Mitigation of laser nonlinearity and channel ISI simultaneously by using nonlinear equalization for 4-ASK signaling in MMF links

Chunmin Xia; Werner Rosenkranz

doi:10.1117/12.634834

8 December 2005 Mitigation of laser nonlinearity and channel ISI simultaneously by using nonlinear equalization for 4-ASK signaling in MMF links

Chunmin Xia, Werner Rosenkranz

Author Affiliations +

Proceedings Volume 6021, Optical Transmission, Switching, and Subsystems III; 60211B (2005) https://doi.org/10.1117/12.634834
Event: Asia-Pacific Optical Communications, 2005, Shanghai, China

Abstract

Multilevel intensity modulation such as 4-ASK signalling can reduce the bandwidth requirement in multimode fiber (MMF) links. However, 4-ASK signalling is susceptible to the laser nonlinearity. In addition, even with 4-ASK signalling, the maximum transmission distance over installed MMF is still limited by differential mode delay (DMD) to less than 300m for 10GE. We propose and demonstrate that directly modulated laser nonlinearity and modal dispersion resulting from DMD can be eliminated simultaneously by using a nonlinear electrical equalizer for 4-ASK signalling in high-speed MMF short links.

Citation Download Citation

Chunmin Xia and Werner Rosenkranz "Mitigation of laser nonlinearity and channel ISI simultaneously by using nonlinear equalization for 4-ASK signaling in MMF links", Proc. SPIE 6021, Optical Transmission, Switching, and Subsystems III, 60211B (8 December 2005); https://doi.org/10.1117/12.634834

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