Abstract

We propose to employ 8B10B line coding as a simple technique to mitigate the impact of non-uniform laser diode FM response on the system performance of directly-modulated CPFSK. Experimental results show its effectiveness in decreasing signal distortion and penalty.

© 2008 Optical Society of America

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References

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  1. D. T. Schaafsma, E. Miles, and E. M. Bradley, “Comparison of conventional and gain-clamped semiconductor optical amplifiers for wavelength-division-multiplexed transmission systems,” J. Lightwave Technol. 18, 922–925 (2000).
    [CrossRef]
  2. R. Wyatt, D. W. Smith, T. G. Hodgkinson, R. A. Harmon, and W. J. Devlin, “140 Mbit/s optical FSK fibre heterodyne experiment at 1.54 µm,” Electron. Lett. 20, 912–913 (1984).
    [CrossRef]
  3. B. Wedding, R. Jung, C. Haslach, and H. Söhnle, “10.7 Gbit/s FSK transmission with 61 dB power budget,” Proceedings of ECOC2003, Vol. 4, paper Th1.5.5 (21–25 Sep. 2003).
  4. K. Emura, T. Ono, A. Noda, and S. Yamazaki, “Requirements for high-frequency LD FM response in an optical CPFSK heterodyne delay demodulation system,” J. Lightwave Technol. 9, 1602–1608 (1991).
    [CrossRef]
  5. K. Iwashita and T. Matsumoto, “Modulation and detection characteristics of optical continuous phase FSK,” J. Lightwave Technol. 5, 452–460 (1987).
    [CrossRef]
  6. S. P. Mazunder, R. Gangopadhay, E. Forestieri, and G. Prati, “Sensitivity penalty for AMI-coded,” IEEE Photonics Technol. Lett. 7, 1207–1209 (1995).
  7. E. Forestieri and G. Prati, “Analysis of delay-and-multiply optical FSK receivers with line coding and nonflat laser FM response,” IEEE J. Sel. Areas Commun. 13, 543–556 (1995).
    [CrossRef]
  8. A. X. Widmer and P. A. Franaszek, “A DC-Balanced, partitioned-block, 8B/10B transmission code,” IBM J. Res. Dev. 27, 440–451 (1983).
    [CrossRef]

2000 (1)

1995 (2)

S. P. Mazunder, R. Gangopadhay, E. Forestieri, and G. Prati, “Sensitivity penalty for AMI-coded,” IEEE Photonics Technol. Lett. 7, 1207–1209 (1995).

E. Forestieri and G. Prati, “Analysis of delay-and-multiply optical FSK receivers with line coding and nonflat laser FM response,” IEEE J. Sel. Areas Commun. 13, 543–556 (1995).
[CrossRef]

1991 (1)

K. Emura, T. Ono, A. Noda, and S. Yamazaki, “Requirements for high-frequency LD FM response in an optical CPFSK heterodyne delay demodulation system,” J. Lightwave Technol. 9, 1602–1608 (1991).
[CrossRef]

1987 (1)

K. Iwashita and T. Matsumoto, “Modulation and detection characteristics of optical continuous phase FSK,” J. Lightwave Technol. 5, 452–460 (1987).
[CrossRef]

1984 (1)

R. Wyatt, D. W. Smith, T. G. Hodgkinson, R. A. Harmon, and W. J. Devlin, “140 Mbit/s optical FSK fibre heterodyne experiment at 1.54 µm,” Electron. Lett. 20, 912–913 (1984).
[CrossRef]

1983 (1)

A. X. Widmer and P. A. Franaszek, “A DC-Balanced, partitioned-block, 8B/10B transmission code,” IBM J. Res. Dev. 27, 440–451 (1983).
[CrossRef]

Bradley, E. M.

Devlin, W. J.

R. Wyatt, D. W. Smith, T. G. Hodgkinson, R. A. Harmon, and W. J. Devlin, “140 Mbit/s optical FSK fibre heterodyne experiment at 1.54 µm,” Electron. Lett. 20, 912–913 (1984).
[CrossRef]

Emura, K.

K. Emura, T. Ono, A. Noda, and S. Yamazaki, “Requirements for high-frequency LD FM response in an optical CPFSK heterodyne delay demodulation system,” J. Lightwave Technol. 9, 1602–1608 (1991).
[CrossRef]

Forestieri, E.

