Abstract

We propose a modular scalable long-haul architecture supporting variable-bandwidth channels with bit rates from 100 Gbit/s to beyond 1 Tbit/s. Colorless transceivers have two operating modes. One transceiver can transmit/receive a conventional narrow-band channel occupying a 30-GHz bandwidth and conveying 100 Gbit/s, or a set of <i>M</i> transceivers can cooperate to transmit/receive a wideband channel occupying an <i>M</i> × 50-GHz bandwidth and conveying roughly 160 Gbit/s per 50 GHz (assuming polarization-multiplexed quaternary phase-shift keying). A colorless wavelength-selective switch supports two modes of add/drop (or (de)multiplexing) operation. It can add/drop narrow-band channels (each from/to one port) with minimal loss, or can add/drop wideband channels (each from/to <i>M</i> ports) without spectral gaps, with an additional loss not exceeding 1/3 (-4.8 dB), independent of <i>M</i>. Transceivers can use either single-carrier modulation or orthogonal frequency-division multiplexing (OFDM). We analyze and simulate OFDM-based systems to determine key design requirements, especially for synchronization of cooperating transceivers. A representative design achieves 1520-km reach with 1.4-dB margin in a dispersion-managed network using only erbium-doped fiber amplifiers, improving average spectral efficiency from about 2 to nearly 3 bits/s/Hz.

© 2012 IEEE

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  1. G. Bosco, V. Curri, A. Carena, P. Poggiolini, F. Forghieri, "On the performance of Nyquist-WDM Terabit superchannels based on PM-BPSK, PM-QPSK, PM-8QAM or PM-16QAM subcarriers," J. Lightw. Technol. 29, 53-61 (2011).
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  3. A. Sano, "No-guard-interval coherent optical OFDM for 100-Gb/s long-haul WDM transmission," J. Lightw. Technol. 27, 3705-3713 (2009).
  4. H. Masuda, "13.5-Tb/s (135×111-Gb/s/ch) no-guard-interval coherent OFDM transmission over 6 248 km using SNR maximized second-order DRA in the extended L-band," Opt. Fiber Commun. Conf. San DiegoCA (2009) Paper PDPB5.
  5. B. Zhu, X. Liu, S. Chandrasekhar, D. W. Peckham, R. Lingle, "Ultra-long-haul transmission of 1.2-Tb/s multicarrier no-guard-interval CO-OFDM superchannel using ultra-large-area fiber," IEEE Photon. Technol. Lett. 22, 826-828 (2010).
  6. S. Chandrasekhar, X. Liu, "Terabit superchannels for high spectral efficiency transmission," Proc. Eur. Conf. Exhib. Opt. Commun. (2010) pp. 1-6.
  7. T. J. Xia, "Field experiment with mixed line-rate transmission (112-Gb/s, 450-Gb/s, and 1.15-Tb/s) over 3 560 km of installed fiber using filterless coherent receiver and EDFAs only," Opt. Fiber Commun. Conf. Los AngelesCA (2011) Paper PDPA3.
  8. J. Yu, "Generation, transmission and coherent detection of 11.2 Tb/s (112×100 Gb/s) single source optical OFDM superchannel," Opt. Fiber Commun. Conf. Los AngelesCA (2011) Paper PDPA6.
  9. Y. Ma, Q. Yang, Y. Tang, S. Chen, W. Shieh, "1-Tb/s single-channel coherent optical OFDM transmission over 600-km SSMF fiber with subwavelength bandwidth access," Opt. Exp. 17, 9421-9427 (2009).
  10. R. Dischler, F. Buchali, "Transmission of 1.2 Tb/s continuous waveband PDM-OFDM-FDM signal with spectral efficiency of 3.3 bit/s/Hz over 400 km of SSMF," Opt. Fiber Commun. Conf. San DiegoCA, p. 2009 Paper PDPC2.
  11. R. Dischler, "Transmission of 3×253-Gb/s OFDM-Superchannels over 764 km field deployed single mode fibers," Opt. Fiber Commun. Conf. San DiegoCA (2010) Paper PDPD2.
  12. S. Frisken, "Advances in liquid crystal on silicon wavelength selective switching," Opt. Fiber Commun. Conf. AnaheimCA (2007) Paper OWV4.
  13. M. D. Feuer, D. C. Kilper, S. L. Woodward, Optical Fiber Telecommunications V-B (Academic, 2008).
  14. T. A. Strasser, J. Taylor, "ROADMs unlock the edge of the network," IEEE Commun. Mag. 46, 146-149 (2008).
  15. MM Research, Inc.,TucsonAZ.
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  19. S. L. Jansen, I. Morita, T. C. W. Schenk, N. Takeda, H. Tanaka, "Coherent optical 25.8-Gb/s OFDM transmission over 4160-km SSMF," J. Lightw. Technol. 26, 6-15 (2008).
  20. T. M. Schmidl, D. C. Cox, "Robust frequency and timing synchronization for OFDM," IEEE Trans. Commun. 45, 1613-1621 (1997).
  21. M. Sliskovic, "Carrier and sampling frequency offset estimation and correction in multicarrier systems," Proc. GLOBECOM (2001) pp. 285-289.
  22. J. J. van de Beek, M. Sandell, P. O. Borjesson, "ML estimation of time and frequency offset in OFDM systems," IEEE Trans. Signal Process. 45, 1800-1805 (1997).
  23. S. Wu, Y. Bar-Ness, "OFDM systems in the presence of phase noise: Consequences and solutions," IEEE Trans. Commun. 52, 1988-1996 (2004).
  24. K. P. Ho, J. M. Kahn, "Optical frequency comb generator using phase modulation in amplified circulating loop," IEEE Photon. Technol. Lett. 5, 721-725 (1993).
  25. S. Bennett, B. Cai, E. Burr, O. Gough, A. J. Seeds, "1.8-THz bandwidth, zero-frequency error, tunable optical comb generator for DWDM applications," IEEE Photon. Technol. Lett. 11, 551-553 (1999).
  26. Q. Zhuge, M. Morsy-Osman, D. V. Plant, "Analysis of dispersion-enhanced phase noise in CO-OFDM systems with RF-pilot phase compensation," Opt. Exp. 19, 24030-24036 (2011).
  27. X. Yi, W. Shieh, Y. Ma, "Phase noise effects on high spectral efficiency coherent optical OFDM transmission," J. Lightw. Technol. 26, 1309-1316 (2008).
  28. M. Nazarathy, "Phased-array cancellation of nonlinear FWM in coherent OFDM dispersive multi-span links," Opt. Exp. 16, 15777-15810 (2008).
  29. Y. Tang, Y. Ma, W. Shieh, "Performance impact of inline chromatic dispersion compensation for 107-Gb/s coherent optical OFDM," IEEE Photon. Technol. Lett. 21, 1042-1044 (2009).
  30. M. Scholten, T. Coe, J. Dillard, "Continuously-interleaved BCH (CI-BCH) FEC delivers best in class NECG for 40G and 100G metro applications," Proc. Opt. Fiber Commun. Conf. (2010) pp. 1-3.

