Please use this identifier to cite or link to this item: https://doi.org/10.1364/OE.26.014817
Title: Enhanced adaptive DA-ML carrier phase estimator and its application to accurate laser linewidth and snr estimation
Authors: Li, Y. 
Song, T. 
Gurusamy, M. 
Yu, C.
Kam, P.-Y. 
Issue Date: 2018
Publisher: OSA - The Optical Society
Citation: Li, Y., Song, T., Gurusamy, M., Yu, C., Kam, P.-Y. (2018). Enhanced adaptive DA-ML carrier phase estimator and its application to accurate laser linewidth and snr estimation. Optics Express 26 (12) : 14817-14831. ScholarBank@NUS Repository. https://doi.org/10.1364/OE.26.014817
Rights: Attribution 4.0 International
Abstract: We proposed a novel adaptive carrier phase estimator based on the phase information of the received signal only. Through eliminating the perturbation due to the amplitude of the AWGN, the proposed method outperforms the conventional adaptive filter in terms of both the carrier phase estimation and the filter gain tracking. Additionally, a dynamic tracking of both the laser linewidth and SNR is derived based on the proposed carrier phase estimator which requires no prior knowledge of the channel parameters. Numerical simulations and experiments are conducted to verify its feasibility in real applications. © 2018 Optical Society of America.
Source Title: Optics Express
URI: https://scholarbank.nus.edu.sg/handle/10635/210876
ISSN: 10944087
DOI: 10.1364/OE.26.014817
Rights: Attribution 4.0 International
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