Abstract

We propose a novel method for signal processing of phase-modulated signals suitable for 100 G coherent systems. By exploiting a single semiconductor optical amplifier Mach–Zehnder interferometer, all-optical selective switching with simultaneous wavelength conversion of bursts of data in the original signal is demonstrated. The operation is suitable for dynamic wavelength routing and/or add/drop operation in multichannel coherent systems, thus enabling flexible network resources optimization. The operation has been demonstrated for single-channel single-polarization, dual-channel (DC) single-polarization, and DC polarization-multiplexed (PM) 28 GBaud quadrature phase shift key-modulated signals. By exploiting coherent detection strategy and digital signal processing, an error rate below 10<sup>-3</sup> prior to forward error correction has been observed for all the experiments; the corresponding optical signal-to-noise ratio penalty has been measured to be almost negligible in the single-polarization case whereas a maximum penalty below 1.5 dB for the PM one is reported.

© 2012 IEEE

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  1. F. Kish, R. Nagarajan, M. Kato, P. Evans, S. Corzine, M. Ziari, A. Nilsson, J. Rahn, D. Lambert, A. Dentai, V. Lal, M. Fisher, M. Kuntz, A. James, R. Malendevich, G. Goldfarb, H.-S. Tsai, P. Samra, S. Han, J. Stewart, T. Butrie, J. McNicol, W. Kuang-Tsan, M. Reffle, D. Welch, "Coherent large-scale InP photonic integrated circuits," Proc. Eur. Conf. Exhib. Optical Commun. (2011) pp. 1-3.
  2. M. G. Taylor, "Coherent detection method using DSP for demodulation of signal and subsequent equalization of propagation impairments," IEEE Photon. Technol. Lett. 16, 674-676 (2004).
  3. D. S. Ly-Gagnon, S. Tsukamoto, K. Katoh, K. Kikuchi, "Coherent detection of optical quadrature phase-shift keying signals with carrier phase estimation," J. Lightw. Technol. 24, 12-21 (2006).
  4. C. R. S. Fludger, T. Duthel, D. van den Borne, C. Schulien, E. D. Schmidt, T. Wuth, J. Geyer, E. De Man, G. D. Khoe, H. de Waardt, "Coherent equalization and POLMUX-RZ-DQPSK for robust 100-GE transmission," J. Lightw. Technol. 26, 64-72 (2008).
  5. P. J. Winzer, A. H. Gnauck, C. R. Doerr, M. Magarini, L. L. Buhl, "Spectrally efficient long-haul optical networking using 112-Gb/s polarization-multiplexed 16-QAM," J. Lightw. Technol. 28, 547-556 (2010).
  6. A. H. Gnauck, P. J. Winzer, A. Konczykowska, F. Jorge, J. Y. Dupuy, M. Riet, G. Charlet, B. Zhu, D. W. Peckham, "Generation and transmission of 21.4-Gbaud PDM 64-QAM using a novel high-power DAC driving a single I/Q modulator," J. Lightw. Technol. 30, 532-536 (2012).
  7. D. Lavery, C. Behrens, S. Makovejs, D. S. Millar, R. L. Killey, S. J. Savory, P. Bayvel, "Long-haul transmission of PS-QPSK at 100 Gb/s using digital backpropagation," IEEE Photon. Technol. Lett. 24, 176-178 (2012).
  8. C. Xie, G. Raybon, P. J. Winzer, "Transmission of mixed 224-Gb/s and 112-Gb/s PDM-QPSK at 50-GHz channel spacing over 1200-km dispersion-managed LEAF® spans and three ROADMs," J. Lightw. Technol. 30, 547-552 (2012).
  9. N. Sambo, F. Paolucci, G. Meloni, F. Cugini, M. Secondini, L. Poti, P. Castoldi, "Candidate paths for impairment-aware PCE in 10–100 Gb/s optical networks," Comm. Lett. 15, 881-883 (2011).
  10. A. Nguyen, C. Porzi, G. Serafino, F. Fresi, G. Contestabile, A. Bogoni, "All-optical selective wavelength shifter in a SOA-MZI," IEEE Photon. Technol. Lett. 23, 1621-1623 (2011).
  11. C. Porzi, G. Contestabile, A. Bogoni, "All-optical simultaneous drop and wavelength conversion of DPSK data," Opt. Lett. 37, 2523-2525 (2012).
  12. G. Colavolpe, T. Foggi, E. Forestieri, G. Prati, "Robust multilevel coherent optical systems with linear processing at the receiver," J. Lightw. Technol. 27, 2357-2369 (2009).
  13. T. J. Morgan, J. P. R. Lacey, R. S. Tucker, "Widely tunable four-wave mixing in semiconductor optical amplifiers with constant conversion efficiency," IEEE Photon. Technol. Lett. 10, 1401-1403 (1998).
  14. G. Contestabile, F. Martelli, A. Mecozzi, L. Graziani, A. D'Ottavi, P. Spano, G. Guekos, R. Dall'Ara, J. Eckner, "Efficiency flattening and equalization of frequency up- and down-conversion using four-wave mixing in semiconductor optical amplifiers," IEEE Photon. Technol. Lett. 10, 1398-1400 (1998).
  15. J. P. R. Lacey, M. Summerfield, S. J. Madden, "Tunability of polarization-insensitive wavelength converters based on four-wave mixing in semiconductor optical amplifiers," J. Lightw. Technol. 16, 2419-2427 (1998).
  16. C. Porzi, A. Bogoni, L. Potì, G. Contestabile, "Polarization and wavelength-independent time-division demultiplexing based on copolarized-pumps FWM in an SOA," Photon. Technol. Lett. 17, 633-635 (2005).
  17. G. Contestabile, L. Banchi, E. Ciaramella, M. Presi, "Investigation of transparency of FWM in SOA to advanced modulation formats involving intensity, phase, and polarization multiplexing," J. Lightw. Technol. 27, 4256-426 (2009).
  18. R. Bonk, G. Huber, T. Vallaitis, R. Schmogrow, D. Hillerkuss, C. Koos, W. Freude, J. Leuthold, "Impact of alfa-factor on SOA dynamic range for 20 GBd BPSK, QPSK and 16-QAM signals," Proc. Opt. Fiber Commun. Conf. Expo. (2011) pp. 1-3.
  19. T. Hatta, T. Miyahara, Y. Miyazaki, K. Takagi, K. Matsumoto, T. Aoyagi, K. Motoshima, K. Mishina, A. Maruta, K. Kitayama, "Polarization-insensitive monolithic 40-Gbps SOA-MZI wavelength converter with narrow active waveguides," IEEE J. Sel. Topics Quantum Electron. 13, 32-39 (2007).

