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Updated: Jun 10, 2026

Quasi-light Storage for Optical Data Packets
Published on: February 6, 2014
Equalization-enhanced phase noise for 100 Gb/s transmission and beyond with coherent detection
Alan Pak Tao Lau1, Thomas Shun Rong Shen, William Shieh
1Department of Electrical Engineering, The Hong Kong Polytechnic University, Photonics Research Center, Hung Hom, Kowloon, Hong Kong. eeaptlau@polyu.edu.hk
Abstract:
The probability density function and impact of equalizationenhanced phase noise (EEPN) is analytically investigated and simulated for 100 Gb/s coherent systems using electronic dispersion compensation. EEPN impairment induces both phase noise and amplitude noise with the former twice as much as the latter. The effects of transmitter phase noise on EEPN are negligible for links with residual dispersion in excess of 700 ps/nm. Optimal linear equalizer in the presence of EEPN is derived but show only marginal performance improvement, indicating that EEPN is difficult to mitigate using simple DSP techniques. In addition, the effects of EEPN on carrier recovery techniques and corresponding cycle slip probabilities are studied.
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