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

Research output: Contribution to journalArticle

10 Citations (Scopus)

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 languageEnglish (US)
Pages (from-to)2867-2885
Number of pages19
JournalOptics Express
Volume27
Issue number3
DOIs
StatePublished - Feb 4 2019

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zinc selenides
harmonic generations
propagation
pulses
phase matching
wavelengths
crystallinity
broadband
harmonics
simulation

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Werner, K., Hastings, M. G., Schweinsberg, A., Wilmer, B. L., Austin, D., Wolfe, C. M., ... 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; Wilmer, Brian L.; Austin, Drake; Wolfe, Christopher M.; Kolesik, Miroslav; Ensley, Trenton R.; Vanderhoef, Laura; Valenzuela, Anthony; Chowdhury, Enam.

In: Optics Express, Vol. 27, No. 3, 04.02.2019, p. 2867-2885.

Research output: Contribution to journalArticle

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