Ultrafast mid-infrared high harmonic and supercontinuum generation with                         n                                                                              2                          characterization in zinc selenide

Kevin Werner; Michael G. Hastings; Aaron Schweinsberg; Brian L. Wilmer; Drake Austin; Christopher M. Wolfe; Miroslav Kolesik; Trenton R. Ensley; Laura Vanderhoef; Anthony Valenzuela; Enam Chowdhury

doi:10.1364/OE.27.002867

Ultrafast mid-infrared high harmonic and supercontinuum generation with ⁿ ₂ characterization in zinc selenide

Kevin Werner
, Michael G. Hastings
, Aaron Schweinsberg
, Brian L. Wilmer
, Drake Austin
, Christopher M. Wolfe
, Miroslav Kolesik
, Trenton R. Ensley
, Laura Vanderhoef
, Anthony Valenzuela
, Enam Chowdhury

Optical Sciences

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

57 Scopus citations

Abstract

Polycrystalline ZnSe is an exciting source of broadband supercontinuum and high-harmonic generation via random quasi phase matching, exhibiting broad transparency in the mid-infrared (0.5 − 20 μ m ). In this work, the effects of wavelength, pulse power, intensity, propagation length, and crystallinity on supercontinuum and high harmonic generation are investigated experimentally using ultrafast mid-infrared pulses. Observed harmonic conversion efficiency scales linearly in propagation length, reaching as high as 36%. For the first time to our knowledge, n ₂ is measured for mid-infrared wavelengths in ZnSe: n ₂ (λ = 3.9 μ m) = (1.2 ± 0.3) ×10 ⁻¹⁴ cm ² / W . Measured n ₂ is applied to simulations modeling high-harmonic generation in polycrystalline ZnSe as an effective medium.

Original language	English (US)
Pages (from-to)	2867-2885
Number of pages	19
Journal	Optics Express
Volume	27
Issue number	3
DOIs	https://doi.org/10.1364/OE.27.002867
State	Published - Feb 4 2019

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OE.27.002867

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Werner, K., Hastings, M. G., Schweinsberg, A., Wilmer, B. L., Austin, D., Wolfe, C. M., Kolesik, M., Ensley, T. R., Vanderhoef, L., Valenzuela, A., & Chowdhury, E. (2019). Ultrafast mid-infrared high harmonic and supercontinuum generation with ⁿ ₂ characterization in zinc selenide Optics Express, 27(3), 2867-2885. https://doi.org/10.1364/OE.27.002867

Ultrafast mid-infrared high harmonic and supercontinuum generation with ⁿ ₂ characterization in zinc selenide . / Werner, Kevin; Hastings, Michael G.; Schweinsberg, Aaron et al.
In: Optics Express, Vol. 27, No. 3, 04.02.2019, p. 2867-2885.

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

Werner, K, Hastings, MG, Schweinsberg, A, Wilmer, BL, Austin, D, Wolfe, CM, Kolesik, M, Ensley, TR, Vanderhoef, L, Valenzuela, A & Chowdhury, E 2019, ' Ultrafast mid-infrared high harmonic and supercontinuum generation with ⁿ ₂ characterization in zinc selenide ', Optics Express, vol. 27, no. 3, pp. 2867-2885. https://doi.org/10.1364/OE.27.002867

Werner K, Hastings MG, Schweinsberg A, Wilmer BL, Austin D, Wolfe CM et al. Ultrafast mid-infrared high harmonic and supercontinuum generation with ⁿ ₂ characterization in zinc selenide Optics Express. 2019 Feb 4;27(3):2867-2885. doi: 10.1364/OE.27.002867

Werner, Kevin ; Hastings, Michael G. ; Schweinsberg, Aaron et al. / Ultrafast mid-infrared high harmonic and supercontinuum generation with ⁿ ₂ characterization in zinc selenide In: Optics Express. 2019 ; Vol. 27, No. 3. pp. 2867-2885.

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title = " Ultrafast mid-infrared high harmonic and supercontinuum generation with n 2 characterization in zinc selenide ",

abstract = " Polycrystalline ZnSe is an exciting source of broadband supercontinuum and high-harmonic generation via random quasi phase matching, exhibiting broad transparency in the mid-infrared (0.5 − 20 μ m ). In this work, the effects of wavelength, pulse power, intensity, propagation length, and crystallinity on supercontinuum and high harmonic generation are investigated experimentally using ultrafast mid-infrared pulses. Observed harmonic conversion efficiency scales linearly in propagation length, reaching as high as 36\%. For the first time to our knowledge, n 2 is measured for mid-infrared wavelengths in ZnSe: n 2 (λ = 3.9 μ m) = (1.2 ± 0.3) ×10 −14 cm 2 / W . Measured n 2 is applied to simulations modeling high-harmonic generation in polycrystalline ZnSe as an effective medium.",

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AU - Werner, Kevin

AU - Hastings, Michael G.

AU - Schweinsberg, Aaron

AU - Wilmer, Brian L.

AU - Austin, Drake

AU - Wolfe, Christopher M.

AU - Kolesik, Miroslav

AU - Ensley, Trenton R.

AU - Vanderhoef, Laura

AU - Valenzuela, Anthony

AU - Chowdhury, Enam

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N2 - Polycrystalline ZnSe is an exciting source of broadband supercontinuum and high-harmonic generation via random quasi phase matching, exhibiting broad transparency in the mid-infrared (0.5 − 20 μ m ). In this work, the effects of wavelength, pulse power, intensity, propagation length, and crystallinity on supercontinuum and high harmonic generation are investigated experimentally using ultrafast mid-infrared pulses. Observed harmonic conversion efficiency scales linearly in propagation length, reaching as high as 36%. For the first time to our knowledge, n 2 is measured for mid-infrared wavelengths in ZnSe: n 2 (λ = 3.9 μ m) = (1.2 ± 0.3) ×10 −14 cm 2 / W . Measured n 2 is applied to simulations modeling high-harmonic generation in polycrystalline ZnSe as an effective medium.

AB - Polycrystalline ZnSe is an exciting source of broadband supercontinuum and high-harmonic generation via random quasi phase matching, exhibiting broad transparency in the mid-infrared (0.5 − 20 μ m ). In this work, the effects of wavelength, pulse power, intensity, propagation length, and crystallinity on supercontinuum and high harmonic generation are investigated experimentally using ultrafast mid-infrared pulses. Observed harmonic conversion efficiency scales linearly in propagation length, reaching as high as 36%. For the first time to our knowledge, n 2 is measured for mid-infrared wavelengths in ZnSe: n 2 (λ = 3.9 μ m) = (1.2 ± 0.3) ×10 −14 cm 2 / W . Measured n 2 is applied to simulations modeling high-harmonic generation in polycrystalline ZnSe as an effective medium.

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Ultrafast mid-infrared high harmonic and supercontinuum generation with ⁿ ₂ characterization in zinc selenide

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