Comparison of various dispersion-compensation techniques in a cable television system

Various dispersion-compensation techniques are compared on the basis of eye opening, eye closure, bit error rate, and Q-factor. The techniques that use dispersion-compensating fiber, fiber Bragg gratings (FBG), optical phase conjugators (OPC), negative dispersion fiber (NDF), and reverse dispersion fiber (RDF) for dispersion compensation are compared. The NDF technique is more attractive for long-distance cable television (CATV) systems as this technique gives better eye opening, eye closure, bit error rate, and Q-factor characteristics than any other technique. The RDF technique is the next-best technique. The FBG technique is attractive only at a 120 km transmission distance in CATV systems. The OPC technique is not recommended for long-distance CATV transmission systems.

[1]  René-Jean Essiambre,et al.  Optical phase conjugation and pseudolinear transmission. , 2004, Optics letters.

[2]  C. Gu,et al.  Strong phase-controlled fiber Bragg gratings for dispersion compensation. , 2003, Optics letters.

[3]  Raman Kashyap,et al.  40 Gbit/s field trial over 180 km of standard fibre using mid-span spectral inversion for dispersion compensation , 1999 .

[4]  I. Tomkos,et al.  10-Gb/s transmission of 1.55-μm directly modulated signal over 100 km of negative dispersion fiber , 2001, IEEE Photonics Technology Letters.

[5]  Z. Wu,et al.  Suppressing modulation instability in midway optical phase conjugation systems by using dispersion compensation , 2005 .

[6]  A. Cartaxo,et al.  Directly modulated laser parameters optimization for metropolitan area networks utilizing negative dispersion fibers , 2003 .

[7]  Chien-Yu Kuo,et al.  Nonlinear intermodulation distortion in an optically amplified analog video transport system with dispersion compensating fiber , 1996, Proceedings of European Conference on Optical Communication.

[8]  H.S. Chung,et al.  Directly modulated 10-gb/s signal transmission over 320 km of negative dispersion fiber for regional metro network , 2003, IEEE Photonics Technology Letters.

[9]  Hai-Han Lu.  Performance comparison between DCF and RDF dispersion compensation in fiber optical CATV systems , 2002, IEEE Trans. Broadcast..

[10]  Hai-Han Lu,et al.  Dispersion compensation in externally modulated transport system using chirped fiber grating as well as large effective area fiber , 2001 .