Abstract

This paper presents an experimental investigation of 40-Gb/s DWDM transmission technologies that can potentially transport multiple terabits of aggregate capacity with ultrahigh spectral efficiency over several thousand kilometers of fiber in a terrestrial optical network. By using carrier-suppressed return-to-zero (CSRZ) differential-phase-shift-keyed (DPSK) modulation format with optimized signal filtering, we have demonstrated transmission of 6.4-Tb/s capacity with 0.8-bit/s/Hz spectral efficiency over 3200 km of fiber using 100-km amplified spans. This transmission was conducted using 160 50-GHz-spaced wavelength channels, each at 42.7 Gb/s, in the standard C + L wavelength bands. Low dispersion-slope TrueWave REACH fiber plus slope-matched dispersion compensating fiber with all-Raman amplification were also employed to achieve this record 20-Pbit/s/km capacity-distance product for terrestrial 40-Gb/s systems. In addition, we used a loop-synchronous polarization controller (PC) to better emulate the polarization effects of a straight-line system.

© 2004 IEEE

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J. Lightwave Technol. (2)

S. R. Chinn, D. M. Boroson and J. C. Livas, "Sensitivity of optical preamplified DPSK receivers with Fabry-Perot filters", J. Lightwave Technol., vol. 14, pp. 370-376, 1996.

C. R. Fludger, V. Handerek and R. J. Mears, "Pump to signal RIN transfer in Raman fiber amplifiers", J. Lightwave Technol., vol. 19, pp. 1140-1148, 2001.

Opt. Lett. (1)

Other (20)

B. Zhu, L. Leng, L. E. Nelson, L. Grüner-Nielsen, Y. Qian, J. Bromage, S. Stulz, S. Kado, Y. Emori, S. Namiki, P. Gaarde, A. Judy, B. Palsdottir and R. L. Lingle Jr., "3.2-Tb/s (80 × 42.7-Gb/s) transmission over 20 × 100 km of nonzero dispersion fiber with simultaneous C + L-band dispersion compensation", in Proc. OFC2002, 2002, postdeadline paper FC8.

F. Liu, J. Bennike, S. Dey, C. Rasmussen, B. Mikkelsen, P. Mamyshev, D. Gapontsev and V. Ivshin, "1.6 Tbit/s (40 × 42.7 Gb/s) transmission over 3600 km UltraWave fiber with all-Raman amplified 100-km terrestrial spans using ETDM transmitter and receiver", in Proc. OFC2002, 2002, postdeadline paper FC7.

A. H. Gnauck, G. Raybon, S. Chandrasekhar, J. Leuthold, C. Doerr, L. Stulz, A. Agarwal, S. Banerjee, D. Grosz, S. Hunsche, A. Kung, A. Marhelyuk, D. Maywar, M. Movassghi, X. Liu, C. Xu, X. Wei and D. M. Gill, "2.5 Tb/s (64 × 42.7 Gb/s) transmission over 40 × 100 km NZDF using RZ-DPSK format and all-Raman-amplified spans", in Proc. OFC2002, 2002, postdeadline paper FC1.

B. Zhu, L. Leng, A. H. Gnauck, M. O. Pedersen, D. Peckham, L. E. Nelson, S. Stulz, S. Kado, L. Grüner-Nielsen, R. L. Lingle Jr., S. Knudsen, J. Leuthold, C. Doerr, S. Chandrasekhar, G. Baynham, P. Gaarde, Y. Emori and S. Namiki, "Transmission of 3.2 Tb/s (80 × 42.7 Gb/s) over 5200 km of UltraWave fiber with 100-km dispersion-managed spans using RZ-DPSK format", in Proc. ECOC2002, 2002, postdeadline paper PD4.2.

G. Chartel, J.-C. Antona, S. Lanne, 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, "6.4 Tb/s (159 × 42.7 Gb/s) capacity over 21 × 100 km using bandwidth-limited phase-shaped binary transmission", in Proc. ECOC2002, 2002, postdeadline paper PD4.1.

D. F. Grosz, A. Agarwal, S. Banerjee, A. P. Kung, D. N. Maywar, A. Gurevich, T. H. Wood, C. R. Lima, B. Faer, J. Black and C. Hwu, "5.12 Tb/s (128 × 42.7 Gb/s) transmission with 0.8-b/s/Hz spectral efficiency over 1280 km of standard single-mode fiber using all-Raman amplification and strong signal filtering", in Proc. ECOC2002, 2002, postdeadline paper PD4.3.