2011 (2)

G. Bosco, V. Curri, A. Carena, P. Poggiolini, F. Forghieri, "On the performance of Nyquist-WDM Terabit superchannels based on PM-BPSK, PM-QPSK, PM-8QAM or PM-16QAM subcarriers," J. Lightw. Technol. 29, 53-61 (2011).

Q. Zhuge, M. Morsy-Osman, D. V. Plant, "Analysis of dispersion-enhanced phase noise in CO-OFDM systems with RF-pilot phase compensation," Opt. Exp. 19, 24030-24036 (2011).

2010 (2)

G. Gavioli, "Ultra-narrow-spacing 10-channel 1.12 Tb/s D-WDM long-haul transmission over uncompensated SMF and NZDSF," IEEE Photon. Technol. Lett. 22, 1419-1421 (2010).

B. Zhu, X. Liu, S. Chandrasekhar, D. W. Peckham, R. Lingle, "Ultra-long-haul transmission of 1.2-Tb/s multicarrier no-guard-interval CO-OFDM superchannel using ultra-large-area fiber," IEEE Photon. Technol. Lett. 22, 826-828 (2010).

2009 (3)

Y. Ma, Q. Yang, Y. Tang, S. Chen, W. Shieh, "1-Tb/s single-channel coherent optical OFDM transmission over 600-km SSMF fiber with subwavelength bandwidth access," Opt. Exp. 17, 9421-9427 (2009).

A. Sano, "No-guard-interval coherent optical OFDM for 100-Gb/s long-haul WDM transmission," J. Lightw. Technol. 27, 3705-3713 (2009).

Y. Tang, Y. Ma, W. Shieh, "Performance impact of inline chromatic dispersion compensation for 107-Gb/s coherent optical OFDM," IEEE Photon. Technol. Lett. 21, 1042-1044 (2009).

