Abstract

In this paper, we examine how typical transmission systems can be made tunable in datarate, up to 100 Gb/s, through modulation-format versatility. We investigate through extensive numerical simulations the available reach versus datarate, taking in particular into account the nonlinear interaction between channels in this mixed-format context. We show how these versatile transmission systems can be used to design a so-called elastic optical network in which the datarate of a wavelength is adapted to both the traffic that needs to be transported and the amount of physical impairments that need to be overcome. We examine the benefits of such elastic optical networks in the case of a European backbone network, showing that elastic architectures outperform fixed-rate networks by up to 21% in terms of required number of opto-electronic interfaces.

© 2011 IEEE

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  1. Y. Zhang, P. Chowdhury, M. Tornatore, B. Mukherjee, "Energy efficiency in telecom optical networks," Commun. Surveys Tuts. PP, 1-18 (2010).
  2. E. Desurvire, "Capacity demand and technology challenges for lightwave systems in the next two decades," J. Lightw. Technol. 24, 4697-4710 (2006).
  3. R. Tkach, "Scaling optical communications for the next decade and beyond," Bell Labs Tech. J. 14, 3-9 (2010).
  4. G. Shen, R. S. Tucker, "Energy-minimized design for IP over WDM networks," IEEE/OSA J. Opt. Commun. Netw. 1, 176-186 (2009).
  5. B. Ramamurthy, "Transparent versus opaque versus translucent wavelength-routed optical networks," Proc. OFC (1999) pp. 59-61.
  6. A. Nag, "Optical network design with mixed line rates and multiple modulation formats," J. Lightw. Technol. 28, 466-475 (2010).
  7. C. Meusburger, "Optimizing the migration of channels with higher bitrates," J. Lightw. Technol. 28, 608-615 (2010).
  8. O. Rival, "Optical network planning with rate-tunable NRZ transponders," Proc. ECOC (2009).
  9. A. Klekamp, "Transparent WDM network with bitrate tunable optical OFDM transponders," Proc. OFC (2010).
  10. B. Teipen, "Adaptive optical transmission for dynamic optical networks," Proc. ICTON (2010).
  11. O. Rival, "Elastic optical networks with 25–100 G format-versatile WDM transmission systems," Proc. OECC .
  12. J. Renaudier, "Investigation on WDM nonlinear impairments arising from the insertion of 100-Gb/s coherent PDM-QPSK over legacy optical networks," IEEE Photon. Technol. Lett. 21, 1816-1818 (2009).
  13. D. van der Borne, "POLMUX-QPSK modulation and coherent detection: The challenge of long-haul 100 G transmission," Proc. ECOC (2009).
  14. C. Fludger, "Coherent equalization and POLMUX-RZ-DQPSK for robust 100-GE transmission," J. Lightw. Technol. 26, 64-72 (2008).
  15. G. Charlet, "Coherent detection associated with digital signal processing for fiber optics communication," C. R. Phys. 9, 1012-1030 (2008).
  16. M. Kuschnerov, F. Hauske, K. Piyawanno, B. Spinnler, M. Alfiad, A. Napoli, B. Lankl, "DSP for coherent single-carrier receivers," J. Lightw. Technol. 27, 3614-3622 (2009).
  17. E. Ip, J. Kahn, "Feedforward carrier recovery for coherent optical communication," J. Lightw. Technol. 25, 2667-2674 (2007).
  18. A. Bononi, "Which is the dominant nonlinearity in long-haul PDM-QPSK coherent transmissions?," Proc. ECOC (2010).
  19. E. Grellier, "Are multilevel pseudorandom sequences really needed to emulate highly dispersive optical transmission systems?," Proc. ECOC (2010).
  20. M. Joindot, "State of the art and future of WDM transmission," Ann. Telecommun. 58, 1725-1756 (2003).
  21. T. Zami, "The relevant impact of the physical parameter uncertainties when dimensioning an optical core transparent network," ECOC'08 (2008).
  22. J. G. Proakis, D. K. Manolakis, Digital Signal Processing: Principles, Algorithms and Applications (Prentice-Hall, 1995).
  23. C. Xie, "WDM coherent PDM-QPSK systems with and without inline optical dispersion compensation," Opt. Exp. 17, 4815-4823.
  24. A. Morea, O. Rival, "Advantages of elasticity versus fixed data-rate schemes for restorable optical networks," Proc. ECOC (2010).
  25. O. Rival, A. Morea, "Cost-efficiency of mixed 10-40-100 Gb/s networks and elastic optical networks," Proc. OFC (2011).

2010 (4)

Y. Zhang, P. Chowdhury, M. Tornatore, B. Mukherjee, "Energy efficiency in telecom optical networks," Commun. Surveys Tuts. PP, 1-18 (2010).

R. Tkach, "Scaling optical communications for the next decade and beyond," Bell Labs Tech. J. 14, 3-9 (2010).

A. Nag, "Optical network design with mixed line rates and multiple modulation formats," J. Lightw. Technol. 28, 466-475 (2010).

C. Meusburger, "Optimizing the migration of channels with higher bitrates," J. Lightw. Technol. 28, 608-615 (2010).

2009 (3)

J. Renaudier, "Investigation on WDM nonlinear impairments arising from the insertion of 100-Gb/s coherent PDM-QPSK over legacy optical networks," IEEE Photon. Technol. Lett. 21, 1816-1818 (2009).

