Abstract

A 1-Tb/s single-channel coherent optical OFDM (CO-OFDM) signal consisting of continuous 4104 spectrally-overlapped subcarriers is generated using a recirculating frequency shifter (RFS). Theoretical and experimental analysis of the RFS is performed to study its effectiveness in extending OFDM bandwidth. In particular, the RFS produces a 320.6-GHz wide frequency comb from a single laser with superior flatness and tone-to-noise ratio (TNR). The 1-Tb/s CO-OFDM signal is consisted of 36 uncorrelated orthogonal bands achieved by adjusting the delay of the RFS to an integer number of OFDM symbol periods. The 1-Tb/s CO-OFDM signal with a spectral efficiency of 3.3 bit/s/Hz is successfully received after transmission over 600-km SSMF fiber without either Raman amplification or dispersion compensation.

© 2010 IEEE

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  1. W. Shieh, C. Athaudage, "Coherent optical orthogonal frequency division multiplexing," Electron. Lett. 42, 587-589 (2006).
  2. W. Shieh, X. Yi, Y. Tang, "Transmission experiment of multi-gigabit coherent optical OFDM systems over 1000 km SSMF fiber," Electron. Lett. 43, 183-185 (2007).
  3. S. L. Jansen, I. Morita, N. Takeda, H. Tanaka, "20-Gb/s OFDM transmission over 4 160-km SSMF enabled by RF-Pilot tone phase noise compensation," Proc. Opt. Fiber Comm. Conf. (2007).
  4. M. Duelk, "Next generation 100 G ethernet," Proc. Eur. Conf. Opt. Commun. (2005).
  5. J. McDonough, "Moving standards to 100 GbE and beyond," IEEE Appl. Practice 6-9 (2007).
  6. M. Nakazawa, "Tb/s OTDM technology," Proc. Eur. Conf. Opt. Commun. (2001).
  7. H. G. Weber, S. Ferber, M. Kroh, C. Schmidt-Langhorst, R. Ludwig, V. Marembert, C. Boerner, F. Futami, S. Watanabe, C. Schubert, "Single channel 1.28 Tbit/s and 2.56 Tbit/s DQPSK transmission," Electron. Lett. 42, 178-179 (2006).
  8. W. Shieh, Q. Yang, Y. Ma, "107 Gb/s coherent optical OFDM transmission over 1000-km SSMF fiber using orthogonal band multiplexing," Opt. Exp. 16, 6378-6386 (2008).
  9. S. L. Jansen, I. Morita, H. Tanaka, "10$\, \times \,$121.9-Gb/s PDM-OFDM transmission with 2-b/s/Hz spectral efficiency over 1000 km of SSMF," Proc. Opt. Fiber Commun. Conf. (2008).
  10. E. Yamada, A. Sano, H. Masuda, E. Yamazaki, T. Kobayashi, E. Yoshida, K. Yonenaga, Y. Miyamoto, K. Ishihara, Y. Takatori, T. Yamada, H. Yamazaki, "1 Tb/s (111 Gb/s/ch$\, \times \,$10 ch) no-guard-interval CO-OFDM transmission over 2100 km DSF," Proc. Opto-Electronics Commun. Conf./Australian Conf. Optical Fiber Technol. (2008).
  11. A. J. Lowery, L. Du, J. Armstrong, "Orthogonal frequency division multiplexing for adaptive dispersion compensation in long haul WDM systems," Proc. Opt. Fiber Commun. Conf. (2006).
  12. I. B. Djordjevic, B. Vasic, "Orthogonal frequency division multiplexing for high-speed optical transmission," Opt. Exp. 14, 3767-3775 (2006).
  13. F. Buchali, R. Dischler, "Optimized sensitivity direct detection O-OFDM with multi level subcarrier modulation," Proc. Eur. Conf. Opt. Commun. (2008).
  14. R. Noé, "Phase noise tolerant synchronous QPSK/BPSK baseband type intradyne receiver concept with feedforward carrier recovery," J. Lightw. Technol. 23, 802-808 (2005).
  15. D. S. Ly-Gagnon, S. Tsukarnoto, K. Katoh, K. Kikuchi, "Coherent detection of optical quadrature phase-shift keying signals with carrier phase estimation," J. Lightw. Technol. 24, 12-21 (2006).
  16. E. Ip, A. P. T. Lau, D. J. F. Barros, J. M. Kahn, "Coherent detection in optical fiber systems," Opt. Exp. 16, 753-791 (2008).
  17. S. J. Savory, G. Gavioli, R. I. Killey, P. Bayvel, "Electronic compensation of chromatic dispersion using a digital coherent receiver," Opt. Exp. 15, 2120-2126 (2008).
  18. H. Sun, K. Wu, K. Roberts, "Real-time measurements of a 40 Gb/s coherent system," Opt. Exp. 16, 873-879 (2008).
  19. W. Shieh, "High spectral efficiency coherent optical OFDM for 1 Tb/s ethernet transport," Optical Fiber Communication Conference (2009).
  20. Y. Ma, Q. Yang, Y. Tang, S. Chen, W. Shieh, "1-Tb/s per channel coherent optical OFDM transmission with subwavelength bandwidth access," Proc. Opt. Fiber Commun. Conf. (2009).
  21. R. Dischler, F. Buchali, "Transmission of 1.2 Tb/s continuous waveband PDM-OFDM-FDM signal with spectral efficiency of 3.3 bit/s/Hz over 400 km of SSMF," Proc. Opt. Fiber Commun. Conf. (2009).
  22. C. Zhang, Y. Mori, K. Igarashi, K. Katoh, K. Kikuchi, "Demodulation of 1.28-Tbit/s polarization-multiplexed 16-QAM signals on single carrier with digital coherent receiver," Proc. Opt. Fiber Commun. Conf. (2009).
  23. C. Schmidt-Langhorst, R. Ludwig, H. Hu, C. Schubert, "Single-channel 1-Tb/s transmission over 480 km DMF for future terabit ethernet systems," Proc. Opt. Fiber Commun. Conf. (2009).
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  25. T. Kawanishi, M. Izutsu, "Linear single-sideband modulation for high-SNR wavelength conversion," Photon. Technol. Lett. 16, 1534-1536 (2004).
  26. X. Liu, F. Buchali, "Intra-symbol frequency-domain averaging based channel estimation for coherent optical OFDM," Opt. Exp. 16, 21944-21957 (2008).

