Abstract

We investigated the effect of subcarriers-to-subcarriers mixing interference and frequency fading in direct-detection (DD) optical orthogonal frequency-division multiplexing (OFDM) system. We also proposed and experimentally demonstrated a novel DD OFDM transmission scheme with pre-emphasis technique. By pre-emphasizing the power of the OFDM subcarriers at the high frequency, the received sensitivity at our experiment was improved about 2 dB at a bit error rate of $1 x 10<sup>-4</sup> after 100-km SMF-28 transmission compared to the regular one without this technique.

© 2011 IEEE

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  1. J. Armstrong, "OFDM for optical communications," J. Lightw. Technol. 27, 189-204 (2009).
  2. J. Yu, J. Hu, D. Qian, Z. Jia, G. K. Chang, T. Wang, "Transmission of microwave-photonics generated 16 Gbit/s super broadband OFDM signals in radio-over-fiber system," presented at the Opt. Fiber Commun. Conf. Nat. Fiber Opt. Eng. Conf. San DiegoCA (2008) Paper OThP2.
  3. J. Yu, M. F. Huang, D. Qian, L. Chen, G. K. Chang, "Centralized lightwave WDM-PON employing 16-QAM intensity modulated OFDM downstream and OOK modulated upstream signals," IEEE Photon. Technol. Lett. 20, 1545-1547 (2008).
  4. Z. Cao, Z. Dong, J. Lu, M. Xia, L. Chen, "Optical OFDM signal generation by optical phase modulator and its application in ROF system," Proc. Eur. Conf. Opt. Commun. (2009) pp. 1-2.
  5. S. L. Jansen, I. Morita, T. Schenk, N. Takeda, H. Tanaka, "Coherent optical 25.8-Gb/s OFDM transmission over 4160-km SSMF," J. Lightw. Technol. 26, 6-15 (2008).
  6. W. Shieh, "PMD-supported coherent optical OFDM systems," IEEE Photon. Technol. Lett. 19, 134-136 (2007).
  7. Q. Yang, Y. Tang, Y. Ma, W. Shieh, "Experimental demonstration and numerical simulation of 107-Gb/s high spectral efficiency coherent optical OFDM," J. Lightw. Technol. 27, 168-176 (2009).
  8. B. J. C. Schmidt, A. J. Lowery, J. Armstrong, "Experimental demonstrations of electronic dispersion compensation for long-haul transmission using direct-detection optical OFDM," J. Lightw. Technol. 26, 196-203 (2008).
  9. W. R. Peng, B. Zhang, K. M. Feng, X. Wu, A. Willner, S. Chi, "Spectrally efficient direct-detected OFDM transmission incorporating a tunable frequency gap and an iterative detection techniques," J. Lightw. Technol. 27, 5723-5735 (2009).
  10. B. Schmidt, A. J. Lowery, J. Armstrong, "Impact of PMD in single-receiver and polarization-diverse direct-detection optical OFDM," J. Lightw. Technol. 27, 2792-2799 (2009).
  11. Z. Cao, J. Yu, M. Xia, Q. Tang, Y. Gao, W. Wang, L. Chen, "Reduction of intersubcarrier interference and frequency-selective fading in OFDM-ROF systems," J. Lightw. Technol. 28, 2423-2429 (2010).
  12. Z. Cao, J. Yu, W. Wang, L. Chen, Z. Dong, "Direct-detection optical OFDM transmission system without frequency guard band," IEEE Photon. Technol. Lett. 22, 736-738 (2010).
  13. Z. Xu, O. Maurice, R. Hui, "Spectral-efficient OOFDM system using compatible SSB modulation with a simple dual-electrode MZM," presented at Opt. Fiber Commun. Conf. Nat. Fiber Opt. Eng. Conf. San DiegoCA (2010) Paper OMR2.
  14. A. J. Lowery, "Improving sensitivity and spectral efficiency in direct-detection optical OFDM systems," presented at Opt. Fiber Commun. Conf. Nat. Fiber Opt. Eng. Conf. San DiegoCA (2008) Paper OMM4.
  15. W. R. Peng, X. Wu, V. R. Arbab, K. Feng, B. Shamee, L. C. Christen, J. Y. Yang, A. E. Willner, S. Chi, "Theoretical and experimental investigations of direct-detected RF-tone-assisted optical OFDM systems," J. Lightw. Technol. 27, 1332-1339 (2009).

2010

Z. Cao, J. Yu, M. Xia, Q. Tang, Y. Gao, W. Wang, L. Chen, "Reduction of intersubcarrier interference and frequency-selective fading in OFDM-ROF systems," J. Lightw. Technol. 28, 2423-2429 (2010).

Z. Cao, J. Yu, W. Wang, L. Chen, Z. Dong, "Direct-detection optical OFDM transmission system without frequency guard band," IEEE Photon. Technol. Lett. 22, 736-738 (2010).

2009

W. R. Peng, X. Wu, V. R. Arbab, K. Feng, B. Shamee, L. C. Christen, J. Y. Yang, A. E. Willner, S. Chi, "Theoretical and experimental investigations of direct-detected RF-tone-assisted optical OFDM systems," J. Lightw. Technol. 27, 1332-1339 (2009).