G. Shen, R. S. Tucker, "Energy-minimized design for IP over WDM networks," IEEE/OSA J. Opt. Commun. Netw. 1, 176-186 (2009).

M. Kuschnerov, F. Hauske, K. Piyawanno, B. Spinnler, M. Alfiad, A. Napoli, B. Lankl, "DSP for coherent single-carrier receivers," J. Lightw. Technol. 27, 3614-3622 (2009).

2008 (2)

C. Fludger, "Coherent equalization and POLMUX-RZ-DQPSK for robust 100-GE transmission," J. Lightw. Technol. 26, 64-72 (2008).

G. Charlet, "Coherent detection associated with digital signal processing for fiber optics communication," C. R. Phys. 9, 1012-1030 (2008).

2007 (1)

E. Ip, J. Kahn, "Feedforward carrier recovery for coherent optical communication," J. Lightw. Technol. 25, 2667-2674 (2007).

2006 (1)

E. Desurvire, "Capacity demand and technology challenges for lightwave systems in the next two decades," J. Lightw. Technol. 24, 4697-4710 (2006).

2003 (1)

M. Joindot, "State of the art and future of WDM transmission," Ann. Telecommun. 58, 1725-1756 (2003).

Ann. Telecommun. (1)

M. Joindot, "State of the art and future of WDM transmission," Ann. Telecommun. 58, 1725-1756 (2003).

Bell Labs Tech. J. (1)

R. Tkach, "Scaling optical communications for the next decade and beyond," Bell Labs Tech. J. 14, 3-9 (2010).

C. R. Phys. (1)

G. Charlet, "Coherent detection associated with digital signal processing for fiber optics communication," C. R. Phys. 9, 1012-1030 (2008).

Commun. Surveys Tuts. (1)

Y. Zhang, P. Chowdhury, M. Tornatore, B. Mukherjee, "Energy efficiency in telecom optical networks," Commun. Surveys Tuts. PP, 1-18 (2010).

IEEE Photon. Technol. Lett. (1)

J. Renaudier, "Investigation on WDM nonlinear impairments arising from the insertion of 100-Gb/s coherent PDM-QPSK over legacy optical networks," IEEE Photon. Technol. Lett. 21, 1816-1818 (2009).

IEEE/OSA J. Opt. Commun. Netw. (1)

G. Shen, R. S. Tucker, "Energy-minimized design for IP over WDM networks," IEEE/OSA J. Opt. Commun. Netw. 1, 176-186 (2009).

J. Lightw. Technol. (2)

A. Nag, "Optical network design with mixed line rates and multiple modulation formats," J. Lightw. Technol. 28, 466-475 (2010).

C. Fludger, "Coherent equalization and POLMUX-RZ-DQPSK for robust 100-GE transmission," J. Lightw. Technol. 26, 64-72 (2008).

J. Lightw. Technol. (1)

C. Meusburger, "Optimizing the migration of channels with higher bitrates," J. Lightw. Technol. 28, 608-615 (2010).

J. Lightw. Technol. (3)

E. Desurvire, "Capacity demand and technology challenges for lightwave systems in the next two decades," J. Lightw. Technol. 24, 4697-4710 (2006).

M. Kuschnerov, F. Hauske, K. Piyawanno, B. Spinnler, M. Alfiad, A. Napoli, B. Lankl, "DSP for coherent single-carrier receivers," J. Lightw. Technol. 27, 3614-3622 (2009).

E. Ip, J. Kahn, "Feedforward carrier recovery for coherent optical communication," J. Lightw. Technol. 25, 2667-2674 (2007).

Opt. Exp. (1)

C. Xie, "WDM coherent PDM-QPSK systems with and without inline optical dispersion compensation," Opt. Exp. 17, 4815-4823.

Other (12)

A. Morea, O. Rival, "Advantages of elasticity versus fixed data-rate schemes for restorable optical networks," Proc. ECOC (2010).

O. Rival, A. Morea, "Cost-efficiency of mixed 10-40-100 Gb/s networks and elastic optical networks," Proc. OFC (2011).

A. Bononi, "Which is the dominant nonlinearity in long-haul PDM-QPSK coherent transmissions?," Proc. ECOC (2010).

E. Grellier, "Are multilevel pseudorandom sequences really needed to emulate highly dispersive optical transmission systems?," Proc. ECOC (2010).

D. van der Borne, "POLMUX-QPSK modulation and coherent detection: The challenge of long-haul 100 G transmission," Proc. ECOC (2009).

T. Zami, "The relevant impact of the physical parameter uncertainties when dimensioning an optical core transparent network," ECOC'08 (2008).

J. G. Proakis, D. K. Manolakis, Digital Signal Processing: Principles, Algorithms and Applications (Prentice-Hall, 1995).

B. Ramamurthy, "Transparent versus opaque versus translucent wavelength-routed optical networks," Proc. OFC (1999) pp. 59-61.

O. Rival, "Optical network planning with rate-tunable NRZ transponders," Proc. ECOC (2009).

A. Klekamp, "Transparent WDM network with bitrate tunable optical OFDM transponders," Proc. OFC (2010).

B. Teipen, "Adaptive optical transmission for dynamic optical networks," Proc. ICTON (2010).

O. Rival, "Elastic optical networks with 25–100 G format-versatile WDM transmission systems," Proc. OECC .

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