A. Gnauck, "40-Gb/s RZ-differential phase shift keyed transmission", in Proc. OFC2003, 2003, paper ThE1.

A. H. Gnauck, S. Chandrasekhar, J. Leuthold and L. Stulz, "Demonstration of 42.7 Gb/s DPSK receiver with 45 photons/bit sensitivity", IEEE Photon. Technol. Lett., vol. 15, pp. 99-101, 2003.

M. Rohde, C. Caspar, N. Heimes, M. Konitzer, E. J. Bachus and N. Hanik, "Robustness of DPSK direct detection transmission format in standard fiber WDM", Electron. Lett., vol. 36, pp. 1483-1484, 2000.

J. Leibrich, C. Wree and W. Rosenkranz, "CF-RZ-DPSK for suppression of XPM on dispersion-managed long haul optical WDM transmission on standard single mode fiber", IEEE Photon. Technol. Lett., vol. 14, pp. 155-157, 2002.

X. Liu, C. Xu and X. Wei, "Nonlinear phase noise in pulse-overlapped transmission based on RZ-DPSK", in Proc. ECOC2002, 2002, paper 9.6.5.

S. Bigo, W. Idler, J.-C. Antona, G. Charlet, C. Simonneau, M. Gorlier, M. Molina, S. Borne, C. de Barros, P. Sillard, P. Tan, R. Dischler, W. Poehlmann, P. Nouchi and Y. Frignac, "Transmission of 125 WDM channels at 42.7 Gb/s (5 Tb/s capacity) over 12 × 100 km of Teralight Ultra fiber", in Proc. ECOC2001, 2001.

R. E. Neuhauser, P. M. Krummrich, H. Bock and C. Glingener, "Impact of nonlinear pump interactions on broadband distributed Raman amplification", in Proc. OFC'2001, 2001.

J. Bromage, P. J. Winzer, L. E. Nelson and C. J. McKinstrie, "Raman-enhanced pump-signal four-wave mixing in bidirectionally pumped Raman amplifiers", in Proc. OAA'2002, 2002, paper OWA5.

B. Zhu, L. Leng, L. E. Nelson, Y. Qian, L. Cowsar, S. Stulz, C. Doerr, S. Chandrasekar, S. Radic, D. Vengsarkar, Z. Chen, H. J. Thiele, J. Bromage, L. Grüner-Nielsen and S. Knudsen, "3.08 Tb/s (77 × 42.7 Gb/s) transmission over 1200 km of nonzero dispersion-shifted fiber with 100-km spans using C-and L-band distributed Raman amplification", Electron. Lett., vol. 37, pp. 844-845, 2001.

N. Tsukiji, N. Hayamizu, H. Shimizu, Y. Ohki, T. Kimura, S. Irino, J. Yoshida, T. Fukushima and S. Namiki, "Advantage of inner-grating-multi-mode laser (iGM-laser) for SBS reduction in co-propagating Raman amplifier", in Proc. OAA2002 , 2002, paper OMB4.

C. R. Doerr, L. W. Stulz, R. Pafchek, L. Gomez, M. Cappuzzo, E. Paunescu, L. Buhl, H. K. Kim and S. Chandrasekhar, "Automatic wavelength channel-by-channel equalizer", in Proceedings of OFC2000, 2000, Paper PD20.

G. M. Carter and Y. Sun, "Making the Q distribution in a recirculating loop resemble a straight line distribution", in Proc. OFC2002, 2002.

L. E. Nelson, T. Nielsen and H. Kogelnik, "Observation of PMD-induced coherent crosstalk in polarization-multiplexed transmission", IEEE Photon. Technol. Lett., vol. 13, pp. 738-740, 2001.

C. Rasmussen, S. Dey, F. Liu, J. Bennike, B. Mikkelsen, P. Mamyshev, M. Kimmit, K. Springer, D. Gapontsev and V. Ivshin, "Transmission of 40 × 42.7 Gb/s over 5200 km UltraWave fiber with terrestrial 100-km spans using turn-key ETDM transmitter and receiver", in Proc. ECOC2002, 2002, postdeadline paper PD4.3.

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