In-band Perturbation based OSNR Estimation
F.J. Vaquero-Caballero, D. Charlton, M.E. Mousa-Pasandi, D.J. Ives, C., Laperle, M. Hubbard, M. Reimer, M. OSullivan, S.J. Savory
TL;DR
This paper introduces a novel in-band perturbation method for estimating optical signal-to-noise ratio (OSNR) in single-channel amplified links by modeling perturbed spectra and separating noise components.
Contribution
It presents a new approach using in-band perturbations and least mean square fitting to accurately estimate OSNR, achieving low standard deviation.
Findings
OSNR estimation with 0.16 dB standard deviation
Effective separation of nonlinear noise from ASE noise
Applicable to single-channel amplified optical links
Abstract
Perturbed spectra are modelled to estimate OSNR for a single channel amplified link. Perturbation-dependent nonlinear noise is separated from constant ASE noise using a set of propagated perturbed spectra. A least mean square fitting is used to estimate OSNR with standard deviation of 0.16 dB.
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Taxonomy
TopicsRadio Frequency Integrated Circuit Design · Advanced Photonic Communication Systems · Advanced Power Amplifier Design