2008 (5)

W. Shieh, Q. Yang, Y. Ma, "107 Gb/s coherent optical OFDM transmission over 1000-km SSMF fiber using orthogonal band multiplexing," Opt. Exp. 16, 6378-6386 (2008).

E. Ip, A. P. T. Lau, D. J. F. Barros, J. M. Kahn, "Coherent detection in optical fiber systems," Opt. Exp. 16, 753-791 (2008).

S. J. Savory, G. Gavioli, R. I. Killey, P. Bayvel, "Electronic compensation of chromatic dispersion using a digital coherent receiver," Opt. Exp. 15, 2120-2126 (2008).

H. Sun, K. Wu, K. Roberts, "Real-time measurements of a 40 Gb/s coherent system," Opt. Exp. 16, 873-879 (2008).

X. Liu, F. Buchali, "Intra-symbol frequency-domain averaging based channel estimation for coherent optical OFDM," Opt. Exp. 16, 21944-21957 (2008).

2007 (2)

W. Shieh, X. Yi, Y. Tang, "Transmission experiment of multi-gigabit coherent optical OFDM systems over 1000 km SSMF fiber," Electron. Lett. 43, 183-185 (2007).

J. McDonough, "Moving standards to 100 GbE and beyond," IEEE Appl. Practice 6-9 (2007).

2006 (4)

H. G. Weber, S. Ferber, M. Kroh, C. Schmidt-Langhorst, R. Ludwig, V. Marembert, C. Boerner, F. Futami, S. Watanabe, C. Schubert, "Single channel 1.28 Tbit/s and 2.56 Tbit/s DQPSK transmission," Electron. Lett. 42, 178-179 (2006).

I. B. Djordjevic, B. Vasic, "Orthogonal frequency division multiplexing for high-speed optical transmission," Opt. Exp. 14, 3767-3775 (2006).

W. Shieh, C. Athaudage, "Coherent optical orthogonal frequency division multiplexing," Electron. Lett. 42, 587-589 (2006).

D. S. Ly-Gagnon, S. Tsukarnoto, 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)

R. Noé, "Phase noise tolerant synchronous QPSK/BPSK baseband type intradyne receiver concept with feedforward carrier recovery," J. Lightw. Technol. 23, 802-808 (2005).

2004 (2)

T. Kawanishi, T. Sakamoto, S. Shinada, M. Izutsu, "Optical frequency comb generator using optical fiber loops with single-sideband modulation," IEICE Electron. Exp. 1, 217-221 (2004).

T. Kawanishi, M. Izutsu, "Linear single-sideband modulation for high-SNR wavelength conversion," Photon. Technol. Lett. 16, 1534-1536 (2004).

Electron. Lett. (3)

W. Shieh, C. Athaudage, "Coherent optical orthogonal frequency division multiplexing," Electron. Lett. 42, 587-589 (2006).

W. Shieh, X. Yi, Y. Tang, "Transmission experiment of multi-gigabit coherent optical OFDM systems over 1000 km SSMF fiber," Electron. Lett. 43, 183-185 (2007).

