Spatial rogue waves in the actively Q-switched Nd:YAG laser under low Kerr nonlinearity

Roza Navitskaya; Ihar Stashkevich; Stanislav Derevyanko; Alina Karabchevsky

doi:10.1364/OE.470219

Spatial rogue waves in the actively Q-switched Nd:YAG laser under low Kerr nonlinearity

Roza Navitskaya, Ihar Stashkevich, Stanislav Derevyanko, Alina Karabchevsky

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

Abstract

We report the generation of spatial rogue waves in an actively Q-switched Nd:YAG laser. We observed that spatial rogue waves can emerge when the laser operates in a low-power regime below the self-focusing limit, while the lasing takes place at a large number of high-order transverse modes. These results suggest that the main mechanism leading to rogue waves generation is the modal overlap while large Kerr nonlinearity in the cavity is not a necessary factor in the process of spatial rogue waves formation. We have also investigated the spatio-temporal and coherence properties of the observed rogue waves.

Original language	English
Pages (from-to)	37076-37084
Number of pages	9
Journal	Optics Express
Volume	30
Issue number	20
DOIs	https://doi.org/10.1364/OE.470219
State	Published - 26 Sep 2022

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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title = "Spatial rogue waves in the actively Q-switched Nd:YAG laser under low Kerr nonlinearity",

abstract = "We report the generation of spatial rogue waves in an actively Q-switched Nd:YAG laser. We observed that spatial rogue waves can emerge when the laser operates in a low-power regime below the self-focusing limit, while the lasing takes place at a large number of high-order transverse modes. These results suggest that the main mechanism leading to rogue waves generation is the modal overlap while large Kerr nonlinearity in the cavity is not a necessary factor in the process of spatial rogue waves formation. We have also investigated the spatio-temporal and coherence properties of the observed rogue waves.",

author = "Roza Navitskaya and Ihar Stashkevich and Stanislav Derevyanko and Alina Karabchevsky",

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AU - Derevyanko, Stanislav

AU - Karabchevsky, Alina

PY - 2022/9/26

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AB - We report the generation of spatial rogue waves in an actively Q-switched Nd:YAG laser. We observed that spatial rogue waves can emerge when the laser operates in a low-power regime below the self-focusing limit, while the lasing takes place at a large number of high-order transverse modes. These results suggest that the main mechanism leading to rogue waves generation is the modal overlap while large Kerr nonlinearity in the cavity is not a necessary factor in the process of spatial rogue waves formation. We have also investigated the spatio-temporal and coherence properties of the observed rogue waves.

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Spatial rogue waves in the actively Q-switched Nd:YAG laser under low Kerr nonlinearity

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