Spectrally resolved wave-mixing between near- and far-infrared pulses in gas

M Clerici; D Faccio; L Caspani; M Peccianti; O Yaakobi; B E Schmidt; M Shalaby; F Vidal; F Légaré; T Ozaki; R Morandotti

doi:10.1088/1367-2630/15/12/125011

Spectrally resolved wave-mixing between near- and far-infrared pulses in gas

M Clerici, D Faccio, L Caspani, M Peccianti, O Yaakobi, B E Schmidt, M Shalaby, F Vidal, F Légaré, T Ozaki, R Morandotti

Institute Of Photonics

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Abstract

We investigate the nonlinear wave-mixing in gases between intense, short optical pulses and long-wavelength fields (mid infrared and terahertz). We show numerically that the beating between the sum- and difference-frequency generation components can be isolated in the spectrogram of the interaction, and can be used to sample the electric field oscillations of the long-wavelength pulses. This, in turn, could be employed as a possible characterization method that provides information on the real electric field amplitude. Our numerical model is supported by spectrally resolved measurements of the four-wave mixing signals obtained from the interaction of intense, single-cycle terahertz fields (λ > 15 μm) and optical pulses (λ ≃ 800 nm, 50 fs duration) in air.

Original language	English
Article number	125011
Number of pages	13
Journal	New Journal of Physics
Volume	15
DOIs	https://doi.org/10.1088/1367-2630/15/12/125011
Publication status	Published - 9 Dec 2013

Keywords

characterization methods
difference-frequency generation
electric field oscillations
electric-field amplitude
long wavelength
measurements
short optical pulse
terahertz fields

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Clerici-etal-NJP2013-Spectrally-resolved-wave-mixing-between-nearFinal published version, 2.27 MBLicence: CC BY 3.0

Cite this

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title = "Spectrally resolved wave-mixing between near- and far-infrared pulses in gas",

abstract = "We investigate the nonlinear wave-mixing in gases between intense, short optical pulses and long-wavelength fields (mid infrared and terahertz). We show numerically that the beating between the sum- and difference-frequency generation components can be isolated in the spectrogram of the interaction, and can be used to sample the electric field oscillations of the long-wavelength pulses. This, in turn, could be employed as a possible characterization method that provides information on the real electric field amplitude. Our numerical model is supported by spectrally resolved measurements of the four-wave mixing signals obtained from the interaction of intense, single-cycle terahertz fields (λ > 15 μm) and optical pulses (λ ≃ 800 nm, 50 fs duration) in air.",

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T1 - Spectrally resolved wave-mixing between near- and far-infrared pulses in gas

AU - Clerici, M

AU - Faccio, D

AU - Caspani, L

AU - Peccianti, M

AU - Yaakobi, O

AU - Schmidt, B E

AU - Shalaby, M

AU - Vidal, F

AU - Légaré, F

AU - Ozaki, T

AU - Morandotti, R

PY - 2013/12/9

Y1 - 2013/12/9

N2 - We investigate the nonlinear wave-mixing in gases between intense, short optical pulses and long-wavelength fields (mid infrared and terahertz). We show numerically that the beating between the sum- and difference-frequency generation components can be isolated in the spectrogram of the interaction, and can be used to sample the electric field oscillations of the long-wavelength pulses. This, in turn, could be employed as a possible characterization method that provides information on the real electric field amplitude. Our numerical model is supported by spectrally resolved measurements of the four-wave mixing signals obtained from the interaction of intense, single-cycle terahertz fields (λ > 15 μm) and optical pulses (λ ≃ 800 nm, 50 fs duration) in air.

AB - We investigate the nonlinear wave-mixing in gases between intense, short optical pulses and long-wavelength fields (mid infrared and terahertz). We show numerically that the beating between the sum- and difference-frequency generation components can be isolated in the spectrogram of the interaction, and can be used to sample the electric field oscillations of the long-wavelength pulses. This, in turn, could be employed as a possible characterization method that provides information on the real electric field amplitude. Our numerical model is supported by spectrally resolved measurements of the four-wave mixing signals obtained from the interaction of intense, single-cycle terahertz fields (λ > 15 μm) and optical pulses (λ ≃ 800 nm, 50 fs duration) in air.

KW - characterization methods

KW - difference-frequency generation

KW - electric field oscillations

KW - electric-field amplitude

KW - long wavelength

KW - measurements

KW - short optical pulse

KW - terahertz fields

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JO - New Journal of Physics

JF - New Journal of Physics

SN - 1367-2630

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ER -

Spectrally resolved wave-mixing between near- and far-infrared pulses in gas

Abstract

Keywords

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