2008 (5)

X. Yi, W. Shieh, Y. Ma, "Phase noise effects on high spectral efficiency coherent optical OFDM transmission," J. Lightw. Technol. 26, 1309-1316 (2008).

M. Nazarathy, "Phased-array cancellation of nonlinear FWM in coherent OFDM dispersive multi-span links," Opt. Exp. 16, 15777-15810 (2008).

S. L. Jansen, I. Morita, T. C. W. Schenk, N. Takeda, H. Tanaka, "Coherent optical 25.8-Gb/s OFDM transmission over 4160-km SSMF," J. Lightw. Technol. 26, 6-15 (2008).

T. A. Strasser, J. Taylor, "ROADMs unlock the edge of the network," IEEE Commun. Mag. 46, 146-149 (2008).

D. J. F. Barros, J. M. Kahn, "Optimized dispersion compensation using orthogonal frequency-division multiplexing," J. Lightw. Technol. 26, 2889-2898 (2008).

2004 (1)

S. Wu, Y. Bar-Ness, "OFDM systems in the presence of phase noise: Consequences and solutions," IEEE Trans. Commun. 52, 1988-1996 (2004).

1999 (2)

S. Bennett, B. Cai, E. Burr, O. Gough, A. J. Seeds, "1.8-THz bandwidth, zero-frequency error, tunable optical comb generator for DWDM applications," IEEE Photon. Technol. Lett. 11, 551-553 (1999).

F. Sjoberg, M. Isaksson, R. Nilsson, S. K. Wilson, P. Odling, P. O. Borjesson, "Zipper: A duplex method for VDSL based on DMT," IEEE Trans. Commun. 47, 1245-1252 (1999).

1997 (2)

T. M. Schmidl, D. C. Cox, "Robust frequency and timing synchronization for OFDM," IEEE Trans. Commun. 45, 1613-1621 (1997).

J. J. van de Beek, M. Sandell, P. O. Borjesson, "ML estimation of time and frequency offset in OFDM systems," IEEE Trans. Signal Process. 45, 1800-1805 (1997).

1993 (1)

K. P. Ho, J. M. Kahn, "Optical frequency comb generator using phase modulation in amplified circulating loop," IEEE Photon. Technol. Lett. 5, 721-725 (1993).

IEEE Photon. Technol. Lett. (1)

K. P. Ho, J. M. Kahn, "Optical frequency comb generator using phase modulation in amplified circulating loop," IEEE Photon. Technol. Lett. 5, 721-725 (1993).

IEEE Trans. Commun. (1)

S. Wu, Y. Bar-Ness, "OFDM systems in the presence of phase noise: Consequences and solutions," IEEE Trans. Commun. 52, 1988-1996 (2004).

IEEE Commun. Mag. (1)

T. A. Strasser, J. Taylor, "ROADMs unlock the edge of the network," IEEE Commun. Mag. 46, 146-149 (2008).

IEEE Photon. Technol. Lett. (1)

Y. Tang, Y. Ma, W. Shieh, "Performance impact of inline chromatic dispersion compensation for 107-Gb/s coherent optical OFDM," IEEE Photon. Technol. Lett. 21, 1042-1044 (2009).

IEEE Photon. Technol. Lett. (3)

S. Bennett, B. Cai, E. Burr, O. Gough, A. J. Seeds, "1.8-THz bandwidth, zero-frequency error, tunable optical comb generator for DWDM applications," IEEE Photon. Technol. Lett. 11, 551-553 (1999).

G. Gavioli, "Ultra-narrow-spacing 10-channel 1.12 Tb/s D-WDM long-haul transmission over uncompensated SMF and NZDSF," IEEE Photon. Technol. Lett. 22, 1419-1421 (2010).

B. Zhu, X. Liu, S. Chandrasekhar, D. W. Peckham, R. Lingle, "Ultra-long-haul transmission of 1.2-Tb/s multicarrier no-guard-interval CO-OFDM superchannel using ultra-large-area fiber," IEEE Photon. Technol. Lett. 22, 826-828 (2010).

IEEE Trans. Commun. (2)

F. Sjoberg, M. Isaksson, R. Nilsson, S. K. Wilson, P. Odling, P. O. Borjesson, "Zipper: A duplex method for VDSL based on DMT," IEEE Trans. Commun. 47, 1245-1252 (1999).

T. M. Schmidl, D. C. Cox, "Robust frequency and timing synchronization for OFDM," IEEE Trans. Commun. 45, 1613-1621 (1997).

