Abstract

We demonstrate two 160-Gb/s modulation formats that posses the same intensity pulse profile but differ regarding their phase coding. We analyze the nonlinear transmission properties of both coherent modulation formats by experimental and analytical investigations. The results show that the pairwise alternating phase coded carrier suppressed return-to-zero (PAP-CSRZ) signal outperforms the conventional CSRZ format. Our modulation technique is even applicable at higher speed as demonstrated with the generation of the first CSRZ signal at a record rate of 320 Gb/s.

© 2005 IEEE

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  3. L. M�ller, Y. Su, C. Xie, R. Ryf, X. Liu, X. Wei and S. Cabot, "All-optical phase construction of ps-pulses from fiber lasers for coherent signaling at ultra-high data rates (\geqslant160~ Gb/s)", in Proc. OFC 2004, 2004, paper PDP20.
  4. G. P. Agrawal, Nonlinear Fiber Optics, New York: Academic, 1995.
  5. S. Randel, B. Konrad, A. Hodzic and K. Petermann, "Influence of bitwise phase changes on the performance of 160 Gbit/s transmission systems", in Proc. ECOC 2002, 2002, paper P3.31,. p. 3.
  6. X. Wei and X. Liu, "Analysis of intrachannel four-wave mixing in differential phase-shift keying transmission with large dispersion", Opt. Lett., vol. 28, no. 23, pp. 2300-2302, 2003.

Other (6)

R. Ludwig, S. Diez, A. Ehrhard, L. Kuller, W. Pieger and H. G. Weber, "A tunable femtosecond pulse modelocked semiconductor laser for applications in OTDM systems", IEICE Trans. Electron., pp. 140-144, 1998.

F. Krausz, M. E. Fermann, T. Brabec, P. F. Curley, M. Hofer, M. H. Ober, C. Spielmann, E. Wintner and A. J. Schmidt, "Femtosecond solid-state lasers", IEEE J. Quantum Electron., pp. 2097-2122, 1999.

L. M�ller, Y. Su, C. Xie, R. Ryf, X. Liu, X. Wei and S. Cabot, "All-optical phase construction of ps-pulses from fiber lasers for coherent signaling at ultra-high data rates (\geqslant160~ Gb/s)", in Proc. OFC 2004, 2004, paper PDP20.

G. P. Agrawal, Nonlinear Fiber Optics, New York: Academic, 1995.

S. Randel, B. Konrad, A. Hodzic and K. Petermann, "Influence of bitwise phase changes on the performance of 160 Gbit/s transmission systems", in Proc. ECOC 2002, 2002, paper P3.31,. p. 3.

X. Wei and X. Liu, "Analysis of intrachannel four-wave mixing in differential phase-shift keying transmission with large dispersion", Opt. Lett., vol. 28, no. 23, pp. 2300-2302, 2003.

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