S. P. Mazunder, R. Gangopadhay, E. Forestieri, and G. Prati, “Sensitivity penalty for AMI-coded,” IEEE Photonics Technol. Lett. 7, 1207–1209 (1995).

E. Forestieri and G. Prati, “Analysis of delay-and-multiply optical FSK receivers with line coding and nonflat laser FM response,” IEEE J. Sel. Areas Commun. 13, 543–556 (1995).
[CrossRef]

Franaszek, P. A.

A. X. Widmer and P. A. Franaszek, “A DC-Balanced, partitioned-block, 8B/10B transmission code,” IBM J. Res. Dev. 27, 440–451 (1983).
[CrossRef]

Gangopadhay, R.

S. P. Mazunder, R. Gangopadhay, E. Forestieri, and G. Prati, “Sensitivity penalty for AMI-coded,” IEEE Photonics Technol. Lett. 7, 1207–1209 (1995).

Harmon, R. A.

R. Wyatt, D. W. Smith, T. G. Hodgkinson, R. A. Harmon, and W. J. Devlin, “140 Mbit/s optical FSK fibre heterodyne experiment at 1.54 µm,” Electron. Lett. 20, 912–913 (1984).
[CrossRef]

Haslach, C.

B. Wedding, R. Jung, C. Haslach, and H. Söhnle, “10.7 Gbit/s FSK transmission with 61 dB power budget,” Proceedings of ECOC2003, Vol. 4, paper Th1.5.5 (21–25 Sep. 2003).

Hodgkinson, T. G.

R. Wyatt, D. W. Smith, T. G. Hodgkinson, R. A. Harmon, and W. J. Devlin, “140 Mbit/s optical FSK fibre heterodyne experiment at 1.54 µm,” Electron. Lett. 20, 912–913 (1984).
[CrossRef]

Iwashita, K.

K. Iwashita and T. Matsumoto, “Modulation and detection characteristics of optical continuous phase FSK,” J. Lightwave Technol. 5, 452–460 (1987).
[CrossRef]

Jung, R.

B. Wedding, R. Jung, C. Haslach, and H. Söhnle, “10.7 Gbit/s FSK transmission with 61 dB power budget,” Proceedings of ECOC2003, Vol. 4, paper Th1.5.5 (21–25 Sep. 2003).

Matsumoto, T.

K. Iwashita and T. Matsumoto, “Modulation and detection characteristics of optical continuous phase FSK,” J. Lightwave Technol. 5, 452–460 (1987).
[CrossRef]

Mazunder, S. P.

S. P. Mazunder, R. Gangopadhay, E. Forestieri, and G. Prati, “Sensitivity penalty for AMI-coded,” IEEE Photonics Technol. Lett. 7, 1207–1209 (1995).

Miles, E.

Noda, A.

K. Emura, T. Ono, A. Noda, and S. Yamazaki, “Requirements for high-frequency LD FM response in an optical CPFSK heterodyne delay demodulation system,” J. Lightwave Technol. 9, 1602–1608 (1991).
[CrossRef]

Ono, T.

K. Emura, T. Ono, A. Noda, and S. Yamazaki, “Requirements for high-frequency LD FM response in an optical CPFSK heterodyne delay demodulation system,” J. Lightwave Technol. 9, 1602–1608 (1991).
[CrossRef]

Prati, G.

S. P. Mazunder, R. Gangopadhay, E. Forestieri, and G. Prati, “Sensitivity penalty for AMI-coded,” IEEE Photonics Technol. Lett. 7, 1207–1209 (1995).

E. Forestieri and G. Prati, “Analysis of delay-and-multiply optical FSK receivers with line coding and nonflat laser FM response,” IEEE J. Sel. Areas Commun. 13, 543–556 (1995).
[CrossRef]

Schaafsma, D. T.

Smith, D. W.

R. Wyatt, D. W. Smith, T. G. Hodgkinson, R. A. Harmon, and W. J. Devlin, “140 Mbit/s optical FSK fibre heterodyne experiment at 1.54 µm,” Electron. Lett. 20, 912–913 (1984).
[CrossRef]

Söhnle, H.

B. Wedding, R. Jung, C. Haslach, and H. Söhnle, “10.7 Gbit/s FSK transmission with 61 dB power budget,” Proceedings of ECOC2003, Vol. 4, paper Th1.5.5 (21–25 Sep. 2003).

Wedding, B.

