Efficient generation of third harmonic radiation in air filaments: A revisit

Yi Liu; Magali Durand; Aurélien Houard; Benjamin Forestier; Arnaud Couairon; André Mysyrowicz

doi:10.1016/j.optcom.2011.05.050

Efficient generation of third harmonic radiation in air filaments: A revisit

Yi Liu
, Magali Durand
, Aurélien Houard
, Benjamin Forestier
, Arnaud Couairon
, André Mysyrowicz

Laboratory d'Optique Appliquée, ENSTA, CNRS-École Polytechnique
ONERA Office National d'Etudes et Recherches Aerospatiales

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

Abstract

In this paper we revisit the third harmonic generation from a femtosecond laser filament in air and its significant enhancement (~ 100 times) with a intercepting pump pulse, which has been reported very recently. The enhanced third harmonic is studied as a function of the pulse polarization, time delay between the pump and signal pulses, laser pulse energy, etc. We provide an explanation for the enhancement of third harmonic based on a quenching of interference effects present near filamentation threshold. Simulations based on a two-color propagation code reproduce well the experimental observations and confirm our interpretation.

Original language	English
Pages (from-to)	4706-4713
Number of pages	8
Journal	Optics Communications
Volume	284
Issue number	19
DOIs	https://doi.org/10.1016/j.optcom.2011.05.050
Publication status	Published - 1 Sept 2011

Keywords

Femtosecond filament
Femtosecond pulse
Third harmonic generation

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10.1016/j.optcom.2011.05.050

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title = "Efficient generation of third harmonic radiation in air filaments: A revisit",

abstract = "In this paper we revisit the third harmonic generation from a femtosecond laser filament in air and its significant enhancement (\textasciitilde{} 100 times) with a intercepting pump pulse, which has been reported very recently. The enhanced third harmonic is studied as a function of the pulse polarization, time delay between the pump and signal pulses, laser pulse energy, etc. We provide an explanation for the enhancement of third harmonic based on a quenching of interference effects present near filamentation threshold. Simulations based on a two-color propagation code reproduce well the experimental observations and confirm our interpretation.",

keywords = "Femtosecond filament, Femtosecond pulse, Third harmonic generation",

author = "Yi Liu and Magali Durand and Aur{\'e}lien Houard and Benjamin Forestier and Arnaud Couairon and Andr{\'e} Mysyrowicz",

year = "2011",

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day = "1",

doi = "10.1016/j.optcom.2011.05.050",

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journal = "Optics Communications",

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TY - JOUR

T1 - Efficient generation of third harmonic radiation in air filaments

T2 - A revisit

AU - Liu, Yi

AU - Durand, Magali

AU - Houard, Aurélien

AU - Forestier, Benjamin

AU - Couairon, Arnaud

AU - Mysyrowicz, André

PY - 2011/9/1

Y1 - 2011/9/1

N2 - In this paper we revisit the third harmonic generation from a femtosecond laser filament in air and its significant enhancement (~ 100 times) with a intercepting pump pulse, which has been reported very recently. The enhanced third harmonic is studied as a function of the pulse polarization, time delay between the pump and signal pulses, laser pulse energy, etc. We provide an explanation for the enhancement of third harmonic based on a quenching of interference effects present near filamentation threshold. Simulations based on a two-color propagation code reproduce well the experimental observations and confirm our interpretation.

AB - In this paper we revisit the third harmonic generation from a femtosecond laser filament in air and its significant enhancement (~ 100 times) with a intercepting pump pulse, which has been reported very recently. The enhanced third harmonic is studied as a function of the pulse polarization, time delay between the pump and signal pulses, laser pulse energy, etc. We provide an explanation for the enhancement of third harmonic based on a quenching of interference effects present near filamentation threshold. Simulations based on a two-color propagation code reproduce well the experimental observations and confirm our interpretation.

KW - Femtosecond filament

KW - Femtosecond pulse

KW - Third harmonic generation

U2 - 10.1016/j.optcom.2011.05.050

DO - 10.1016/j.optcom.2011.05.050

M3 - Article

AN - SCOPUS:80051551248

SN - 0030-4018

VL - 284

SP - 4706

EP - 4713

JO - Optics Communications

JF - Optics Communications

IS - 19

ER -

Efficient generation of third harmonic radiation in air filaments: A revisit

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Keywords

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