2012 (4)

A. H. Gnauck, P. J. Winzer, A. Konczykowska, F. Jorge, J. Y. Dupuy, M. Riet, G. Charlet, B. Zhu, D. W. Peckham, "Generation and transmission of 21.4-Gbaud PDM 64-QAM using a novel high-power DAC driving a single I/Q modulator," J. Lightw. Technol. 30, 532-536 (2012).

D. Lavery, C. Behrens, S. Makovejs, D. S. Millar, R. L. Killey, S. J. Savory, P. Bayvel, "Long-haul transmission of PS-QPSK at 100 Gb/s using digital backpropagation," IEEE Photon. Technol. Lett. 24, 176-178 (2012).

C. Xie, G. Raybon, P. J. Winzer, "Transmission of mixed 224-Gb/s and 112-Gb/s PDM-QPSK at 50-GHz channel spacing over 1200-km dispersion-managed LEAF® spans and three ROADMs," J. Lightw. Technol. 30, 547-552 (2012).

C. Porzi, G. Contestabile, A. Bogoni, "All-optical simultaneous drop and wavelength conversion of DPSK data," Opt. Lett. 37, 2523-2525 (2012).

2011 (2)

N. Sambo, F. Paolucci, G. Meloni, F. Cugini, M. Secondini, L. Poti, P. Castoldi, "Candidate paths for impairment-aware PCE in 10–100 Gb/s optical networks," Comm. Lett. 15, 881-883 (2011).

A. Nguyen, C. Porzi, G. Serafino, F. Fresi, G. Contestabile, A. Bogoni, "All-optical selective wavelength shifter in a SOA-MZI," IEEE Photon. Technol. Lett. 23, 1621-1623 (2011).

2010 (1)

P. J. Winzer, A. H. Gnauck, C. R. Doerr, M. Magarini, L. L. Buhl, "Spectrally efficient long-haul optical networking using 112-Gb/s polarization-multiplexed 16-QAM," J. Lightw. Technol. 28, 547-556 (2010).

