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Effective super-bandwidth in laser pulses

Enrique G. Neyra, Demian A. Biasetti, Pablo Vaveliuk, Gustavo A. Torchia, Marcelo F. Ciappina, Fabian Videla, and Lorena Rebón

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Abstract

We present here a theoretical analysis of the interaction between an ideal two-level quantum system and a super-oscillatory pulse, like the one proposed and successfully synthesized in J. Opt. 23, 075604 (2021) [CrossRef]  . As a prominent feature, these pulses present a high efficiency of the central super-oscillatory region in relation to unavoidable sidelobes. Our study shows an increase in the effective bandwidth of the pulse in the super-oscillatory region, and not only the appearance of a local frequency higher than its highest Fourier-frequency component, as in the usual description of the phenomenon of super-oscillations. Beyond introducing the concept of effective super-bandwidth, the presented results could be relevant for experimental applications and opening new perspectives for laser–matter interaction.

© 2021 Optical Society of America

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Corrections

8 November 2021: A typographical correction was made to the abstract.

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Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the authors upon reasonable request.

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