Abstract

We discuss optical multi-band orthogonal frequency division multiplexing (OFDM) and show that by using multiple parallel OFDM bands, the required bandwidth of the digital-to-analogue/ analogue-to-digital converters and the required cyclic prefix can significantly be reduced. With the help of four OFDM bands and polarization division multiplexing (PDM) we report continuously detectable transmission of 10$\,\times\,$121.9-Gb/s (112.6-Gb/s without OFDM overhead) at 50-GHz channel spacing over 1,000-km standard single mode fiber (SSMF) without any inline dispersion compensation. In this experiment 8 QAM subcarrier modulation is used which confines the spectrum of the 121.9 Gb/s PDM-OFDM signal within a 22.8 GHz optical bandwidth. Moreover, we propose a digital signal processing method to reduce the matching requirements for the wideband transmitter IQ mixer structures required for PDM-OFDM.

© 2009 IEEE

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  5. H. Sun, K.-T. Wu, K. Roberts, "Real-time measurements of a 40 Gb/s coherent system," Opt. Exp. 16, 873-879 (2008).
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  21. R. Hui, "Multi-tributary OFDM optical transmitter using carrier-suppressed optical single-sideband modulation," Proc. Opt. Fiber Commun. Conf. (2003).
  22. T. Kobayashi, A. Sano, E. Yamada, H. Takara, A. Takada, "Electro-optically subcarrier multiplexed 110 Gb/s OFDM signal transmission over 80 km SMF without dispersion compensation," Proc. Optoelectron. Commun. Conf. (2007).
  23. S. Corzine, P. Evans, M. Kato, G. He, M. Fisher, M. Raburn, A. Dentai, I. Lyubomirsky, R. Nagarajan, M. Missey, V. Lal, A. Chen, J. Thomson, W. Williams, P. Chavarkar, S. Nguyen, D. Lambert, T. Butrie, M. Reffle, R. Schneider, M. Ziari, C. Joyner, S. Grubb, F. Kish, D. Welch, "10-channel$\,\times\,$40 Gb/s per channel DQPSK monolithically integrated InP-based transmitter PIC," Proc. Opt. Fiber Commun. Conf. (2008).
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  26. M. Valkama, M. Renfors, V. Koivunen, "Advanced methods for I/Q imbalance compensation in communication receivers," IEEE Trans. Signal Process. 49, (2001).
  27. T. C. W. Schenk, P. F. M. Smulders, E. R. Fledderus, "Estimation and compensation of TX and RX IQ imbalance in OFDM-based MIMO Systems," Proc. IEEE Radio Wireless Symposium (2006) pp. 215-218.
  28. Y. Ma, W. Shieh, Q. Yang, "Bandwidth-efficient 21.4 Gb/s coherent optical 2$\,\times\,$2 MIMO OFDM transmission," Proc. Opt. Fiber Commun. Conf. (2008).
  29. D. Gesbert, M. Shafi, P. J. Da-shan, S. Smith, A. Naguib, "From theory to practice: An overview of MIMO space-time coded wireless systems," IEEE J. Sel. Areas Commun. 21, 281-282 (2003).
  30. S. T. Chung, A. J. Goldsmith, "Degrees of freedom in adaptive modulation: A unified view," IEEE Trans. Commun. 49, 1561-1571 (2001).
  31. T. C. W. Schenk, P. F. M. Smulders, E. R. Fledderus, "Estimation and compensation of frequency selective TX/RX IQ imbalance in MIMO OFDM systems," Proc. IEEE Int. Conf. Commun. (2006) pp. 251-256.

2008 (3)

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

S. L. Jansen, I. Morita, T. C. W. Schenk, H. Tanaka, "Long-haul transmission of 16$\,\times\,$52.5-Gb/s polarization division multiplexed OFDM enabled by MIMO processing," OSA J. Opt. Networking 7, 173-182 (2008).

S. L. Jansen, I. Morita, T. C. W. Schenk, N. Takeda, H. Tanaka, "Coherent optical 25.8-Gb/s OFDM transmission over 4,160-km SSMF," J. Lightw. Technol. 26, 6-15 (2008).

