Abstract

In this paper we report field transmission of a 2Tbit/s multi-banded Coherent WDM signal over BT Ireland’s installed SMF, using EDFA amplification only, with mixed Ethernet (with FEC) and PRBS payloads. To the best of our knowledge, the results obtained represent the highest total capacity transmitted over installed SMF with orthogonal subcarriers. BERs below 10−5 and no frame-loss were recorded for all 49 subcarriers. Extended BER measurements over several hours showed fluctuations that can be attributed to PMD and to dynamic effects associated with clock instabilities.

© 2010 OSA

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  1. Optical Internetworking Forum, “100G Ultra Long Haul DWDM Framework Document,” June 30, 2009.
  2. J. Yu, X. Zhou, M.-F. Huang, D. Qian, P. N. Ji, T. Wang, and P. Magill, “400Gb/s (4 x 100Gb/s) orthogonal PDM-RZ-QPSK DWDM signal transmission over 1040km SMF-28,” Opt. Express 17(20), 17928–17933 (2009).
    [CrossRef] [PubMed]
  3. A. F. Bach, “Network and Interconnect Requirements for Global Equities Trading at NYSE/Euronext,” Keynote 1, IEEE Symposium on High Performance Interconnects, 2008.
  4. T. J. Xia, G. Wellbrock, B. Basch, S. Kotrla, W. Lee, T. Tajima, K. Fukuchi, M. Cvijetic, J. Sugg, Y. Ma, B. Turner, C. Cole, and C. Urricariet, “End-to-end Native IP Data 100G Single Carrier Real Time DSP Coherent Detection Transport over 1520-km Field Deployed Fiber,” Optical Fiber Communication Conference (2010), Post-Deadline Paper D4.
  5. P. Frascella, S. K. Ibrahim, F. C. G. Gunning, P. Gunning, and A. D. Ellis, “Transmission of a 288Gbit/s Ethernet Superchannel over 124km un-repeatered field-installed SMF,” Optical Fiber Communication Conference (2010), OThD2.
  6. A. D. Ellis and F. C. G. Gunning, “Spectral density enhancement using coherent WDM,” IEEE Photon. Technol. Lett. 17(2), 504–506 (2005).
    [CrossRef]
  7. W. Shieh and C. Authaudage, “Coherent optical orthogonal frequency division multiplexing,” Electron. Lett. 42(10), 587 (2006).
    [CrossRef]
  8. H. Sanjoh, E. Yamada, and Y. Yoshikuni, “Optical orthogonal frequency division multiplexing using frequency/time domain filtering for high spectral efficiency up to 1bit/s/Hz,” Optical Fiber Communication Conference (2002), ThD1.
  9. B. J. C. Schmidt, A. J. Lowery, and J. Armstrong, “Experimental Demonstrations of 20 Gbit/s Direct-Detection Optical OFDM and 12 Gbit/s with a colorless transmitter,” Optical Fiber Communication Conference (2007), Post-Deadline Paper 18.
  10. H. Chen, M. Chen, and S. Xie, “All-optical sampling orthogonal frequency-division multiplexing scheme for high-speed transmission system,” J. Lightwave Technol. 27(21), 4848–4854 (2009).
    [CrossRef]
  11. G. Goldfarb, G. Li, and M. G. Taylor, “Orthogonal Wavelength-Division Multiplexing using Coherent Detection,” IEEE Photon. Technol. Lett. 19(24), 2015–2017 (2007).
    [CrossRef]
  12. A. D. Ellis, F. C. G. Gunning, B. Cuenot, T. C. Healy, and E. Pincemin, “Towards 1TbE using Coherent WDM,” OptoElectronics and Communications Conference (2008), WeA-1.
  13. A. Sano, E. Yamada, H. Masuda, E. Yamazaki, T. Kobayashi, E. Yoshida, Y. Miyamoto, S. Matsuoka, R. Kudo, K. Ishihara, Y. Takatori, M. Mizoguchi, K. Okada, K. Hagimoto, H. Yamazaki, S. Kamei, and H. Ishii, “13.4-Tb/s (134×11-Gb/s/ch) No-Guard-Interval Coherent OFDM Transmission over 3,600 km of SMF with 19-ps average PMD,” European Conference on Communications (2008), Post-Deadline Paper Th.3.E.1.
  14. R. Dischler, A. Klekamp, F. Buchali, W. Idler, E. Lach, A. Schippel, M. Schneiders, S. Vorbeck, and R.-P. Braun, “Transmission of 3×253-Gb/s OFDM-Superchannels over 764 km Field Deployed Single Mode Fibers,” Optical Fiber Communication Conference (2010), Post-Deadline Paper D2. 92.
  15. P. Frascella, F. C. G. Gunning, S. K. Ibrahim, P. Gunning, and A. D. Ellis, “PMD tolerance of 288 Gbit/s Coherent WDM and transmission over unrepeatered 124 km of field-installed single mode optical fiber,” Opt. Express 18(13), 13908–13914 (2010).
    [CrossRef] [PubMed]
  16. F. C. G. Gunning, T. Healy, R. J. Manning, and A. D. Ellis, “Multi-banded Coherent WDM Transmission,” European Conference on Optical Communications (2005), vol.6, Post-Deadline Paper Th 4.2.6.
  17. ITU-T Recommendation G.975 and G.975.1.
  18. M. Sexton and A. Reid, Transmission Networking: SONET and the Synchronous Digital Hierarchy, (Artech House 1992).
  19. T. Healy, F. C. Garcia Gunning, A. D. Ellis, and J. D. Bull, “Multi-wavelength source using low drive-voltage amplitude modulators for optical communications,” Opt. Express 15(6), 2981–2986 (2007).
    [CrossRef] [PubMed]
  20. T. Healy, F. C. G. Gunning, and A. D. Ellis, “Phase Stabilisation of Coherent WDM Modulator Array,” Optical Fiber Communication Conference (2006), OTuI5.
  21. I. P. Kaminow, T. Li, and A. E. Willner, Optical Fiber Telecommunications V A: Components and Subsystems, (Elsevier 2008).