B. Wedding, R. Jung, C. Haslach, and H. Söhnle, “10.7 Gbit/s FSK transmission with 61 dB power budget,” Proceedings of ECOC2003, Vol. 4, paper Th1.5.5 (21–25 Sep. 2003).

Widmer, A. X.

A. X. Widmer and P. A. Franaszek, “A DC-Balanced, partitioned-block, 8B/10B transmission code,” IBM J. Res. Dev. 27, 440–451 (1983).
[CrossRef]

Wyatt, R.

R. Wyatt, D. W. Smith, T. G. Hodgkinson, R. A. Harmon, and W. J. Devlin, “140 Mbit/s optical FSK fibre heterodyne experiment at 1.54 µm,” Electron. Lett. 20, 912–913 (1984).
[CrossRef]

Yamazaki, S.

K. Emura, T. Ono, A. Noda, and S. Yamazaki, “Requirements for high-frequency LD FM response in an optical CPFSK heterodyne delay demodulation system,” J. Lightwave Technol. 9, 1602–1608 (1991).
[CrossRef]

Electron. Lett. (1)

R. Wyatt, D. W. Smith, T. G. Hodgkinson, R. A. Harmon, and W. J. Devlin, “140 Mbit/s optical FSK fibre heterodyne experiment at 1.54 µm,” Electron. Lett. 20, 912–913 (1984).
[CrossRef]

IBM J. Res. Dev. (1)

A. X. Widmer and P. A. Franaszek, “A DC-Balanced, partitioned-block, 8B/10B transmission code,” IBM J. Res. Dev. 27, 440–451 (1983).
[CrossRef]

IEEE J. Sel. Areas Commun. (1)

E. Forestieri and G. Prati, “Analysis of delay-and-multiply optical FSK receivers with line coding and nonflat laser FM response,” IEEE J. Sel. Areas Commun. 13, 543–556 (1995).
[CrossRef]

IEEE Photonics Technol. Lett. (1)

S. P. Mazunder, R. Gangopadhay, E. Forestieri, and G. Prati, “Sensitivity penalty for AMI-coded,” IEEE Photonics Technol. Lett. 7, 1207–1209 (1995).

J. Lightwave Technol. (3)

D. T. Schaafsma, E. Miles, and E. M. Bradley, “Comparison of conventional and gain-clamped semiconductor optical amplifiers for wavelength-division-multiplexed transmission systems,” J. Lightwave Technol. 18, 922–925 (2000).
[CrossRef]

K. Emura, T. Ono, A. Noda, and S. Yamazaki, “Requirements for high-frequency LD FM response in an optical CPFSK heterodyne delay demodulation system,” J. Lightwave Technol. 9, 1602–1608 (1991).
[CrossRef]

K. Iwashita and T. Matsumoto, “Modulation and detection characteristics of optical continuous phase FSK,” J. Lightwave Technol. 5, 452–460 (1987).
[CrossRef]

Other (1)

B. Wedding, R. Jung, C. Haslach, and H. Söhnle, “10.7 Gbit/s FSK transmission with 61 dB power budget,” Proceedings of ECOC2003, Vol. 4, paper Th1.5.5 (21–25 Sep. 2003).

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Figures (6)

Fig. 1.
Fig. 1.

Spectra of an uncoded PRBS (solid line) and of a 8B10B coded PRBS (dashed line): the 8B10B coded sequence shows reduced levels at low frequencies.

Fig. 2.
Fig. 2.

Experimental set-up for BER vs. OSNR measurements using the noise loading technique.

Fig. 3.
Fig. 3.

Experimental results: BER vs. OSNR in back-to-back condition using Vpp=1.5 V. Comparison between PRBSs of different length and a 8B10B 220-1 coded sequence.

Fig. 4.
Fig. 4.

Sensitivity vs. modulation signal amplitude (Vpp). Comparison between measurements, carried out with a 27-1 PRBS sequence and a 8B10B 220-1 coded one, and simulation.

Fig. 5.
Fig. 5.

Sensitivity vs. link length, using SMF fiber with D=17 ps/nm/km. Comparison between experimental results obtained using the 8B10B 220-1 coding and simulation.

Fig. 6.
Fig. 6.

Eye diagrams measured at BER=10-6 when using the 8B10B coding with optimum driving voltage Vpp=1.5V. Top: L=0 km. Bottom: L=63 km. Time base scale: 20 ps/div. Amplitude scale: 35 mV/div.

Metrics