Abstract

An analytical tool is presented in order to analyze and elucidate the impact of the optical filter position and steepness on eye opening in an optical vestigial sideband system with direct detection. It is shown that bit sequences containing solitarities (i.e., bit sequences containing single bits surrounded by several bits of opposite kind) are the major bit sequences to cause eye closure. In comparison with double-sideband modulation format,an eye opening penalty of 3-6 dB can be achieved with vestigial sideband format. The analytical tool helps to understand the interrelation between the bit sequence properties and the optical filter parameters.

© 2004 IEEE

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  12. [Online]. Available: http://www.virtualphotonics.com

J. Lightwave Technol. (4)

Other (8)

M. Suzuki, T. Tsuritani and N. Edagawa, "Multi-terabit long haul DWDM transmission with VSB-RZ format", IEEE LEOS Newslett., pp. 26-28, 2001.

S. Bigo, A. Bertaina, Y. Frignac, S. Borne, L. Lorcy, D. Hamoir, D. Bayart, J.-P. Hamaide, W. Idler, E. Lach, B. Franz, G. Veith, P. Sillard, L. Fleury, P. Guénot and P. Nouchi, "5.12 Tbit/s (128 × 40 Gbit/s WDM) transmission over 3 × 100 km of teralight fiber", in ECOC, 2000.

Y. Yamada, S.-I. Nakagawa, Y. Kurosawa, T. Kawazawa, H. Taga and K. Goto, "2 Tbit/s (200 × 10 Gbit/s) over 9240 km transmission experiment with 0.15 nm channel spacing using VSB format", Electron. Lett., vol. 38, no. 7, pp. 328-330, 2002.

T. Tsuritani, A. Agata, I. Morita, K. Tanaka and N. Edagawa, "Performance comparison between DSB and VSB signals in 20 Gbit/s-based ultra-long-haul WDM systems", in OFC, 2001, pp. MM5-1-MM5-3.

M. W. Chbat and D. Penninckx, "High-spectral-efficiency transmission systems", in OFC, vol. 1, 2000, pp. 134 -136.

H. Kim and A. H. Gnauck, "10 Gbit/s 177 km transmission over conventional singlemode fiber using vestigial side-band modulation format", Electron. Lett., vol. 37, no. 25, 2001.

R. Ziemer and W. Tranter, Principles of Communications, 5th ed. New York: Wiley, 2002.

[Online]. Available: http://www.virtualphotonics.com

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