2009 (2)

G. Colavolpe, T. Foggi, E. Forestieri, G. Prati, "Robust multilevel coherent optical systems with linear processing at the receiver," J. Lightw. Technol. 27, 2357-2369 (2009).

G. Contestabile, L. Banchi, E. Ciaramella, M. Presi, "Investigation of transparency of FWM in SOA to advanced modulation formats involving intensity, phase, and polarization multiplexing," J. Lightw. Technol. 27, 4256-426 (2009).

2008 (1)

C. R. S. Fludger, T. Duthel, D. van den Borne, C. Schulien, E. D. Schmidt, T. Wuth, J. Geyer, E. De Man, G. D. Khoe, H. de Waardt, "Coherent equalization and POLMUX-RZ-DQPSK for robust 100-GE transmission," J. Lightw. Technol. 26, 64-72 (2008).

2007 (1)

T. Hatta, T. Miyahara, Y. Miyazaki, K. Takagi, K. Matsumoto, T. Aoyagi, K. Motoshima, K. Mishina, A. Maruta, K. Kitayama, "Polarization-insensitive monolithic 40-Gbps SOA-MZI wavelength converter with narrow active waveguides," IEEE J. Sel. Topics Quantum Electron. 13, 32-39 (2007).

2006 (1)

D. S. Ly-Gagnon, S. Tsukamoto, K. Katoh, K. Kikuchi, "Coherent detection of optical quadrature phase-shift keying signals with carrier phase estimation," J. Lightw. Technol. 24, 12-21 (2006).

2005 (1)

C. Porzi, A. Bogoni, L. Potì, G. Contestabile, "Polarization and wavelength-independent time-division demultiplexing based on copolarized-pumps FWM in an SOA," Photon. Technol. Lett. 17, 633-635 (2005).

2004 (1)

M. G. Taylor, "Coherent detection method using DSP for demodulation of signal and subsequent equalization of propagation impairments," IEEE Photon. Technol. Lett. 16, 674-676 (2004).

1998 (3)

T. J. Morgan, J. P. R. Lacey, R. S. Tucker, "Widely tunable four-wave mixing in semiconductor optical amplifiers with constant conversion efficiency," IEEE Photon. Technol. Lett. 10, 1401-1403 (1998).

G. Contestabile, F. Martelli, A. Mecozzi, L. Graziani, A. D'Ottavi, P. Spano, G. Guekos, R. Dall'Ara, J. Eckner, "Efficiency flattening and equalization of frequency up- and down-conversion using four-wave mixing in semiconductor optical amplifiers," IEEE Photon. Technol. Lett. 10, 1398-1400 (1998).

J. P. R. Lacey, M. Summerfield, S. J. Madden, "Tunability of polarization-insensitive wavelength converters based on four-wave mixing in semiconductor optical amplifiers," J. Lightw. Technol. 16, 2419-2427 (1998).

Comm. Lett. (1)

N. Sambo, F. Paolucci, G. Meloni, F. Cugini, M. Secondini, L. Poti, P. Castoldi, "Candidate paths for impairment-aware PCE in 10–100 Gb/s optical networks," Comm. Lett. 15, 881-883 (2011).

IEEE Photon. Technol. Lett. (1)

D. Lavery, C. Behrens, S. Makovejs, D. S. Millar, R. L. Killey, S. J. Savory, P. Bayvel, "Long-haul transmission of PS-QPSK at 100 Gb/s using digital backpropagation," IEEE Photon. Technol. Lett. 24, 176-178 (2012).

IEEE J. Sel. Topics Quantum Electron. (1)

T. Hatta, T. Miyahara, Y. Miyazaki, K. Takagi, K. Matsumoto, T. Aoyagi, K. Motoshima, K. Mishina, A. Maruta, K. Kitayama, "Polarization-insensitive monolithic 40-Gbps SOA-MZI wavelength converter with narrow active waveguides," IEEE J. Sel. Topics Quantum Electron. 13, 32-39 (2007).

IEEE Photon. Technol. Lett. (4)

A. Nguyen, C. Porzi, G. Serafino, F. Fresi, G. Contestabile, A. Bogoni, "All-optical selective wavelength shifter in a SOA-MZI," IEEE Photon. Technol. Lett. 23, 1621-1623 (2011).

M. G. Taylor, "Coherent detection method using DSP for demodulation of signal and subsequent equalization of propagation impairments," IEEE Photon. Technol. Lett. 16, 674-676 (2004).