2006 (1)

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

2003 (1)

D. Gesbert, M. Shafi, P. J. Da-shan, S. Smith, A. Naguib, "From theory to practice: An overview of MIMO space-time coded wireless systems," IEEE J. Sel. Areas Commun. 21, 281-282 (2003).

2001 (2)

S. T. Chung, A. J. Goldsmith, "Degrees of freedom in adaptive modulation: A unified view," IEEE Trans. Commun. 49, 1561-1571 (2001).

M. Valkama, M. Renfors, V. Koivunen, "Advanced methods for I/Q imbalance compensation in communication receivers," IEEE Trans. Signal Process. 49, (2001).

1997 (1)

T. M. Schmidl, D. C. Cox, "Robust frequency and timing synchronization for OFDM," IEEE Trans. Commun. 45, 1613-1621 (1997).

IEEE Trans. Signal Process. (1)

M. Valkama, M. Renfors, V. Koivunen, "Advanced methods for I/Q imbalance compensation in communication receivers," IEEE Trans. Signal Process. 49, (2001).

IEEE J. Sel. Areas Commun. (1)

D. Gesbert, M. Shafi, P. J. Da-shan, S. Smith, A. Naguib, "From theory to practice: An overview of MIMO space-time coded wireless systems," IEEE J. Sel. Areas Commun. 21, 281-282 (2003).

IEEE Trans. Commun. (2)

S. T. Chung, A. J. Goldsmith, "Degrees of freedom in adaptive modulation: A unified view," IEEE Trans. Commun. 49, 1561-1571 (2001).

T. M. Schmidl, D. C. Cox, "Robust frequency and timing synchronization for OFDM," IEEE Trans. Commun. 45, 1613-1621 (1997).

J. Lightw. Technol. (1)

S. L. Jansen, I. Morita, T. C. W. Schenk, N. Takeda, H. Tanaka, "Coherent optical 25.8-Gb/s OFDM transmission over 4,160-km SSMF," J. Lightw. Technol. 26, 6-15 (2008).

Opt. Exp. (2)

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

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

OSA J. Opt. Networking (1)

S. L. Jansen, I. Morita, T. C. W. Schenk, H. Tanaka, "Long-haul transmission of 16$\,\times\,$52.5-Gb/s polarization division multiplexed OFDM enabled by MIMO processing," OSA J. Opt. Networking 7, 173-182 (2008).

Other (23)

C. R. S. Fludger, T. Duthel, D. van den Borne, C. Schulien, E.-D. Schmidt, T. Wuth, E. de Man, G. D. Khoe, H. de Waardt, "10$\,\times\,$111 Gbit/s, 50 GHz spaced, POLMUX-RZ-DQPSK transmission over 2375 km employing coherent equalisation," Proc. Opt. Fiber Commun. Conf. (2007).

X. Zhou, J. Yu, D. Qian, T. Wang, G. Zhang, P. D. Magill, "8$\,\times\,$114 Gb/s, 25-GHz-spaced, PolMux-RZ-8 PSK transmission over 640 km of SSMF employing digital coherent detection and EDFA-only amplification," Proc. Opt. Fiber Commun. Conf. (2008).

E. Yamada, A. Sano, H. Masuda, T. Kobayashi, E. Yoshida, Y. Miyamoto, Y. Hibino, K. Ishihara, K. Okada, K. Hagimoto, T. Yamada, Y. Sakamaki, "Novel no-guard-interval PDM CO-OFDM transmission in 4.1 Tb/s (50$\,\times\,$88.8-Gb/s) DWDM link over 800 km SMF including 50-GHz spaced ROADM nodes," Proc. Opt. Fiber Commun. Conf. (2008).

S. L. Jansen, I. Morita, H. Tanaka, "10$\,\times\,$121.9-Gb/s PDM-OFDM transmission with 2-b/s/Hz spectral efficiency over 1,000 km of SSMF," Proc. Opt. Fiber Commun. Conf. (2008).

Q. Yang, Y. Ma, W. Shieh, "107 Gb/s coherent optical OFDM reception using orthogonal band multiplexing," Proc. Opt. Fiber Commun. Conf. (2008).

