## Deterministic Nonlinear Transformations of Phase Noise in Quantum-Limited Frequency Combs

2019
290876
Journal article
Published
##### Published in
Physical Review Letters ; 122 (2019), 20. - 203902. - ISSN 0031-9007. - eISSN 1079-7114
##### Abstract
Optical phase noise of femtosecond lasers is analyzed over various steps of broadband nonlinear frequency conversion. The intrinsic phase jitter of our system originates from quantum statistics in the mode-locked oscillator. Supercontinuum generation by four-wave-mixing processes preserves a noise minimum at the optical carrier frequency. From there, a quadratic increase of the comb linewidth results with mutually anticorrelated phase fluctuations of both spectral wings. Passive phase locking by difference frequency generation strongly enhances the optical phase noise to a level equaling the carrier-envelope phase jitter of the fundamental comb. The same value results from quadratic extrapolation of the optical phase noise to radio frequencies. Our findings are consistent with a fully deterministic transformation of phase noise according to the elastic tape model.
530 Physics
##### Cite This
ISO 690LIEHL, Andreas, Philipp SULZER, David FEHRENBACHER, Tobias RYBKA, Denis V. SELETSKIY, Alfred LEITENSTORFER, 2019. Deterministic Nonlinear Transformations of Phase Noise in Quantum-Limited Frequency Combs. In: Physical Review Letters. 122(20), 203902. ISSN 0031-9007. eISSN 1079-7114. Available under: doi: 10.1103/PhysRevLett.122.203902
BibTex
@article{Liehl2019-05-24Deter-46047,
year={2019},
doi={10.1103/PhysRevLett.122.203902},
title={Deterministic Nonlinear Transformations of Phase Noise in Quantum-Limited Frequency Combs},
number={20},
volume={122},
issn={0031-9007},
journal={Physical Review Letters},
author={Liehl, Andreas and Sulzer, Philipp and Fehrenbacher, David and Rybka, Tobias and Seletskiy, Denis V. and Leitenstorfer, Alfred},
note={Article Number: 203902}
}

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<dcterms:abstract xml:lang="eng">Optical phase noise of femtosecond lasers is analyzed over various steps of broadband nonlinear frequency conversion. The intrinsic phase jitter of our system originates from quantum statistics in the mode-locked oscillator. Supercontinuum generation by four-wave-mixing processes preserves a noise minimum at the optical carrier frequency. From there, a quadratic increase of the comb linewidth results with mutually anticorrelated phase fluctuations of both spectral wings. Passive phase locking by difference frequency generation strongly enhances the optical phase noise to a level equaling the carrier-envelope phase jitter of the fundamental comb. The same value results from quadratic extrapolation of the optical phase noise to radio frequencies. Our findings are consistent with a fully deterministic transformation of phase noise according to the elastic tape model.</dcterms:abstract>
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Yes