T. J. Morgan, J. P. R. Lacey, R. S. Tucker, "Widely tunable four-wave mixing in semiconductor optical amplifiers with constant conversion efficiency," IEEE Photon. Technol. Lett. 10, 1401-1403 (1998).

G. Contestabile, F. Martelli, A. Mecozzi, L. Graziani, A. D'Ottavi, P. Spano, G. Guekos, R. Dall'Ara, J. Eckner, "Efficiency flattening and equalization of frequency up- and down-conversion using four-wave mixing in semiconductor optical amplifiers," IEEE Photon. Technol. Lett. 10, 1398-1400 (1998).

J. Lightw. Technol. (1)

C. Xie, G. Raybon, P. J. Winzer, "Transmission of mixed 224-Gb/s and 112-Gb/s PDM-QPSK at 50-GHz channel spacing over 1200-km dispersion-managed LEAF® spans and three ROADMs," J. Lightw. Technol. 30, 547-552 (2012).

J. Lightw. Technol. (7)

D. S. Ly-Gagnon, S. Tsukamoto, K. Katoh, K. Kikuchi, "Coherent detection of optical quadrature phase-shift keying signals with carrier phase estimation," J. Lightw. Technol. 24, 12-21 (2006).

C. R. S. Fludger, T. Duthel, D. van den Borne, C. Schulien, E. D. Schmidt, T. Wuth, J. Geyer, E. De Man, G. D. Khoe, H. de Waardt, "Coherent equalization and POLMUX-RZ-DQPSK for robust 100-GE transmission," J. Lightw. Technol. 26, 64-72 (2008).

P. J. Winzer, A. H. Gnauck, C. R. Doerr, M. Magarini, L. L. Buhl, "Spectrally efficient long-haul optical networking using 112-Gb/s polarization-multiplexed 16-QAM," J. Lightw. Technol. 28, 547-556 (2010).

A. H. Gnauck, P. J. Winzer, A. Konczykowska, F. Jorge, J. Y. Dupuy, M. Riet, G. Charlet, B. Zhu, D. W. Peckham, "Generation and transmission of 21.4-Gbaud PDM 64-QAM using a novel high-power DAC driving a single I/Q modulator," J. Lightw. Technol. 30, 532-536 (2012).

J. P. R. Lacey, M. Summerfield, S. J. Madden, "Tunability of polarization-insensitive wavelength converters based on four-wave mixing in semiconductor optical amplifiers," J. Lightw. Technol. 16, 2419-2427 (1998).

G. Colavolpe, T. Foggi, E. Forestieri, G. Prati, "Robust multilevel coherent optical systems with linear processing at the receiver," J. Lightw. Technol. 27, 2357-2369 (2009).

G. Contestabile, L. Banchi, E. Ciaramella, M. Presi, "Investigation of transparency of FWM in SOA to advanced modulation formats involving intensity, phase, and polarization multiplexing," J. Lightw. Technol. 27, 4256-426 (2009).

Opt. Lett. (1)

C. Porzi, G. Contestabile, A. Bogoni, "All-optical simultaneous drop and wavelength conversion of DPSK data," Opt. Lett. 37, 2523-2525 (2012).

Photon. Technol. Lett. (1)

C. Porzi, A. Bogoni, L. Potì, G. Contestabile, "Polarization and wavelength-independent time-division demultiplexing based on copolarized-pumps FWM in an SOA," Photon. Technol. Lett. 17, 633-635 (2005).

Other (2)

R. Bonk, G. Huber, T. Vallaitis, R. Schmogrow, D. Hillerkuss, C. Koos, W. Freude, J. Leuthold, "Impact of alfa-factor on SOA dynamic range for 20 GBd BPSK, QPSK and 16-QAM signals," Proc. Opt. Fiber Commun. Conf. Expo. (2011) pp. 1-3.

F. Kish, R. Nagarajan, M. Kato, P. Evans, S. Corzine, M. Ziari, A. Nilsson, J. Rahn, D. Lambert, A. Dentai, V. Lal, M. Fisher, M. Kuntz, A. James, R. Malendevich, G. Goldfarb, H.-S. Tsai, P. Samra, S. Han, J. Stewart, T. Butrie, J. McNicol, W. Kuang-Tsan, M. Reffle, D. Welch, "Coherent large-scale InP photonic integrated circuits," Proc. Eur. Conf. Exhib. Optical Commun. (2011) pp. 1-3.

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