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International Conference Laser Optics (ICLO)

Formation and Control of Ordered and Disordered Dynamic Microcavity Arrays via Colliding Single-Cycle Attosecond Pulses in Resonant Medium

R.M. Arkhipov, Mikhail V. Arkhipov, Nikolay N. Rosanov

Published Jun 1, 2026• 0 citations
Publisher
DOI
10.1109/iclo69056.2026.11624549

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The coherent interaction of extremely short light pulses with a resonant medium can result in the formation of population difference gratings. Such gratings have been created by pulses that are π/2 or smaller. This paper demonstrates that a microcavity with Bragg-like mirrors can be formed by colliding two single-cycle attosecond self-induced transparency pulses in the center of a two-level medium. The parameters of this structure can be quickly adjusted by increasing the number of collisions, which showcases the ability to control the dynamic properties of the medium on a sub-cycle time scale by using attosecond pulses.

arXiv:2402.09302•Optics Letters•Apr 8, 2024•14 citations
Abstract The paper presents the first study of the formation of disordered arrays of dynamic microcavities under four-pulse excitation of a two-level resonant medium by a train of single-cycle attosecond pulses. The pulses act on the medium similarly to 2π pulses of self-induced transparency. It is shown that multiple pulse collisions in different regions of the medium result in the formation of localized dynamic structures arranged in a disordered manner. The properties of these structures can be rapidly modified by controlling the time delays between the pulses. The results open up new possibilities for research in the field of disordered media, where localization of light and control of dynamic structures are of particular interest.
The coherent interaction of extremely short light pulses with a resonant medium can result in the formation of population difference gratings. Such gratings have been created by pulses that are π/2 or smaller. This paper demonstrates that a microcavity with Bragg-like mirrors can be formed by colliding two single-cycle attosecond self-induced transparency pulses in the center of a two-level medium. The parameters of this structure can be quickly adjusted by increasing the number of collisions, which showcases the ability to control the dynamic properties of the medium on a sub-cycle time scale by using attosecond pulses.