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Type: Artigo
Title: Laser Linewidth And Phase Noise Evaluation Using Heterodyne Offline Signal Processing
Author: Sutili
Tiago; Figueiredo
Rafael C.; Conforti
Abstract: A simple heterodyne scheme with digital data acquisition and offline signal processing is introduced to obtain phase noise spectra and linewidths of monomode lasers. The data are analyzed using time-domain memorized signals, enabling the evaluation of parameters such as coherence time, phase noise, laser linewidth as a function of bias current, and the identification of points where loss of coherence occurs. Results are presented for lasers with linewidths from 20 kHz up to 2 MHz.
Subject: Frequency Estimation
Laser Noise
Optical Signal Processing
Phase Estimation
Phase Noise
Semiconductor Lasers
Editor: Ieee-Inst Electrical Electronics Engineers Inc
Citation: Journal Of Lightwave Technology. Ieee-inst Electrical Electronics Engineers Inc , v. 34, p. 4933 - 4940, 2016.
Rights: fechado
Identifier DOI: 10.1109/JLT.2016.2597217
Date Issue: 2016
Appears in Collections:Unicamp - Artigos e Outros Documentos

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