2010 (1)

2009 (2)

2007 (2)

G. Goldfarb, G. Li, and M. G. Taylor, “Orthogonal Wavelength-Division Multiplexing using Coherent Detection,” IEEE Photon. Technol. Lett. 19(24), 2015–2017 (2007).
[CrossRef]

T. Healy, F. C. Garcia Gunning, A. D. Ellis, and J. D. Bull, “Multi-wavelength source using low drive-voltage amplitude modulators for optical communications,” Opt. Express 15(6), 2981–2986 (2007).
[CrossRef] [PubMed]

2006 (1)

W. Shieh and C. Authaudage, “Coherent optical orthogonal frequency division multiplexing,” Electron. Lett. 42(10), 587 (2006).
[CrossRef]

2005 (1)

A. D. Ellis and F. C. G. Gunning, “Spectral density enhancement using coherent WDM,” IEEE Photon. Technol. Lett. 17(2), 504–506 (2005).
[CrossRef]

Authaudage, C.

W. Shieh and C. Authaudage, “Coherent optical orthogonal frequency division multiplexing,” Electron. Lett. 42(10), 587 (2006).
[CrossRef]

Bull, J. D.

Chen, H.

Chen, M.

Ellis, A. D.

Frascella, P.

Garcia Gunning, F. C.

Goldfarb, G.

G. Goldfarb, G. Li, and M. G. Taylor, “Orthogonal Wavelength-Division Multiplexing using Coherent Detection,” IEEE Photon. Technol. Lett. 19(24), 2015–2017 (2007).
[CrossRef]

Gunning, F. C. G.

Gunning, P.

Healy, T.

Huang, M.-F.

Ibrahim, S. K.

Ji, P. N.

Li, G.

G. Goldfarb, G. Li, and M. G. Taylor, “Orthogonal Wavelength-Division Multiplexing using Coherent Detection,” IEEE Photon. Technol. Lett. 19(24), 2015–2017 (2007).
[CrossRef]

Magill, P.

Qian, D.

Shieh, W.

W. Shieh and C. Authaudage, “Coherent optical orthogonal frequency division multiplexing,” Electron. Lett. 42(10), 587 (2006).
[CrossRef]

Taylor, M. G.

G. Goldfarb, G. Li, and M. G. Taylor, “Orthogonal Wavelength-Division Multiplexing using Coherent Detection,” IEEE Photon. Technol. Lett. 19(24), 2015–2017 (2007).
[CrossRef]

Wang, T.

Xie, S.

Yu, J.

Zhou, X.

Electron. Lett. (1)

W. Shieh and C. Authaudage, “Coherent optical orthogonal frequency division multiplexing,” Electron. Lett. 42(10), 587 (2006).
[CrossRef]

IEEE Photon. Technol. Lett. (2)

G. Goldfarb, G. Li, and M. G. Taylor, “Orthogonal Wavelength-Division Multiplexing using Coherent Detection,” IEEE Photon. Technol. Lett. 19(24), 2015–2017 (2007).
[CrossRef]

A. D. Ellis and F. C. G. Gunning, “Spectral density enhancement using coherent WDM,” IEEE Photon. Technol. Lett. 17(2), 504–506 (2005).
[CrossRef]

J. Lightwave Technol. (1)

Opt. Express (3)

Other (14)

H. Sanjoh, E. Yamada, and Y. Yoshikuni, “Optical orthogonal frequency division multiplexing using frequency/time domain filtering for high spectral efficiency up to 1bit/s/Hz,” Optical Fiber Communication Conference (2002), ThD1.