H. G. Weber, S. Ferber, M. Kroh, C. Schmidt-Langhorst, R. Ludwig, V. Marembert, C. Boerner, F. Futami, S. Watanabe, C. Schubert, "Single channel 1.28 Tbit/s and 2.56 Tbit/s DQPSK transmission," Electron. Lett. 42, 178-179 (2006).

IEEE Appl. Practice (1)

J. McDonough, "Moving standards to 100 GbE and beyond," IEEE Appl. Practice 6-9 (2007).

IEICE Electron. Exp. (1)

T. Kawanishi, T. Sakamoto, S. Shinada, M. Izutsu, "Optical frequency comb generator using optical fiber loops with single-sideband modulation," IEICE Electron. Exp. 1, 217-221 (2004).

J. Lightw. Technol. (2)

R. Noé, "Phase noise tolerant synchronous QPSK/BPSK baseband type intradyne receiver concept with feedforward carrier recovery," J. Lightw. Technol. 23, 802-808 (2005).

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

Opt. Exp. (6)

E. Ip, A. P. T. Lau, D. J. F. Barros, J. M. Kahn, "Coherent detection in optical fiber systems," Opt. Exp. 16, 753-791 (2008).

S. J. Savory, G. Gavioli, R. I. Killey, P. Bayvel, "Electronic compensation of chromatic dispersion using a digital coherent receiver," Opt. Exp. 15, 2120-2126 (2008).

H. Sun, K. Wu, K. Roberts, "Real-time measurements of a 40 Gb/s coherent system," Opt. Exp. 16, 873-879 (2008).

W. Shieh, Q. Yang, Y. Ma, "107 Gb/s coherent optical OFDM transmission over 1000-km SSMF fiber using orthogonal band multiplexing," Opt. Exp. 16, 6378-6386 (2008).

X. Liu, F. Buchali, "Intra-symbol frequency-domain averaging based channel estimation for coherent optical OFDM," Opt. Exp. 16, 21944-21957 (2008).

I. B. Djordjevic, B. Vasic, "Orthogonal frequency division multiplexing for high-speed optical transmission," Opt. Exp. 14, 3767-3775 (2006).

Photon. Technol. Lett. (1)

T. Kawanishi, M. Izutsu, "Linear single-sideband modulation for high-SNR wavelength conversion," Photon. Technol. Lett. 16, 1534-1536 (2004).

Other (12)

F. Buchali, R. Dischler, "Optimized sensitivity direct detection O-OFDM with multi level subcarrier modulation," Proc. Eur. Conf. Opt. Commun. (2008).

M. Nakazawa, "Tb/s OTDM technology," Proc. Eur. Conf. Opt. Commun. (2001).

S. L. Jansen, I. Morita, H. Tanaka, "10$\, \times \,$121.9-Gb/s PDM-OFDM transmission with 2-b/s/Hz spectral efficiency over 1000 km of SSMF," Proc. Opt. Fiber Commun. Conf. (2008).

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 Tb/s (111 Gb/s/ch$\, \times \,$10 ch) no-guard-interval CO-OFDM transmission over 2100 km DSF," Proc. Opto-Electronics Commun. Conf./Australian Conf. Optical Fiber Technol. (2008).

A. J. Lowery, L. Du, J. Armstrong, "Orthogonal frequency division multiplexing for adaptive dispersion compensation in long haul WDM systems," Proc. Opt. Fiber Commun. Conf. (2006).

S. L. Jansen, I. Morita, N. Takeda, H. Tanaka, "20-Gb/s OFDM transmission over 4 160-km SSMF enabled by RF-Pilot tone phase noise compensation," Proc. Opt. Fiber Comm. Conf. (2007).

M. Duelk, "Next generation 100 G ethernet," Proc. Eur. Conf. Opt. Commun. (2005).

W. Shieh, "High spectral efficiency coherent optical OFDM for 1 Tb/s ethernet transport," Optical Fiber Communication Conference (2009).

Y. Ma, Q. Yang, Y. Tang, S. Chen, W. Shieh, "1-Tb/s per channel coherent optical OFDM transmission with subwavelength bandwidth access," Proc. Opt. Fiber Commun. Conf. (2009).

R. Dischler, F. Buchali, "Transmission of 1.2 Tb/s continuous waveband PDM-OFDM-FDM signal with spectral efficiency of 3.3 bit/s/Hz over 400 km of SSMF," Proc. Opt. Fiber Commun. Conf. (2009).

C. Zhang, Y. Mori, K. Igarashi, K. Katoh, K. Kikuchi, "Demodulation of 1.28-Tbit/s polarization-multiplexed 16-QAM signals on single carrier with digital coherent receiver," Proc. Opt. Fiber Commun. Conf. (2009).

C. Schmidt-Langhorst, R. Ludwig, H. Hu, C. Schubert, "Single-channel 1-Tb/s transmission over 480 km DMF for future terabit ethernet systems," Proc. Opt. Fiber Commun. Conf. (2009).

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