Abstract

We propose a novel optical orthogonal frequency-division multiplexing (OFDM) transmission, where the frequency spacing of subchannels is less than the symbol rate. We show experimentally that the novel OFDM transmission achieves an optical SNR (OSNR) sensitivity level and dispersion tolerance roughly equivalent to those of the conventional OFDM. We also show the influence of chromatic dispersion from the transmission channel on the OFDM signal. The chromatic dispersion causes a desynchronization of the symbol timing between subchannels and breaks the frequency orthogonality in OFDM. We confirm experimentally that it is possible to mitigate the signal degradation due to the chromatic dispersion by optimizing the symbol timing and orthogonally polarizing the subchannels to the neighboring subchannels.

© 2009 IEEE

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  1. G. P. Agrawal, Nonlinear Fiber Optics (Academic, 1995) pp. 82.
  2. A. Sano, H. Masuda, Y. Kisaka, S. Aisawa, E. Yoshida, Y. Miyamoto, M. Koga, K. Hagimoto, T. Yamada, T. Furuta, H. Fukuyama, "14-Tb/s (140$\,\times\,$111-Gb/s PDM/WDM) CSRZ-DQPSK transmission over 160 km using 7-THz bandwidth extended L-band EDFAs," Proc. ECOC 2006 () pp. 1-2.
  3. A. Sano, H. Masuda, E. Yoshida, Y. Miyamoto, T. Yamada, T. Furuta, H. Fukuyama, "55$\,\times\,$86 Gb/s CSRZ-DQPSK transmission over 375 km Using Extended L-band Erbium-Doped Fiber Amplifiers," Proc. ECOC 2006 ().
  4. P. J. Winzer, G. Raybon, S. Chandrasekhar, C. R. Doerr, T. Kawasaki, T. Sakamoto, K. Higuma, "10$\,\times\,$107-Gb/z NRZ-DQPSK transmission at 1.0 b/s/Hz over 12$\,\times\,$100 km including 6 optical routing nodes," Proc. OFC 2007 (2007) pp. 1-4.
  5. C. R. S. Fludger, T. Dhthel, D. van den Borne, C. Schulien, E.-D. Schmidt, T. Wuth, "10$\,\times\,$111 Gbit/s, 50 GHz spaced, POLMUX-RZ-DQPSK transmission over 2375 km employing coherent equalization," Proc. OFC 2007 () pp. 1-3.
  6. E. Yamazaki, F. Inuzuka, K. Yonenaga, A. Takada, M. Koga, "Compensation of interchannel crosstalk induced by optical fiber nonlinearity in carrier phase-locked WDM system," IEEE Photon. Technol. Lett. 19, 9-11 (2007).
  7. A. D. Ellis, F. C. G. Gunning, "Spectral density enhancement using coherent WDM," IEEE Photon. Technol. Lett. 17, 504-506 (2005).
  8. A. Sano, E. Yamada, H. Masuda, E. Yamazaki, T. Kobayashi, E. Yoshida, Y. Miyamoto, S. Matsuoka, R. Kubo, K. Ishihara, Y. Takatori, M. Mizoguchi, K. Okada, K. Hagimoto, H. Yamazaki, S. Kamei, H. Ishii, "13.4-Tb/s (134$\,\times\,$111-Gb/s/ch) no-guard-interval coherent OFDM transmission over 3 600 km of SMF with 19-ps average PMD," Proc. ECOC 2008 (2008).
  9. E. Yamada, A. Sano, H. Masuda, E. Yamazaki, T. Kobayashi, E. Yoshida, K. Yonenaga, Y. Miyamoto, K. Ishihara, Y. Takatori, T. Yamada, H. Yamazaki, "1 Tbit/s (111 Gbit/s/ch$\,\times\,$10 ch) no-guard-interval CO-OFDM transmission over 2100 km DSF," Electron. Lett. 44, 1417-1418 (2008).
  10. S. L. Jansen, I. Morita, T. C. Schenk, N. Takeda, H. Tanaka, "Coherent optical 25.8-Gb/s OFDM transmission over 4160-km SSMF," J. Lightw. Technol. 26, 6-15 (2008).
  11. H. Sanjoh, E. Yamada, Y. Yoshikuni, "Optical orthogonal frequency division multiplexing using frequency/time domain filtering for high spectral efficiency up to 1 bit/s/Hz," Proc. OFC 2002 () pp. 401-402.
  12. A. Sumashi, M. Okada, S. Komaki, H. Yamamoto, "Orthogonal polarization and frequency division multiplexing (OPFDM) in a fast and frequency-selective fading channel," Proc. Int. Workshop Mobile Multimedia Commun. (1997) pp. 205-208.
  13. A. Sumashi, M. Okada, S. Komaki, H. Yamamoto, "Orthogonal polarization and frequency division multiplexing (OPFDM): A new multicarrier modulation scheme robust to random FM noise," Electron. Commun. Jpn. 83, 157-66 (2000).
  14. J. Ido, M. Okada, S. Komaki, "Performance improvement method for orthogonal polarization and frequency division multiplexing system using the cross-correlation between cross-polarized signals," IEICE Trans. Commun. J83-B, 634-644 (2000).
  15. E. L. Goldstein, L. Eskildsen, A. F. Elrefaie, "Performance implications of component crosstalk in transparent lightwave network," Photon. Technol. Lett. 6, 657-660 (1994).
  16. K. Yonenaga, F. Inuzuka, S. Yamamoto, H. Takara, A. Takada, M. Jinno, "Bit-rate-flexible all-optical OFDM transceiver using variable multi-carrier source and DQPSK/DPSK mixed multiplexing," Proc. OFC 2009 ().
  17. W. Shieh, H. Bao, Y. Tang, "Coherent optical OFDM: Theory and design," Opt. Exp. 16, 841-859 (2008).
  18. F. C. G. Gunning, T. Healy, A. D. Ellis, "Dispersion tolerance of coherent WDM," IEEE Photon. Technol. Lett. 18, 1338-1340 (2006).

