Effective super-bandwidth in laser pulses

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

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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); arXiv:2106.09192 (2021)]. 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.

Original languageEnglish
Pages (from-to)4761-4764
Number of pages4
JournalOptics Letters
Volume46
Issue number19
DOIs
StatePublished - 1 Oct 2021

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