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Kvantovaya Elektronika, 2020, Volume 50, Number 4, Pages 361–365 (Mi qe17232)  

Extreme light fields and their interaction with matter

Self-compression of laser pulses in a discrete medium

A. O. Sofonov, V. A. Mironov

Federal Research Center The Institute of Applied Physics of the Russian Academy of Sciences, Nizhny Novgorod
References:
Abstract: Using the discrete nonlinear Schrödinger equation, we study the laser radiation self-action dynamics in a nanostructured waveguide system. It is shown that for a laser pulse energy exceeding the critical value, the nonlinear evolution of the wave field markedly differs from the corresponding process in a continuous medium. While the pulse propagates in a discrete medium, its length decreases to values comparable to the scale of the structure and the velocity decreases to zero. The system parameters are determined at which the wave field after the laser pulse termination begins to propagate in the opposite direction in a compressed form. The process of slowing down and stopping the pulse is accompanied by strong radiation losses, so that about a third of the energy of the initial field distribution remains in the final compressed state.
Keywords: self-compression, nanostructured waveguide medium, laser pulses.
Received: 17.02.2020
English version:
Quantum Electronics, 2020, Volume 50, Issue 4, Pages 361–365
DOI: https://doi.org/10.1070/QEL17280
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Document Type: Article
Language: Russian


Citation: A. O. Sofonov, V. A. Mironov, “Self-compression of laser pulses in a discrete medium”, Kvantovaya Elektronika, 50:4 (2020), 361–365 [Quantum Electron., 50:4 (2020), 361–365]
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  • https://www.mathnet.ru/eng/qe/v50/i4/p361
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