Third harmonic generation from perturbed femtosecond filaments in air

Yi Liu; Magali Durand; Yohann Brelet; Amélie Jarnac; Benjamin Forestier; Aurélien Houard; Arnaud Couairon; André Mysyrowicz

doi:10.1007/978-3-319-00521-8_6

Third harmonic generation from perturbed femtosecond filaments in air

Yi Liu
, Magali Durand
, Yohann Brelet
, Amélie Jarnac
, Benjamin Forestier
, Aurélien Houard
, Arnaud Couairon
, André Mysyrowicz

Laboratory d'Optique Appliquée, ENSTA, CNRS-École Polytechnique

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

Abstract

We investigate third harmonic generation from femtosecond laser filaments. A two-order-of-magnitude enhancement of third harmonic light is observed when the (signal) filament is perturbed by a second laser (pump) filament. This enhancement is studied as function of laser polarization, time delay between the pump and signal filaments, the pump filament energy, etc. Based on these systematic results, we attribute the enhancement to a quenching of the interference effects of the third harmonic generated in the first and second half of the signal filament. Numerical simulations based on a two-color propagation model reproduce well the experimental observations and confirms our explanation.

Original language	English
Pages (from-to)	77-93
Number of pages	17
Journal	Springer Series in Chemical Physics
Volume	106
DOIs	https://doi.org/10.1007/978-3-319-00521-8_6
Publication status	Published - 1 Jan 2014

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10.1007/978-3-319-00521-8_6

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title = "Third harmonic generation from perturbed femtosecond filaments in air",

abstract = "We investigate third harmonic generation from femtosecond laser filaments. A two-order-of-magnitude enhancement of third harmonic light is observed when the (signal) filament is perturbed by a second laser (pump) filament. This enhancement is studied as function of laser polarization, time delay between the pump and signal filaments, the pump filament energy, etc. Based on these systematic results, we attribute the enhancement to a quenching of the interference effects of the third harmonic generated in the first and second half of the signal filament. Numerical simulations based on a two-color propagation model reproduce well the experimental observations and confirms our explanation.",

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

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T1 - Third harmonic generation from perturbed femtosecond filaments in air

AU - Liu, Yi

AU - Durand, Magali

AU - Brelet, Yohann

AU - Jarnac, Amélie

AU - Forestier, Benjamin

AU - Houard, Aurélien

AU - Couairon, Arnaud

AU - Mysyrowicz, André

PY - 2014/1/1

Y1 - 2014/1/1

N2 - We investigate third harmonic generation from femtosecond laser filaments. A two-order-of-magnitude enhancement of third harmonic light is observed when the (signal) filament is perturbed by a second laser (pump) filament. This enhancement is studied as function of laser polarization, time delay between the pump and signal filaments, the pump filament energy, etc. Based on these systematic results, we attribute the enhancement to a quenching of the interference effects of the third harmonic generated in the first and second half of the signal filament. Numerical simulations based on a two-color propagation model reproduce well the experimental observations and confirms our explanation.

AB - We investigate third harmonic generation from femtosecond laser filaments. A two-order-of-magnitude enhancement of third harmonic light is observed when the (signal) filament is perturbed by a second laser (pump) filament. This enhancement is studied as function of laser polarization, time delay between the pump and signal filaments, the pump filament energy, etc. Based on these systematic results, we attribute the enhancement to a quenching of the interference effects of the third harmonic generated in the first and second half of the signal filament. Numerical simulations based on a two-color propagation model reproduce well the experimental observations and confirms our explanation.

U2 - 10.1007/978-3-319-00521-8_6

DO - 10.1007/978-3-319-00521-8_6

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SN - 0172-6218

VL - 106

SP - 77

EP - 93

JO - Springer Series in Chemical Physics

JF - Springer Series in Chemical Physics

ER -

Third harmonic generation from perturbed femtosecond filaments in air

Abstract

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