Abstract

A theoretical analysis and an experimental demonstration of semiconductor optical amplifier (SOA)-based regenerative amplification (SORA) of phase noise (PN)-degraded return-to-zero (RZ) differential phase-shift keying (DPSK) signals are presented. The Q-factor improvement is 1.6 dB in single-channel and about 0.8 dB in two non-demultiplexed-channel regimes. The key physical mechanism that enables regeneration by the SORA is the discriminative gain provided by the SOA for the logical 0s versus the logical 1s when two mutually antisymmetric ON-OFF keying (OOK) data trains, created by the DPSK signal, collide in the SOA. The modeling results agree with the experiment.

© 2006 IEEE

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  1. 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. Optical Fiber Communication (OFC), Anaheim, CA, 2002, pp. FC2-1-FC2-3.
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  13. V. S. Grigoryan, M. Shin, P. Devgan and P. Kumar, "Mechanism of SOA-based regenerative amplification of phase-noise degraded DPSK signals", Electron. Lett., vol. 41, no. 18, pp. 1021-1022, Sep. 2005.
  14. M. Shin, P. S. Devgan, V. S. Grigoryan and P. Kumar, "SNR improvement of DPSK signals in a semiconductor optical regenerative amplifier", IEEE Photon. Technol. Lett.,
  15. M. Eiselt, W. Pieper and H. G. Weber, "SLALOM: Semiconductor laser amplifier in a loop mirror", J. Lightw. Technol., vol. 13, no. 10, pp. 2099-2112, Oct. 1995.
  16. D. Cassioli, S. Scotti and A. Mecozzi, "A time-domain computer simulator of the nonlinear response of semiconductor optical amplifiers", IEEE J. Quantum Electron., vol. 36, no. 9, pp. 1072-1080, Sep. 2000.

Other (16)

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. Optical Fiber Communication (OFC), Anaheim, CA, 2002, pp. FC2-1-FC2-3.

J. P. Gordon and L. F. Mollenauer, "Phase noise in photonic communication systems using linear amplifiers", Opt. Lett., vol. 15, no. 23, pp. 1351-1354, Dec. 1990.

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, Dec. 2003.

H. Kim and A. H. Gnauck, "Experimental investigation of the performance limitation of DPSK systems due to nonlinear phase noise", IEEE Photon. Technol. Lett., vol. 15, no. 2, pp. 320-322, Feb. 2003.

C. Paré, A. Villeneuve, P.-A. Bélanger and N. J. Doran, "Compensating for dispersion and the nonlinear Kerr effect without phase conjugation", Opt. Lett., vol. 21, no. 7, pp. 459-461, Apr. 1996.

C. Xu and X. Liu, "Postnonlinearity compensation with data-driven phase modulators in phase-shift keying transmission", Opt. Lett., vol. 27, no. 18, pp. 1619-1621, Sep. 2002.

I. R. Gabitov and P. M. Lushnikov, "Nonlinearity management in a dispersion-managed system", Opt. Lett., vol. 27, no. 2, pp. 113-115, Jan. 2002.

K. Croussore, C. Kim and G. Li, "All-optical regeneration of differential phase-shift keying signals based on phase-sensitive amplification", Opt. Lett., vol. 29, no. 20, pp. 2357-2359, Oct. 2004.

A. Striegler and B. Schmauss, "All-optical DPSK signal regeneration based on cross-phase modulation", IEEE Photon. Technol. Lett., vol. 16, no. 4, pp. 1083-1085, Apr. 2004.

A. G. Striegler, et al. "NOLM-based RZ-DPSK signal regeneration", IEEE Photon. Technol. Lett., vol. 17, no. 3, pp. 639-641, Mar. 2005.

K. Croussore, I. Kim, Y. Han, C. Kim and G. Li, "Demonstration of phase-regeneration of DPSK signals based on phase-sensitive amplification", Opt. Express, vol. 13, no. 11, pp. 3945-3950, May 2005.

P. Devgan, M. Shin, V. Grigoryan, J. Lasri and P. Kumar, "SOA-based regenerative amplification of phase noise degraded DPSK signals", presented at the Optical Fiber Communication/Nat. Fiber Optic Engineers Conf. (OFC/NFOEC), Anaheim, CA, Postdeadline Paper PDP34, 2005.

V. S. Grigoryan, M. Shin, P. Devgan and P. Kumar, "Mechanism of SOA-based regenerative amplification of phase-noise degraded DPSK signals", Electron. Lett., vol. 41, no. 18, pp. 1021-1022, Sep. 2005.

M. Shin, P. S. Devgan, V. S. Grigoryan and P. Kumar, "SNR improvement of DPSK signals in a semiconductor optical regenerative amplifier", IEEE Photon. Technol. Lett.,

M. Eiselt, W. Pieper and H. G. Weber, "SLALOM: Semiconductor laser amplifier in a loop mirror", J. Lightw. Technol., vol. 13, no. 10, pp. 2099-2112, Oct. 1995.

D. Cassioli, S. Scotti and A. Mecozzi, "A time-domain computer simulator of the nonlinear response of semiconductor optical amplifiers", IEEE J. Quantum Electron., vol. 36, no. 9, pp. 1072-1080, Sep. 2000.

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