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9. Long-haul 40 Gb/s RZ-DPSK transmission with long repeater spacing

Author

Cai, J.-X., primary, Nissov, M., additional, Anderson, W., additional, Vaa, M., additional, Davidson, C.R., additional, Foursa, D.G., additional, Liu, L., additional, Cai, Y., additional, Lucero, A.J., additional, Patterson, W.W., additional, Corbett, P.C., additional, Pilipetskii, A.N., additional, and Bergano, N.S., additional

Published
2006
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11. Experimental comparison of the RZ-DPSK and NRZ-DPSK modulation formats

Author

Cai, J.X., primary, Davidson, C.R., additional, Foursa, D.G., additional, Liu, L., additional, Cai, Y., additional, Bakhshi, B., additional, Mohs, G., additional, Patterson, W.W., additional, Corbett, P.C., additional, Lucero, A.J., additional, Anderson, W., additional, Li, H., additional, Nissov, M., additional, Pilipetskii, A.N., additional, and Bergano, N.S., additional

Published
2005
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18. 2.56 Tb/s (256/spl times/10 Gb/s) transmission over 11,000 km using hybrid Raman/EDFAs with 80 nm of continuous bandwidth

Author

Foursa, D.G., primary, Davidson, C.R., additional, Nissov, M., additional, Mills, M.A., additional, Xu, L., additional, Cai, J.X., additional, Pilipetskii, A.N., additional, Cai, Y., additional, Breverman, C., additional, Cordell, R.R., additional, Carvelli, T.J., additional, Corbett, P.C., additional, Kidorf, H.D., additional, and Bergano, N.S., additional

Published
2002
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19. Transmission of 40-Gb/s WDM signals over transoceanic distance using conventional NZ-DSF with receiver dispersion slope compensation.

Author

Jin-Xing Cai, Davidson, C.R., Nissov, M., Haifeng Li, Anderson, W.T., Yi Cai, Li Liu, Pilipetskii, A.N., Foursa, D.G., Patterson, W.W., Corbett, P.C., Lucero, A.J., and Bergano, N.S.

Abstract

This paper investigated the impact of receiver dispersion slope compensation for 40-Gb/s transoceanic transmission over conventional nonzero dispersion shifted fibers. Various differential phase-shift keying (DPSK) modulation formats were experimentally compared at 42.8 Gb/s [to account for forwarded error correction (FEC) overhead] with dispersion slope compensators at the receiver. These transmission measurements were performed in a circulating loop over a transatlantic distance of 6250 km using a variety of channel spacings, relative polarizations, and synchronous modulation techniques. All formats benefited from receiver dispersion slope compensation. For orthogonally polarized channels on 133-GHz spacing, the return-to-zero DPSK (RZ-DPSK) format performed the best; all channels (18 × 40 Gb/s) propagated with > 13.5-dB Q-factor and with > 4-dB FEC margin. Whereas for copolarized channels on 100-GHz spacing, carrier-suppressed return-to-zero (CSRZ)-DPSK performed the best; all channels (25 × 40 Gb/s) propagated with > 3-dB FEC margin. Moreover, it was shown that parallel launch only suffered a penalty of ∼ 0.2 and ∼ 0.5 dB relative to the orthogonal launch for 133and 100-GHz channel spacing, respectively. Finally, it was demonstrated that copolarized 40 Gb/s RZ-DPSK worked as well as 10 Gb/s RZ-ON-OFF keying (RZ-OOK) for the same spectral efficiency (30%) over the 6250 km of conventional nonzero dispersion shifted fibers (NZ-DSF) originally designed for 10 Gb/s transmission. [ABSTRACT FROM PUBLISHER]

Published
2006
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20. RZ-DPSK field trial over 13 100 km of installed non-slope-matched submarine fibers.

Author

Cai, J.-X., Foursa, D.G., Liu, L., Davidson, C.R., Cai, Y., Patterson, W.W., Lucero, A.J., Bakhshi, B., Mohs, G., Corbett, P.C., Gupta, V., Anderson, W., Vaa, M., Domagala, G., Mazurczyk, M., Li, H., Jiang, S., Nissov, M., Pilipetskii, A.N., and Bergano, N.S.

Abstract

This work presents the first field trial using the return-to-zero differential-phase-shift-keying (RZ-DPSK) modulation format. A 96×10-Gb/s RZ-DPSK field trial was conducted over a 13 100-km optical undersea path by double passing the installed 6550-km underwater link which was deployed with non-slope-matched submarine fibers. All channels performed with more than a 3-dB forward-error correction margin, including channels that accumulated over ±13 000ps/nm of dispersion. It is also shown that the RZ-DPSK format has similar residual dispersion and channel power tolerance for both slope-matched and non-slope-matched fibers. Furthermore, it is demonstrated that the chirped RZ-DPSK format could further improve system performance by 1-2 dB. [ABSTRACT FROM PUBLISHER]

Published
2005
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21. Long-haul 40 Gb/s DWDM transmission with aggregate capacities exceeding 1 Tb/s.

Author

Jin-Xing Cai, Nissov, M., Davidson, C.R., Pilipetskii, A.N., Mohs, G., Haifeng Li, Yi Cai, Golovchenko, E.A., Lucero, A.J., Foursa, D.G., and Bergano, N.S.

Abstract

We present an experimental investigation of 40 Gb/s transmission technology aimed at an aggregate capacity exceeding 1 Tb/s over multithousand kilometer transmission distances. These studies have been performed using a variety of dispersion management and modulation techniques. The transmission distances investigated range from a minimum of 2000 km, which is considered a regional undersea cable distance, up to a transatlantic distance of 6200 km. Our regional distance experiments were performed using both slope-matched and conventional dispersion maps where the accumulated dispersion becomes large for the edge channels. Dispersion map studies showed that slope-matched fiber performs better than nonslope-matched fiber (NZDSF) beyond 2000 km due to its larger effective area and lower accumulated dispersion slope. The demonstration of 38×40 Gb/s over 6200 km was the first transoceanic length experiment using 40 Gb/s DWDM channels. This was achieved with a relatively simple amplifier chain that uses only C-band EDFAs. Modulation format studies showed that RZ performs better over transoceanic distance, carrier-suppressed RZ performs better with nonslope-matched fiber at a distance of 2055 km, and prefiltered carrier-suppressed RZ is more suited for higher spectral efficiency. Experimental techniques for high bit-rate experiments are presented. [ABSTRACT FROM PUBLISHER]

Published
2002
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31. Pump interactions in a 100-nm bandwidth Raman amplifier.

Author

Kidorf, H., Rottwitt, K., Nissov, M., Ma, M., and Rabarijaona, E.

Abstract

A design for a 100-nm bandwidth Raman amplifier is presented. The amplifier is pumped with eight, 130-mW lasers with wavelengths ranging from 1416 to 1502 nm. The peak-to-peak gain ripple is 1.1 dB. A new model was developed for this design that includes pump-to-pump and signal-to-signal interactions in addition to double Rayleigh scattering and amplified spontaneous emission. An understanding of the interactions among these various effects was essential to this design. These modeling results are based on measurements of the physical characteristics of the transmission fiber [ABSTRACT FROM PUBLISHER]

Published
1999
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35. 1.28 Tb/s (32×40 Gb/s) transmission over 4,500 km

Author

Cai, J.-X., primary, Nissov, M., additional, Pilipetskii, A.N., additional, Davidson, C.R., additional, Mu, R.-M., additional, Mills, M.A., additional, Xu, L., additional, Foursa, D., additional, Menges, R., additional, Corbett, P.C., additional, Sutton, D., additional, and Bergano, N.S., additional

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