Abstract

We examine the correlations between the parameters of ultra-narrow off-centred filtering and pulse width on the performance of a wavelength paired Nx40Gbit/s DWDM transmission, consisting of carrier suppressed return-to-zero signal with 0.64 bit/s/Hz (without polarization-division multiplexing) spectral efficiency.

© 2004 Optical Society of America

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References

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  1. S. Bigo and Y. Frignac, �??Multi-terabit/s WDM transmissions at 40GGbit/s channel rate�?? in Proceedings of European Conference on Optical Communication, (ECOC 2000), PD-1.2.
  2. S. Bigo, Y. Frignac et al, �??10.2 Tbit/s (256x40 Gbit/s PDM/WDM) transmission over 100km TeraLight fiber with 1.28 bit/s/Hz spectral efficiency�?? in Optical Fiber Communication Conference (Optical Society of America, Washington, D.C., 2001) paper PD-25, (OFC 2001).
  3. A. Hirano et al, �??A novel dispersion compensation scheme based on phase comparison between two SSB signals generated from a spectrally filtered CS-RZ signal�?? in Optical Fiber Communication Conference (Optical Society of America, Washington, D.C., USA, 2002) paper WE2 (OFC 2002)
    [CrossRef]
  4. I. Morita and N. Edagawa, �??Study on optimum OTDM signals for long-distance 40 Gbit/s transmission�?? in Optical Fiber Communication Conference, (Optical Society of America, Washington, D.C., 2002) paper TuA4 (OFC 2002).
    [CrossRef]
  5. T. Tsuritani, Morita, A. Agata, N. Edagawa, �??Study on Optimum Optical Pre-Filtering Condition for Highly Spectral-Efficient Ultralong-Haul Transmission Using 40Gbit/s CS-RZ Signal and All-Raman Repeaters�?? in Optical Fiber Communication Conference (Optical Society of America, Washington, D.C., 2003) paper FE4, (OFC 2003).
  6. I. Morita, K. Imai, N. Edagawa, T. Tsuritani, N. Yoshikane, A. Agata, �??100 % spectral-efficient 25 x 42.7 Gbit/s transmission using asymmetrically filtered CS-RZ signal and a novel crosstalk suppressor�?? in Proceedings of European Conference on Optical Communication (ECOC 2002, Copenhagen, Denmark), PD4-7.
  7. A. Agata et al, I. Morita, T. Tsuritani, N. Edagawa, �??Characteristics of Asymmetrically Filtered 40Gbit/s CS-RZ Signals�??, in Optical Fiber Communication Conference (Optical Society of America, Washington, D.C., 2003) paper MF78 (OFC 2003).

OFC (5)

S. Bigo, Y. Frignac et al, �??10.2 Tbit/s (256x40 Gbit/s PDM/WDM) transmission over 100km TeraLight fiber with 1.28 bit/s/Hz spectral efficiency�?? in Optical Fiber Communication Conference (Optical Society of America, Washington, D.C., 2001) paper PD-25, (OFC 2001).

A. Hirano et al, �??A novel dispersion compensation scheme based on phase comparison between two SSB signals generated from a spectrally filtered CS-RZ signal�?? in Optical Fiber Communication Conference (Optical Society of America, Washington, D.C., USA, 2002) paper WE2 (OFC 2002)
[CrossRef]

I. Morita and N. Edagawa, �??Study on optimum OTDM signals for long-distance 40 Gbit/s transmission�?? in Optical Fiber Communication Conference, (Optical Society of America, Washington, D.C., 2002) paper TuA4 (OFC 2002).
[CrossRef]

T. Tsuritani, Morita, A. Agata, N. Edagawa, �??Study on Optimum Optical Pre-Filtering Condition for Highly Spectral-Efficient Ultralong-Haul Transmission Using 40Gbit/s CS-RZ Signal and All-Raman Repeaters�?? in Optical Fiber Communication Conference (Optical Society of America, Washington, D.C., 2003) paper FE4, (OFC 2003).

A. Agata et al, I. Morita, T. Tsuritani, N. Edagawa, �??Characteristics of Asymmetrically Filtered 40Gbit/s CS-RZ Signals�??, in Optical Fiber Communication Conference (Optical Society of America, Washington, D.C., 2003) paper MF78 (OFC 2003).

Other (2)

S. Bigo and Y. Frignac, �??Multi-terabit/s WDM transmissions at 40GGbit/s channel rate�?? in Proceedings of European Conference on Optical Communication, (ECOC 2000), PD-1.2.

I. Morita, K. Imai, N. Edagawa, T. Tsuritani, N. Yoshikane, A. Agata, �??100 % spectral-efficient 25 x 42.7 Gbit/s transmission using asymmetrically filtered CS-RZ signal and a novel crosstalk suppressor�?? in Proceedings of European Conference on Optical Communication (ECOC 2002, Copenhagen, Denmark), PD4-7.

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Figures (5)

Fig. 1.
Fig. 1.

Channel spectra of CS-RZ signal before filtering (top); VSB filters (second from the top);Spectra after filtering (third from the top); Spectra after propagation over 600 km of TL/RTL (bottom).

Fig. 2.
Fig. 2.

3D volume plot of linear Q-factor in the space of system parameters (duty cycle, filter bandwidth BF and detuning Δν).

Fig. 3.
Fig. 3.

Contour plots of linear Q-factor illustrating the cross section of the best point, in the space of system parameters (duty cycle, filter bandwidth BF and detuning Δν).

Fig. 4.
Fig. 4.

Q-factor versus α/β parameter

Fig. 5.
Fig. 5.

Contour plot of the error-free transmission distance in the plane (duty cycle, input peak power).

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