2008 (3)

E. Yamada, A. Sano, H. Masuda, E. Yamazaki, T. Kobayashi, E. Yoshida, K. Yonenaga, Y. Miyamoto, K. Ishihara, Y. Takatori, T. Yamada, H. Yamazaki, "1 Tbit/s (111 Gbit/s/ch$\,\times\,$10 ch) no-guard-interval CO-OFDM transmission over 2100 km DSF," Electron. Lett. 44, 1417-1418 (2008).

S. L. Jansen, I. Morita, T. C. Schenk, N. Takeda, H. Tanaka, "Coherent optical 25.8-Gb/s OFDM transmission over 4160-km SSMF," J. Lightw. Technol. 26, 6-15 (2008).

W. Shieh, H. Bao, Y. Tang, "Coherent optical OFDM: Theory and design," Opt. Exp. 16, 841-859 (2008).

2007 (1)

E. Yamazaki, F. Inuzuka, K. Yonenaga, A. Takada, M. Koga, "Compensation of interchannel crosstalk induced by optical fiber nonlinearity in carrier phase-locked WDM system," IEEE Photon. Technol. Lett. 19, 9-11 (2007).

2006 (1)

F. C. G. Gunning, T. Healy, A. D. Ellis, "Dispersion tolerance of coherent WDM," IEEE Photon. Technol. Lett. 18, 1338-1340 (2006).

2005 (1)

A. D. Ellis, F. C. G. Gunning, "Spectral density enhancement using coherent WDM," IEEE Photon. Technol. Lett. 17, 504-506 (2005).

2000 (2)

A. Sumashi, M. Okada, S. Komaki, H. Yamamoto, "Orthogonal polarization and frequency division multiplexing (OPFDM): A new multicarrier modulation scheme robust to random FM noise," Electron. Commun. Jpn. 83, 157-66 (2000).

J. Ido, M. Okada, S. Komaki, "Performance improvement method for orthogonal polarization and frequency division multiplexing system using the cross-correlation between cross-polarized signals," IEICE Trans. Commun. J83-B, 634-644 (2000).

1994 (1)

E. L. Goldstein, L. Eskildsen, A. F. Elrefaie, "Performance implications of component crosstalk in transparent lightwave network," Photon. Technol. Lett. 6, 657-660 (1994).

Electron. Commun. Jpn. (1)

A. Sumashi, M. Okada, S. Komaki, H. Yamamoto, "Orthogonal polarization and frequency division multiplexing (OPFDM): A new multicarrier modulation scheme robust to random FM noise," Electron. Commun. Jpn. 83, 157-66 (2000).

Electron. Lett. (1)

E. Yamada, A. Sano, H. Masuda, E. Yamazaki, T. Kobayashi, E. Yoshida, K. Yonenaga, Y. Miyamoto, K. Ishihara, Y. Takatori, T. Yamada, H. Yamazaki, "1 Tbit/s (111 Gbit/s/ch$\,\times\,$10 ch) no-guard-interval CO-OFDM transmission over 2100 km DSF," Electron. Lett. 44, 1417-1418 (2008).