B. J. C. Schmidt, A. J. Lowery, J. Armstrong, "Experimental demonstrations of 20 Gbit/s direct-detection optical OFDM and 12 Gbit/s with a colorless transmitter," Proc. Opt. Fiber Commun. Conf. (2007).

S. L. Jansen, I. Morita, K. Forozesh, S. Randel, D. van den Borne, H. Tanaka, "Optical OFDM, a hype or is it for real?," Proc. Eur. Conf. Opt. Commun. (2008).

R. van Nee, R. Presad, OFDM for Wireless Multimedia Communications (Artech House, 2000).

T. C. W. Schenk, M. M. de Laat, P. F. M. Smulders, E. R. Fledderus, "Symbol timing for multiple antenna OFDM systems," Proc. IEEE Veh. Technol. Conf. (2006) pp. 1521-1525.

T. C. W. Schenk, RF Imperfections in High-Rate Wireless Systems (Springer, 2008).

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

K. Schuh, E. Lach, B. Junginger, G. Veith, J. Renaudier, G. Charlet, P. Tran, "8 Tbit/s (80$\,\times\,$107 Gbit/s) DWDM ASK-NRZ VSB transmission over 510 km NZDSF with 1 bit/s/Hz spectral efficiency," Proc. Eur. Conf. Opt. Commun. (2007).

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

A. Sano, H. Masuda, E. Yoshida, T. Kobayashi, E. Yamada, Y. Miyamoto, F. Inuzuka, Y. Hibino, Y. Takatori, K. Hagimoto, T. Yamada, Y. Sakamaki, "30$\,\times\,$100-Gb/s all-optical OFDM transmission over 1300 km SMF with 10 ROADM nodes," Proc. Eur. Conf. Opt. Commun. (2007).

J. G. Proakis, D. K. Manolakis, Digital Signal Processing: Principles, Algorithms and Applications (Prentice-Hall, 1995).

R. Hui, "Multi-tributary OFDM optical transmitter using carrier-suppressed optical single-sideband modulation," Proc. Opt. Fiber Commun. Conf. (2003).

T. Kobayashi, A. Sano, E. Yamada, H. Takara, A. Takada, "Electro-optically subcarrier multiplexed 110 Gb/s OFDM signal transmission over 80 km SMF without dispersion compensation," Proc. Optoelectron. Commun. Conf. (2007).

S. Corzine, P. Evans, M. Kato, G. He, M. Fisher, M. Raburn, A. Dentai, I. Lyubomirsky, R. Nagarajan, M. Missey, V. Lal, A. Chen, J. Thomson, W. Williams, P. Chavarkar, S. Nguyen, D. Lambert, T. Butrie, M. Reffle, R. Schneider, M. Ziari, C. Joyner, S. Grubb, F. Kish, D. Welch, "10-channel$\,\times\,$40 Gb/s per channel DQPSK monolithically integrated InP-based transmitter PIC," Proc. Opt. Fiber Commun. Conf. (2008).

J. G. Proakis, Digital Communications (McGraw-Hill, 2001).

S. L. Jansen, I. Morita, H. Tanaka, "Experimental demonstration of 23.6-Gb/s OFDM with a colorless transmitter," Proc. Optoelectron. Commun. Conf. (2007).

T. C. W. Schenk, P. F. M. Smulders, E. R. Fledderus, "Estimation and compensation of frequency selective TX/RX IQ imbalance in MIMO OFDM systems," Proc. IEEE Int. Conf. Commun. (2006) pp. 251-256.

T. C. W. Schenk, P. F. M. Smulders, E. R. Fledderus, "Estimation and compensation of TX and RX IQ imbalance in OFDM-based MIMO Systems," Proc. IEEE Radio Wireless Symposium (2006) pp. 215-218.

Y. Ma, W. Shieh, Q. Yang, "Bandwidth-efficient 21.4 Gb/s coherent optical 2$\,\times\,$2 MIMO OFDM transmission," Proc. Opt. Fiber Commun. Conf. (2008).

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