” in Optical Fiber Communication Conference and Exposition (OFC) and National Fiber Optic Engineers Conference (NFOEC) (Optical Society of America, Washington, DC, 2010), paper OTuI1.

J. D. Downie, J. E. Hurley, J. Cartledge, S. R. Bickham, and S. Mishra, “Transmission of 112 Gb/s PM-QPSK signals over 7200 km of Optical Fiber with Very Large Effective Area and Ultra-Low Loss in 100 km Spans with EDFAs Only,” in Optical Fiber Communication Conference and Exposition (OFC) and National Fiber Optic Engineers Conference (NFOEC) (Optical Society of America, Washington, DC, 2011), paper OMI6.

L. M. Gleeson, M. E. McCarthy, M. D. Willis, J. H. B. Nijhof, B. K. Nayar, W. Forysiak, C. R. Towery, and S. Ten, “43Gbits/ NRZ-DPSK and RZ-DQPSK transmission over 1000km of G.652 ultra-low-loss fibre with 200km amplifier spans,” in Optical Fiber Communication Conference and Exposition (OFC) and National Fiber Optic Engineers Conference (NFOEC) (Optical Society of America, Washington, DC, 2010), paper NTuC1.

M. E. McCarthy, L. M. Gleeson, M. F. C. Stephens, I. D. Phillips, W. Forysiak, C. R. Towery, and S. Ten, “43Gbits RZ-DQPSK Transmission Over 1000km of G.652 Ultra-Low-Loss Fibre with 250km Amplifier Spans,” in Proceedings of European Conf. Opt. Commun. (2010),paper P4. 13.

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