IEEE Photon. Technol. Lett. (3)

E. Yamazaki, F. Inuzuka, K. Yonenaga, A. Takada, M. Koga, "Compensation of interchannel crosstalk induced by optical fiber nonlinearity in carrier phase-locked WDM system," IEEE Photon. Technol. Lett. 19, 9-11 (2007).

A. D. Ellis, F. C. G. Gunning, "Spectral density enhancement using coherent WDM," IEEE Photon. Technol. Lett. 17, 504-506 (2005).

F. C. G. Gunning, T. Healy, A. D. Ellis, "Dispersion tolerance of coherent WDM," IEEE Photon. Technol. Lett. 18, 1338-1340 (2006).

IEICE Trans. Commun. (1)

J. Ido, M. Okada, S. Komaki, "Performance improvement method for orthogonal polarization and frequency division multiplexing system using the cross-correlation between cross-polarized signals," IEICE Trans. Commun. J83-B, 634-644 (2000).

J. Lightw. Technol. (1)

S. L. Jansen, I. Morita, T. C. Schenk, N. Takeda, H. Tanaka, "Coherent optical 25.8-Gb/s OFDM transmission over 4160-km SSMF," J. Lightw. Technol. 26, 6-15 (2008).

Opt. Exp. (1)

W. Shieh, H. Bao, Y. Tang, "Coherent optical OFDM: Theory and design," Opt. Exp. 16, 841-859 (2008).

Photon. Technol. Lett. (1)

E. L. Goldstein, L. Eskildsen, A. F. Elrefaie, "Performance implications of component crosstalk in transparent lightwave network," Photon. Technol. Lett. 6, 657-660 (1994).

Other (9)

K. Yonenaga, F. Inuzuka, S. Yamamoto, H. Takara, A. Takada, M. Jinno, "Bit-rate-flexible all-optical OFDM transceiver using variable multi-carrier source and DQPSK/DPSK mixed multiplexing," Proc. OFC 2009 ().

A. Sano, E. Yamada, H. Masuda, E. Yamazaki, T. Kobayashi, E. Yoshida, Y. Miyamoto, S. Matsuoka, R. Kubo, K. Ishihara, Y. Takatori, M. Mizoguchi, K. Okada, K. Hagimoto, H. Yamazaki, S. Kamei, H. Ishii, "13.4-Tb/s (134$\,\times\,$111-Gb/s/ch) no-guard-interval coherent OFDM transmission over 3 600 km of SMF with 19-ps average PMD," Proc. ECOC 2008 (2008).

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

A. Sumashi, M. Okada, S. Komaki, H. Yamamoto, "Orthogonal polarization and frequency division multiplexing (OPFDM) in a fast and frequency-selective fading channel," Proc. Int. Workshop Mobile Multimedia Commun. (1997) pp. 205-208.

G. P. Agrawal, Nonlinear Fiber Optics (Academic, 1995) pp. 82.

A. Sano, H. Masuda, Y. Kisaka, S. Aisawa, E. Yoshida, Y. Miyamoto, M. Koga, K. Hagimoto, T. Yamada, T. Furuta, H. Fukuyama, "14-Tb/s (140$\,\times\,$111-Gb/s PDM/WDM) CSRZ-DQPSK transmission over 160 km using 7-THz bandwidth extended L-band EDFAs," Proc. ECOC 2006 () pp. 1-2.

A. Sano, H. Masuda, E. Yoshida, Y. Miyamoto, T. Yamada, T. Furuta, H. Fukuyama, "55$\,\times\,$86 Gb/s CSRZ-DQPSK transmission over 375 km Using Extended L-band Erbium-Doped Fiber Amplifiers," Proc. ECOC 2006 ().

P. J. Winzer, G. Raybon, S. Chandrasekhar, C. R. Doerr, T. Kawasaki, T. Sakamoto, K. Higuma, "10$\,\times\,$107-Gb/z NRZ-DQPSK transmission at 1.0 b/s/Hz over 12$\,\times\,$100 km including 6 optical routing nodes," Proc. OFC 2007 (2007) pp. 1-4.

C. R. S. Fludger, T. Dhthel, D. van den Borne, C. Schulien, E.-D. Schmidt, T. Wuth, "10$\,\times\,$111 Gbit/s, 50 GHz spaced, POLMUX-RZ-DQPSK transmission over 2375 km employing coherent equalization," Proc. OFC 2007 () pp. 1-3.

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