Scientific Results

Analytic random-walk model for the coherence of a frequency comb

Year: 2018

Authors: Eramo R., Cancio Pastor P., Cavalieri S.

Autors Affiliation: European Laboratory for Non-Linear Spectroscopy (LENS), Via N. Carrara 1, I-50019 Sesto Fiorentino, Firenze, Italy; Dipartimento di Fisica e Astronomia, Università di Firenze, Via G. Sansone 1, I-50019 Sesto Fiorentino, Firenze, Italy; Istituto Nazionale di Ottica (INO-CNR), Largo E. Fermi 6, I-50125 Firenze, Italy

Abstract: We present an analytical study of the frequency comb coherence due to random noise in the pulses phases. We derive a simple expression for the comb lineshape, which depends on a single parameter Neff with the physical meaning of number of coherent comb pulses, inversely proportional to the variance of the phase jumps between subsequent comb pulses. A comparison to the case of a cw-monomode laser with white noise frequency fluctuations is also presented.

Journal/Review: PHYSICAL REVIEW A

Volume: 97 (3)      Pages from: 033842-1  to: 033842-7

KeyWords: Analytical studies; Frequency combs; Noise frequencies; Physical meanings; Random noise; Random walk modeling; Simple expression; Single parameter, White noise
DOI: 10.1103/PhysRevA.97.033842

Citations: 2
data from “WEB OF SCIENCE” (of Thomson Reuters) are update at: 2021-10-17
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