Abstract

It is shown that electronic pre-compensation effectively reduces the degradation in system performance caused by narrow filtering that arises from the cascading of optical filters in spectrally efficient, wavelength division multiplexed systems. The pre-compensation is based on generating the appropriate electrical drive signals for an optical modulator such that the transmitted optical signal takes into consideration the subsequent optical filtering. Three modulation formats (on-off keying, differential-phase-shift keying and differential-quadrature-phase-shift keying) and two types of optical modulators (dual-drive Mach–Zehnder modulator and dual-parallel Mach–Zehnder modulator) are considered.

© 2009 IEEE

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  1. M. Vasilyev, I. Tomkos, M. Mehendale, J.-K. Rhee, A. Kobyakov, M. Ajgaonkar, S. Tsuda, M. Sharma, "Transparent ultra-long-haul DWDM networks with broadcast-and-select OADM/OXC architecture," J. Lightw. Technol. 21, 2661-2672 (2003).
  2. R. Inohara, K. Nishimura, M. Usami, "Mitigation of signal degradation due to cascaded filters by optical 3R regeneration at 40 Gb/s," Proc. European Conf. Optical Commun. (2005).
  3. M. Rubsamen, P. J. Winzer, R.-J. Essiambre, "MLSE receivers for narrow-band optical filtering," Proc. Conf. Optical Fiber Commun. (2006).
  4. J. Downie, J. Hurley, M. Sauer, S. Lobanov, S. Raghavan, "Experimental measurements of the effectiveness of MLSE against narrowband optical filtering distortion," Proc. Conf. Optical Fiber Commun. (2007).
  5. D. Krause, Y. Jiang, J. C. Cartledge, K. Roberts, "Pre-compensation for narrow optical filtering of 10-Gb/s intensity modulated signals," IEEE Photon. Technol. Lett. (2008) pp. 706-708.
  6. M. O'Sullivan, K. Roberts, C. Bontu, "Electronic dispersion compensation techniques for optical communication systems," Proc. European Conf. Optical Commun. (2005) pp. 189-190.
  7. D. McGhan, C. Laperle, A. Savchenko, C. Li, G. Mak, M. O'Sullivan, "5120-km RZ-DPSK transmission over G.652 fiber at 10 Gb/s without optical dispersion compensation," IEEE Photon. Technol. Lett. 18, 400-402 (2006).
  8. K. Roberts, C. Li, L. Strawczynski, M. O'Sullivan, I. Hardcastle, "Electronic pre-compensation of optical nonlinearity," IEEE Photon. Technol. Lett. 18, 403-405 (2006).
  9. D. McGhan, M. O'Sullivan, M. Sotoodeh, A. Savchenko, C. Bontu, M. Belanger, K. Roberts, "Electronic dispersion compensation," Proc. Conf. Optical Fiber Commun. (2006).
  10. J. Downie, "Relationship of Q penalty to eye-closure penalty for NRZ and RZ signals with signal-dependent noise," J. Lightw. Technol. 23, 2031-2038 (2005).

2006 (2)

D. McGhan, C. Laperle, A. Savchenko, C. Li, G. Mak, M. O'Sullivan, "5120-km RZ-DPSK transmission over G.652 fiber at 10 Gb/s without optical dispersion compensation," IEEE Photon. Technol. Lett. 18, 400-402 (2006).

K. Roberts, C. Li, L. Strawczynski, M. O'Sullivan, I. Hardcastle, "Electronic pre-compensation of optical nonlinearity," IEEE Photon. Technol. Lett. 18, 403-405 (2006).

2005 (1)

J. Downie, "Relationship of Q penalty to eye-closure penalty for NRZ and RZ signals with signal-dependent noise," J. Lightw. Technol. 23, 2031-2038 (2005).

2003 (1)

M. Vasilyev, I. Tomkos, M. Mehendale, J.-K. Rhee, A. Kobyakov, M. Ajgaonkar, S. Tsuda, M. Sharma, "Transparent ultra-long-haul DWDM networks with broadcast-and-select OADM/OXC architecture," J. Lightw. Technol. 21, 2661-2672 (2003).

IEEE Photon. Technol. Lett. (2)

D. McGhan, C. Laperle, A. Savchenko, C. Li, G. Mak, M. O'Sullivan, "5120-km RZ-DPSK transmission over G.652 fiber at 10 Gb/s without optical dispersion compensation," IEEE Photon. Technol. Lett. 18, 400-402 (2006).

K. Roberts, C. Li, L. Strawczynski, M. O'Sullivan, I. Hardcastle, "Electronic pre-compensation of optical nonlinearity," IEEE Photon. Technol. Lett. 18, 403-405 (2006).

J. Lightw. Technol. (2)

J. Downie, "Relationship of Q penalty to eye-closure penalty for NRZ and RZ signals with signal-dependent noise," J. Lightw. Technol. 23, 2031-2038 (2005).

M. Vasilyev, I. Tomkos, M. Mehendale, J.-K. Rhee, A. Kobyakov, M. Ajgaonkar, S. Tsuda, M. Sharma, "Transparent ultra-long-haul DWDM networks with broadcast-and-select OADM/OXC architecture," J. Lightw. Technol. 21, 2661-2672 (2003).

Other (6)

R. Inohara, K. Nishimura, M. Usami, "Mitigation of signal degradation due to cascaded filters by optical 3R regeneration at 40 Gb/s," Proc. European Conf. Optical Commun. (2005).

M. Rubsamen, P. J. Winzer, R.-J. Essiambre, "MLSE receivers for narrow-band optical filtering," Proc. Conf. Optical Fiber Commun. (2006).

J. Downie, J. Hurley, M. Sauer, S. Lobanov, S. Raghavan, "Experimental measurements of the effectiveness of MLSE against narrowband optical filtering distortion," Proc. Conf. Optical Fiber Commun. (2007).

D. Krause, Y. Jiang, J. C. Cartledge, K. Roberts, "Pre-compensation for narrow optical filtering of 10-Gb/s intensity modulated signals," IEEE Photon. Technol. Lett. (2008) pp. 706-708.

M. O'Sullivan, K. Roberts, C. Bontu, "Electronic dispersion compensation techniques for optical communication systems," Proc. European Conf. Optical Commun. (2005) pp. 189-190.

D. McGhan, M. O'Sullivan, M. Sotoodeh, A. Savchenko, C. Bontu, M. Belanger, K. Roberts, "Electronic dispersion compensation," Proc. Conf. Optical Fiber Commun. (2006).

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