IEEE Trans. Signal Process. (1)

J. J. van de Beek, M. Sandell, P. O. Borjesson, "ML estimation of time and frequency offset in OFDM systems," IEEE Trans. Signal Process. 45, 1800-1805 (1997).

J. Lightw. Technol. (2)

D. J. F. Barros, J. M. Kahn, "Optimized dispersion compensation using orthogonal frequency-division multiplexing," J. Lightw. Technol. 26, 2889-2898 (2008).

A. Sano, "No-guard-interval coherent optical OFDM for 100-Gb/s long-haul WDM transmission," J. Lightw. Technol. 27, 3705-3713 (2009).

J. Lightw. Technol. (1)

S. L. Jansen, I. Morita, T. C. W. Schenk, N. Takeda, H. Tanaka, "Coherent optical 25.8-Gb/s OFDM transmission over 4160-km SSMF," J. Lightw. Technol. 26, 6-15 (2008).

J. Lightw. Technol. (2)

G. Bosco, V. Curri, A. Carena, P. Poggiolini, F. Forghieri, "On the performance of Nyquist-WDM Terabit superchannels based on PM-BPSK, PM-QPSK, PM-8QAM or PM-16QAM subcarriers," J. Lightw. Technol. 29, 53-61 (2011).

X. Yi, W. Shieh, Y. Ma, "Phase noise effects on high spectral efficiency coherent optical OFDM transmission," J. Lightw. Technol. 26, 1309-1316 (2008).

Opt. Exp. (3)

M. Nazarathy, "Phased-array cancellation of nonlinear FWM in coherent OFDM dispersive multi-span links," Opt. Exp. 16, 15777-15810 (2008).

Q. Zhuge, M. Morsy-Osman, D. V. Plant, "Analysis of dispersion-enhanced phase noise in CO-OFDM systems with RF-pilot phase compensation," Opt. Exp. 19, 24030-24036 (2011).

Y. Ma, Q. Yang, Y. Tang, S. Chen, W. Shieh, "1-Tb/s single-channel coherent optical OFDM transmission over 600-km SSMF fiber with subwavelength bandwidth access," Opt. Exp. 17, 9421-9427 (2009).

Other (12)

R. Dischler, F. Buchali, "Transmission of 1.2 Tb/s continuous waveband PDM-OFDM-FDM signal with spectral efficiency of 3.3 bit/s/Hz over 400 km of SSMF," Opt. Fiber Commun. Conf. San DiegoCA, p. 2009 Paper PDPC2.

R. Dischler, "Transmission of 3×253-Gb/s OFDM-Superchannels over 764 km field deployed single mode fibers," Opt. Fiber Commun. Conf. San DiegoCA (2010) Paper PDPD2.

S. Frisken, "Advances in liquid crystal on silicon wavelength selective switching," Opt. Fiber Commun. Conf. AnaheimCA (2007) Paper OWV4.

M. D. Feuer, D. C. Kilper, S. L. Woodward, Optical Fiber Telecommunications V-B (Academic, 2008).

S. Chandrasekhar, X. Liu, "Terabit superchannels for high spectral efficiency transmission," Proc. Eur. Conf. Exhib. Opt. Commun. (2010) pp. 1-6.

T. J. Xia, "Field experiment with mixed line-rate transmission (112-Gb/s, 450-Gb/s, and 1.15-Tb/s) over 3 560 km of installed fiber using filterless coherent receiver and EDFAs only," Opt. Fiber Commun. Conf. Los AngelesCA (2011) Paper PDPA3.

J. Yu, "Generation, transmission and coherent detection of 11.2 Tb/s (112×100 Gb/s) single source optical OFDM superchannel," Opt. Fiber Commun. Conf. Los AngelesCA (2011) Paper PDPA6.

J. G. Proakis, Digital Communications (McGraw-Hill, 2002).

H. Masuda, "13.5-Tb/s (135×111-Gb/s/ch) no-guard-interval coherent OFDM transmission over 6 248 km using SNR maximized second-order DRA in the extended L-band," Opt. Fiber Commun. Conf. San DiegoCA (2009) Paper PDPB5.

MM Research, Inc.,TucsonAZ.

M. Sliskovic, "Carrier and sampling frequency offset estimation and correction in multicarrier systems," Proc. GLOBECOM (2001) pp. 285-289.

M. Scholten, T. Coe, J. Dillard, "Continuously-interleaved BCH (CI-BCH) FEC delivers best in class NECG for 40G and 100G metro applications," Proc. Opt. Fiber Commun. Conf. (2010) pp. 1-3.

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