Effective super-bandwidth in laser pulses

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

doi:10.1364/OL.434531

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

Physics

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

1 Scopus citations

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 language	English
Pages (from-to)	4761-4764
Number of pages	4
Journal	Optics Letters
Volume	46
Issue number	19
DOIs	https://doi.org/10.1364/OL.434531
State	Published - 1 Oct 2021

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title = "Effective super-bandwidth in laser pulses",

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.",

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T1 - Effective super-bandwidth in laser pulses

AU - Neyra, Enrique G.

AU - Biasetti, Demian A.

AU - Vaveliuk, Pablo

AU - Torchia, Gustavo A.

AU - Ciappina, Marcelo F.

AU - Videla, Fabian

AU - Rebón, Lorena

PY - 2021/10/1

Y1 - 2021/10/1

N2 - 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.

AB - 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.

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Effective super-bandwidth in laser pulses

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