B. J. C. Schmidt, A. J. Lowery, and J. Armstrong, “Experimental Demonstrations of 20 Gbit/s Direct-Detection Optical OFDM and 12 Gbit/s with a colorless transmitter,” Optical Fiber Communication Conference (2007), Post-Deadline Paper 18.

A. F. Bach, “Network and Interconnect Requirements for Global Equities Trading at NYSE/Euronext,” Keynote 1, IEEE Symposium on High Performance Interconnects, 2008.

T. J. Xia, G. Wellbrock, B. Basch, S. Kotrla, W. Lee, T. Tajima, K. Fukuchi, M. Cvijetic, J. Sugg, Y. Ma, B. Turner, C. Cole, and C. Urricariet, “End-to-end Native IP Data 100G Single Carrier Real Time DSP Coherent Detection Transport over 1520-km Field Deployed Fiber,” Optical Fiber Communication Conference (2010), Post-Deadline Paper D4.

P. Frascella, S. K. Ibrahim, F. C. G. Gunning, P. Gunning, and A. D. Ellis, “Transmission of a 288Gbit/s Ethernet Superchannel over 124km un-repeatered field-installed SMF,” Optical Fiber Communication Conference (2010), OThD2.

A. D. Ellis, F. C. G. Gunning, B. Cuenot, T. C. Healy, and E. Pincemin, “Towards 1TbE using Coherent WDM,” OptoElectronics and Communications Conference (2008), WeA-1.

A. Sano, E. Yamada, H. Masuda, E. Yamazaki, T. Kobayashi, E. Yoshida, Y. Miyamoto, S. Matsuoka, R. Kudo, K. Ishihara, Y. Takatori, M. Mizoguchi, K. Okada, K. Hagimoto, H. Yamazaki, S. Kamei, and H. Ishii, “13.4-Tb/s (134×11-Gb/s/ch) No-Guard-Interval Coherent OFDM Transmission over 3,600 km of SMF with 19-ps average PMD,” European Conference on Communications (2008), Post-Deadline Paper Th.3.E.1.

R. Dischler, A. Klekamp, F. Buchali, W. Idler, E. Lach, A. Schippel, M. Schneiders, S. Vorbeck, and R.-P. Braun, “Transmission of 3×253-Gb/s OFDM-Superchannels over 764 km Field Deployed Single Mode Fibers,” Optical Fiber Communication Conference (2010), Post-Deadline Paper D2. 92.

F. C. G. Gunning, T. Healy, R. J. Manning, and A. D. Ellis, “Multi-banded Coherent WDM Transmission,” European Conference on Optical Communications (2005), vol.6, Post-Deadline Paper Th 4.2.6.

ITU-T Recommendation G.975 and G.975.1.

M. Sexton and A. Reid, Transmission Networking: SONET and the Synchronous Digital Hierarchy, (Artech House 1992).

Optical Internetworking Forum, “100G Ultra Long Haul DWDM Framework Document,” June 30, 2009.

T. Healy, F. C. G. Gunning, and A. D. Ellis, “Phase Stabilisation of Coherent WDM Modulator Array,” Optical Fiber Communication Conference (2006), OTuI5.

I. P. Kaminow, T. Li, and A. E. Willner, Optical Fiber Telecommunications V A: Components and Subsystems, (Elsevier 2008).

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Figures (7)

Fig. 1
Fig. 1

Experimental setup for 2Tbit/s transmission over 124km of field-installed SMF.

Fig. 2
Fig. 2

BER performance after transmission for the best (#25) and worst (#48) subcarriers in terms of (a) total received power, and (b) received OSNR. Grey crosses are all the other 47 subcarriers, represented only on the left graph for clarity. The dashed lines in red represent the threshold for (1) the used FEC board and (2) an enhanced FEC threshold of 2 × 10−3. (c) Respective eye-diagrams at maximum received power.

Fig. 3
Fig. 3

Left: received optical spectrum after transmission with a resolution bandwidth of 0.02nm. Right: total received power at BER of 1.0 × 10−5 (filled diamonds) and at FLR of 2.3 × 10−10 (open triangles).

Fig. 4
Fig. 4

BER variation (left axis- blue) and phase error (right axis- green) for the PRBS tributary of subcarriers (a) #18 and (b) #29. The BER gating window was set to 100ms. (c) RF spectral analysis of the clock output of the FEC board.

Fig. 5
Fig. 5

Details of the phase stabilization circuit inside the transmitter. The different paths and the associated time delays of the signals mixed at the phase stabilization circuit are also indicated in green.

Fig. 6
Fig. 6

Long term BER measurement over time for subcarrier #19. The BER gating window was set to 100ms.

Fig. 7
Fig. 7

(a) Probability Density Function (PDF); and (b) complementary cumulative probability calculated from the long term BER measurement relative to an average performance subcarrier (#19). The blue lines are extrapolating slopes from the data, and dashed red lines represent FEC thresholds as from Fig. 2. The green dashed line represents a desirable outage probability [21].

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