Abstract

In this paper, a novel high-spectral-efficiency modulation scheme using square time pulses in orthogonal wavelength-division multiplexing is proposed. Experimental results demonstrate the significant reduction of the interchannel linear crosstalk-induced penalty compared with Gaussian return-to-zero (RZ) modulation. The proposed technique allows a maximum spectral efficiency of 1 b/s/Hz. Simulation studies and experimental work confirming the expected performance are presented.

© 2005 IEEE

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References

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  1. W. Idler, S. Bigo, Y. Frignac, B. Franz and G. Veith, "Vestigial side band demultiplexing for ultra high capacity (0.64 bit/s/Hz) transmission of 128x40 Gb/s channels", in Proc. Optical Fiber Communication Conf. (OFC) 2001, vol. 1, 2001, pp. MM3-1-MM3-4.
  2. T. Miyakawa, I. Morita, K. Tanaka, H. Sakata and N. Edagawa, "2.56 Tbit/s (40 Gbit/sx64 WDM) unrepeatered 230 km transmission with 0.8 bit/s/Hz spectral efficiency using low-noise fiber Raman amplifier and 170 µm²-Aeff fiber", in Proc. Optical Fiber Communication Conf. (OFC) 2001, vol. 4, 2001, pp. PD26-1-PD26-3.
  3. Y. Frignac, G. Charlet, W. Idler, R. Dischler, P. Tran, S. Lanne, S. Borne, C. Martinelli, G. Veith, A. Jourdan, J. P. Hamaide and S. Bigo, "Transmission of 256 wavelength-division and polarization-division-multiplexed channels at 42.7 Gb/s (10.2 Tb/s capacity) over 3x100 km of TeraLight fiber", in Proc. Optical Fiber Communication Conf. (OFC) 2002 , 2002, pp. FC5.1-FC5.3.
  4. T. Pollet, M. Van Bladel and M. Moeneclaey, "BER sensitivity of OFDM systems to carrier frequency offset and Wiener phase noise", IEEE Trans. Commun. , vol. 43, no. 234, pp. 191-193, Feb./Mar./Apr. 1995.
  5. H. Sanjoh, E. Yamada and Y. Yoshikuni, "Optical orthogonal frequency division multiplexing using frequency/time domain filtering for high spectral efficiency up to 1 bit/s/Hz", in Proc. Optical Fiber Communication Conf. (OFC) 2002 , 2002, pp. 401-402.
  6. J. H. Lee, L. K. Oxenlowe, M. Ibsen, K. S. Berg, A. T. Clausen, D. J. Richardson and P. Jeppesen, "All-optical TDM data demultiplexing at 80 Gb/s with significant timing jitter tolerance using a fiber Bragg grating based rectangular pulse switching technology", J. Lightw. Technol., vol. 21, no. 11, pp. 2518-2523, Nov. 2003.
  7. "VPI Ttransmission Maker 4.5", VPI Systems Inc, Berlin, Germany, 1998.
  8. P. A. Humblet and M. Azizoglu, "On the bit error rate of lightwave systems with optical amplifiers", J. Lightw. Technol., vol. 9, no. 11, pp. 1576-1582, Nov. 1991.
  9. C. F. Lam, M. D. Feuer and N. J. Frigo, "Performance of pin and APD receivers in high-speed WDM data transmission systems employing spectrally sliced spontaneous emission sources", Electron. Lett., vol. 36, no. 18, pp. 1572-1574, 2000.
  10. X. Liu, Z. Zheng, N. Kaneda, X. Wei, M. Tayahi, M. Movassaghi, S. Radic, S. Chandrasekhar and D. Levy, "Enhanced FEC OSNR gains in dispersion-uncompensated 10.7-Gb/s duobinary transmission over 200-km SSMF", IEEE Photon. Technol. Lett., vol. 15, no. 8, pp. 1162-1164, Aug. 2003.
  11. E. Lach, K. Schuh, M. Schmidt, B. Junginger, G. Charlet and P. Pecci, "7x 170 Gbit/s (160 Gbit/s + FEC overhead) DWDM transmission with 0.53 Bit/s/Hz spectral efficiency over long haul distance of standard SMF", in Proc. Eur. Conf. Optical Communication (ECOC) 2003,, pp. Th4.3.5-1-Th4.3.5-2.

