Modulation instability and frequency-comb generation in hybrid quadratic-cubic resonators with spectral filtering

Minji Shi; Nicolas Englebert; François Leo; Dmitry V. Skryabin; Auro M. Perego

doi:10.1103/3byt-r77p

Modulation instability and frequency-comb generation in hybrid quadratic-cubic resonators with spectral filtering

Minji Shi, Nicolas Englebert, François Leo, Dmitry V. Skryabin, Auro M. Perego

Research output: Contribution to journal › Article › peer-review

Abstract

We present an analytical and numerical investigation into the phenomenon of filter-induced modulation instability in passive hybrid optical resonators exhibiting quadratic and cubic nonlinearity. We show that asymmetric spectral losses, with respect to the continuous-wave solution frequency, can trigger sideband amplification in the normal dispersion regime. We calculate the parametric gain and demonstrate the associated pattern formation process.We furthermore show how this parametric process can be exploited to generate optical frequency combs with a tunable repetition rate.

Original language	English
Article number	023522
Journal	Physical Review A
Volume	112
Issue number	2
DOIs	https://doi.org/10.1103/3byt-r77p
Publication status	Published - 28 Aug 2025

Data Availability Statement

The data that support the findings of this article are not publicly available upon publication because it is not technically feasible and/or the cost of preparing, depositing, and hosting the data would be prohibitive within the terms of this research project. The data are available from the authors upon reasonable request.

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1103/3byt-r77p

https://arxiv.org/abs/2509.06824Licence: CC BY

Cite this

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abstract = "We present an analytical and numerical investigation into the phenomenon of filter-induced modulation instability in passive hybrid optical resonators exhibiting quadratic and cubic nonlinearity. We show that asymmetric spectral losses, with respect to the continuous-wave solution frequency, can trigger sideband amplification in the normal dispersion regime. We calculate the parametric gain and demonstrate the associated pattern formation process.We furthermore show how this parametric process can be exploited to generate optical frequency combs with a tunable repetition rate.",

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AB - We present an analytical and numerical investigation into the phenomenon of filter-induced modulation instability in passive hybrid optical resonators exhibiting quadratic and cubic nonlinearity. We show that asymmetric spectral losses, with respect to the continuous-wave solution frequency, can trigger sideband amplification in the normal dispersion regime. We calculate the parametric gain and demonstrate the associated pattern formation process.We furthermore show how this parametric process can be exploited to generate optical frequency combs with a tunable repetition rate.

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Modulation instability and frequency-comb generation in hybrid quadratic-cubic resonators with spectral filtering

Abstract

Data Availability Statement

ASJC Scopus subject areas

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