Progressive Self-Boosting Anapole-Enhanced Deep-Ultraviolet Third Harmonic during Few-Cycle Laser Radiation

Liping Shi; Andrey B. Evlyukhin; Carsten Reinhardt; Ihar Babushkin; Vladimir A. Zenin; Sven Burger; Radu Malureanu; Boris N. Chichkov; Uwe Morgner; Milutin Kovacev

doi:10.1021/acsphotonics.0c00753

Progressive Self-Boosting Anapole-Enhanced Deep-Ultraviolet Third Harmonic during Few-Cycle Laser Radiation

Liping Shi^*, Andrey B. Evlyukhin^*, Carsten Reinhardt, Ihar Babushkin, Vladimir A. Zenin, Sven Burger, Radu Malureanu, Boris N. Chichkov, Uwe Morgner, Milutin Kovacev

^*Corresponding author for this work

National Centre for Nano Fabrication and Characterization

Research output: Contribution to journal › Journal article › Research › peer-review

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Abstract

Nanoantennas made of high-index semiconductors with a strong nonlinearity and supported optical Mie-type resonances offer a promising alternative platform for nonlinear nanophotonics. In this Letter, we employ an array of amorphous silicon nanodisks with varying diameters to produce a broadband deep-ultraviolet third harmonic of a few-cycle Ti:sapphire oscillator. Ultrashort light pulses efficiently deposit their energy at the center of the disks where the electric field is strongly amplified by the anapole states. This leads to a progressive material modification in an extreme multishot (>1010 pulses) and a rather low fluence (

Original language	English
Journal	ACS Photonics
Volume	7
Issue number	7
Pages (from-to)	1655-1661
ISSN	2330-4022
DOIs	https://doi.org/10.1021/acsphotonics.0c00753
Publication status	Published - 2020

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10.1021/acsphotonics.0c00753

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title = "Progressive Self-Boosting Anapole-Enhanced Deep-Ultraviolet Third Harmonic during Few-Cycle Laser Radiation",

abstract = "Nanoantennas made of high-index semiconductors with a strong nonlinearity and supported optical Mie-type resonances offer a promising alternative platform for nonlinear nanophotonics. In this Letter, we employ an array of amorphous silicon nanodisks with varying diameters to produce a broadband deep-ultraviolet third harmonic of a few-cycle Ti:sapphire oscillator. Ultrashort light pulses efficiently deposit their energy at the center of the disks where the electric field is strongly amplified by the anapole states. This leads to a progressive material modification in an extreme multishot (>1010 pulses) and a rather low fluence (",

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AU - Shi, Liping

AU - Evlyukhin, Andrey B.

AU - Reinhardt, Carsten

AU - Babushkin, Ihar

AU - Zenin, Vladimir A.

AU - Burger, Sven

AU - Malureanu, Radu

AU - Chichkov, Boris N.

AU - Morgner, Uwe

AU - Kovacev, Milutin

PY - 2020

Y1 - 2020

N2 - Nanoantennas made of high-index semiconductors with a strong nonlinearity and supported optical Mie-type resonances offer a promising alternative platform for nonlinear nanophotonics. In this Letter, we employ an array of amorphous silicon nanodisks with varying diameters to produce a broadband deep-ultraviolet third harmonic of a few-cycle Ti:sapphire oscillator. Ultrashort light pulses efficiently deposit their energy at the center of the disks where the electric field is strongly amplified by the anapole states. This leads to a progressive material modification in an extreme multishot (>1010 pulses) and a rather low fluence (

AB - Nanoantennas made of high-index semiconductors with a strong nonlinearity and supported optical Mie-type resonances offer a promising alternative platform for nonlinear nanophotonics. In this Letter, we employ an array of amorphous silicon nanodisks with varying diameters to produce a broadband deep-ultraviolet third harmonic of a few-cycle Ti:sapphire oscillator. Ultrashort light pulses efficiently deposit their energy at the center of the disks where the electric field is strongly amplified by the anapole states. This leads to a progressive material modification in an extreme multishot (>1010 pulses) and a rather low fluence (

U2 - 10.1021/acsphotonics.0c00753

DO - 10.1021/acsphotonics.0c00753

M3 - Journal article

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EP - 1661

JO - ACS Photonics

JF - ACS Photonics

IS - 7

ER -

Progressive Self-Boosting Anapole-Enhanced Deep-Ultraviolet Third Harmonic during Few-Cycle Laser Radiation

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