Other

W. Idler, S. Bigo, Y. Frignac, B. Franz and G. Veith, "Vestigial side band demultiplexing for ultra high capacity (0.64 bit/s/Hz) transmission of 128x40 Gb/s channels", in Proc. Optical Fiber Communication Conf. (OFC) 2001, vol. 1, 2001, pp. MM3-1-MM3-4.

T. Miyakawa, I. Morita, K. Tanaka, H. Sakata and N. Edagawa, "2.56 Tbit/s (40 Gbit/sx64 WDM) unrepeatered 230 km transmission with 0.8 bit/s/Hz spectral efficiency using low-noise fiber Raman amplifier and 170 µm²-Aeff fiber", in Proc. Optical Fiber Communication Conf. (OFC) 2001, vol. 4, 2001, pp. PD26-1-PD26-3.

Y. Frignac, G. Charlet, W. Idler, R. Dischler, P. Tran, S. Lanne, S. Borne, C. Martinelli, G. Veith, A. Jourdan, J. P. Hamaide and S. Bigo, "Transmission of 256 wavelength-division and polarization-division-multiplexed channels at 42.7 Gb/s (10.2 Tb/s capacity) over 3x100 km of TeraLight fiber", in Proc. Optical Fiber Communication Conf. (OFC) 2002 , 2002, pp. FC5.1-FC5.3.

T. Pollet, M. Van Bladel and M. Moeneclaey, "BER sensitivity of OFDM systems to carrier frequency offset and Wiener phase noise", IEEE Trans. Commun. , vol. 43, no. 234, pp. 191-193, Feb./Mar./Apr. 1995.

H. Sanjoh, E. Yamada and Y. Yoshikuni, "Optical orthogonal frequency division multiplexing using frequency/time domain filtering for high spectral efficiency up to 1 bit/s/Hz", in Proc. Optical Fiber Communication Conf. (OFC) 2002 , 2002, pp. 401-402.

J. H. Lee, L. K. Oxenlowe, M. Ibsen, K. S. Berg, A. T. Clausen, D. J. Richardson and P. Jeppesen, "All-optical TDM data demultiplexing at 80 Gb/s with significant timing jitter tolerance using a fiber Bragg grating based rectangular pulse switching technology", J. Lightw. Technol., vol. 21, no. 11, pp. 2518-2523, Nov. 2003.

"VPI Ttransmission Maker 4.5", VPI Systems Inc, Berlin, Germany, 1998.

P. A. Humblet and M. Azizoglu, "On the bit error rate of lightwave systems with optical amplifiers", J. Lightw. Technol., vol. 9, no. 11, pp. 1576-1582, Nov. 1991.

C. F. Lam, M. D. Feuer and N. J. Frigo, "Performance of pin and APD receivers in high-speed WDM data transmission systems employing spectrally sliced spontaneous emission sources", Electron. Lett., vol. 36, no. 18, pp. 1572-1574, 2000.

X. Liu, Z. Zheng, N. Kaneda, X. Wei, M. Tayahi, M. Movassaghi, S. Radic, S. Chandrasekhar and D. Levy, "Enhanced FEC OSNR gains in dispersion-uncompensated 10.7-Gb/s duobinary transmission over 200-km SSMF", IEEE Photon. Technol. Lett., vol. 15, no. 8, pp. 1162-1164, Aug. 2003.

E. Lach, K. Schuh, M. Schmidt, B. Junginger, G. Charlet and P. Pecci, "7x 170 Gbit/s (160 Gbit/s + FEC overhead) DWDM transmission with 0.53 Bit/s/Hz spectral efficiency over long haul distance of standard SMF", in Proc. Eur. Conf. Optical Communication (ECOC) 2003,, pp. Th4.3.5-1-Th4.3.5-2.

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