J. Armstrong, "OFDM for optical communications," J. Lightw. Technol. 27, 189-204 (2009).

Q. Yang, Y. Tang, Y. Ma, W. Shieh, "Experimental demonstration and numerical simulation of 107-Gb/s high spectral efficiency coherent optical OFDM," J. Lightw. Technol. 27, 168-176 (2009).

W. R. Peng, B. Zhang, K. M. Feng, X. Wu, A. Willner, S. Chi, "Spectrally efficient direct-detected OFDM transmission incorporating a tunable frequency gap and an iterative detection techniques," J. Lightw. Technol. 27, 5723-5735 (2009).

B. Schmidt, A. J. Lowery, J. Armstrong, "Impact of PMD in single-receiver and polarization-diverse direct-detection optical OFDM," J. Lightw. Technol. 27, 2792-2799 (2009).

2008

B. J. C. Schmidt, A. J. Lowery, J. Armstrong, "Experimental demonstrations of electronic dispersion compensation for long-haul transmission using direct-detection optical OFDM," J. Lightw. Technol. 26, 196-203 (2008).

J. Yu, M. F. Huang, D. Qian, L. Chen, G. K. Chang, "Centralized lightwave WDM-PON employing 16-QAM intensity modulated OFDM downstream and OOK modulated upstream signals," IEEE Photon. Technol. Lett. 20, 1545-1547 (2008).

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

2007

W. Shieh, "PMD-supported coherent optical OFDM systems," IEEE Photon. Technol. Lett. 19, 134-136 (2007).

IEEE Photon. Technol. Lett.

J. Yu, M. F. Huang, D. Qian, L. Chen, G. K. Chang, "Centralized lightwave WDM-PON employing 16-QAM intensity modulated OFDM downstream and OOK modulated upstream signals," IEEE Photon. Technol. Lett. 20, 1545-1547 (2008).

W. Shieh, "PMD-supported coherent optical OFDM systems," IEEE Photon. Technol. Lett. 19, 134-136 (2007).

Z. Cao, J. Yu, W. Wang, L. Chen, Z. Dong, "Direct-detection optical OFDM transmission system without frequency guard band," IEEE Photon. Technol. Lett. 22, 736-738 (2010).

J. Lightw. Technol.

S. L. Jansen, I. Morita, T. 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. R. Peng, X. Wu, V. R. Arbab, K. Feng, B. Shamee, L. C. Christen, J. Y. Yang, A. E. Willner, S. Chi, "Theoretical and experimental investigations of direct-detected RF-tone-assisted optical OFDM systems," J. Lightw. Technol. 27, 1332-1339 (2009).

Q. Yang, Y. Tang, Y. Ma, W. Shieh, "Experimental demonstration and numerical simulation of 107-Gb/s high spectral efficiency coherent optical OFDM," J. Lightw. Technol. 27, 168-176 (2009).

B. J. C. Schmidt, A. J. Lowery, J. Armstrong, "Experimental demonstrations of electronic dispersion compensation for long-haul transmission using direct-detection optical OFDM," J. Lightw. Technol. 26, 196-203 (2008).

W. R. Peng, B. Zhang, K. M. Feng, X. Wu, A. Willner, S. Chi, "Spectrally efficient direct-detected OFDM transmission incorporating a tunable frequency gap and an iterative detection techniques," J. Lightw. Technol. 27, 5723-5735 (2009).

B. Schmidt, A. J. Lowery, J. Armstrong, "Impact of PMD in single-receiver and polarization-diverse direct-detection optical OFDM," J. Lightw. Technol. 27, 2792-2799 (2009).

Z. Cao, J. Yu, M. Xia, Q. Tang, Y. Gao, W. Wang, L. Chen, "Reduction of intersubcarrier interference and frequency-selective fading in OFDM-ROF systems," J. Lightw. Technol. 28, 2423-2429 (2010).

J. Armstrong, "OFDM for optical communications," J. Lightw. Technol. 27, 189-204 (2009).

Other

J. Yu, J. Hu, D. Qian, Z. Jia, G. K. Chang, T. Wang, "Transmission of microwave-photonics generated 16 Gbit/s super broadband OFDM signals in radio-over-fiber system," presented at the Opt. Fiber Commun. Conf. Nat. Fiber Opt. Eng. Conf. San DiegoCA (2008) Paper OThP2.

Z. Cao, Z. Dong, J. Lu, M. Xia, L. Chen, "Optical OFDM signal generation by optical phase modulator and its application in ROF system," Proc. Eur. Conf. Opt. Commun. (2009) pp. 1-2.

Z. Xu, O. Maurice, R. Hui, "Spectral-efficient OOFDM system using compatible SSB modulation with a simple dual-electrode MZM," presented at Opt. Fiber Commun. Conf. Nat. Fiber Opt. Eng. Conf. San DiegoCA (2010) Paper OMR2.

A. J. Lowery, "Improving sensitivity and spectral efficiency in direct-detection optical OFDM systems," presented at Opt. Fiber Commun. Conf. Nat. Fiber Opt. Eng. Conf. San DiegoCA (2008) Paper OMM4.

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