Wavelength scaling of terahertz pulse energies delivered by two-color air plasmas

Research output: Contribution to journalJournal article – Annual report year: 2019Researchpeer-review

Standard

Wavelength scaling of terahertz pulse energies delivered by two-color air plasmas. / Nguyen, A.; Kaltenecker, K. J.; Delagnes, J. C.; Zhou, B.; Cormier, E.; Fedorov, N.; Bouillaud, R.; Descamps, D.; Thiele, I.; Skupin, S.; Jepsen, P. U.; Bergé, L.

In: Optics Letters, Vol. 44, No. 6, 01.01.2019, p. 1488-1491.

Research output: Contribution to journalJournal article – Annual report year: 2019Researchpeer-review

Harvard

Nguyen, A, Kaltenecker, KJ, Delagnes, JC, Zhou, B, Cormier, E, Fedorov, N, Bouillaud, R, Descamps, D, Thiele, I, Skupin, S, Jepsen, PU & Bergé, L 2019, 'Wavelength scaling of terahertz pulse energies delivered by two-color air plasmas', Optics Letters, vol. 44, no. 6, pp. 1488-1491. https://doi.org/10.1364/OL.44.001488

APA

CBE

Nguyen A, Kaltenecker KJ, Delagnes JC, Zhou B, Cormier E, Fedorov N, Bouillaud R, Descamps D, Thiele I, Skupin S, Jepsen PU, Bergé L. 2019. Wavelength scaling of terahertz pulse energies delivered by two-color air plasmas. Optics Letters. 44(6):1488-1491. https://doi.org/10.1364/OL.44.001488

MLA

Vancouver

Author

Nguyen, A. ; Kaltenecker, K. J. ; Delagnes, J. C. ; Zhou, B. ; Cormier, E. ; Fedorov, N. ; Bouillaud, R. ; Descamps, D. ; Thiele, I. ; Skupin, S. ; Jepsen, P. U. ; Bergé, L. / Wavelength scaling of terahertz pulse energies delivered by two-color air plasmas. In: Optics Letters. 2019 ; Vol. 44, No. 6. pp. 1488-1491.

Bibtex

@article{ab1ac17e935340168eb1713b28a64230,
title = "Wavelength scaling of terahertz pulse energies delivered by two-color air plasmas",
abstract = "We address the long-standing problem of anomalous growth observed in the terahertz (THz) energy yield from air plasmas created by two-color laser pulses, as the fundamental wavelength λ 0 is increased. Using two distinct optical parametric amplifiers (OPAs), we report THz energies scaling like λ α 0 with large exponents 5.6 ≤ α ≤ 14.3, which departs from the growth in λ 2 0 expected from photocurrent theory. By means of comprehensive 3D simulations, we demonstrate that the changes in the laser beam size, pulse duration, and phase-matching conditions in the second-harmonic generation process when tuning the OPA’s carrier wavelength can lead to these high scaling powers. The value of the phase angle between the two colors reached at the exit of the doubling crystal turns out to be crucial and even explains non-monotonic behaviors in the measurements.",
author = "A. Nguyen and Kaltenecker, {K. J.} and Delagnes, {J. C.} and B. Zhou and E. Cormier and N. Fedorov and R. Bouillaud and D. Descamps and I. Thiele and S. Skupin and Jepsen, {P. U.} and L. Berg{\'e}",
year = "2019",
month = "1",
day = "1",
doi = "10.1364/OL.44.001488",
language = "English",
volume = "44",
pages = "1488--1491",
journal = "Optics Letters",
issn = "0146-9592",
publisher = "Optical Society of America",
number = "6",

}

RIS

TY - JOUR

T1 - Wavelength scaling of terahertz pulse energies delivered by two-color air plasmas

AU - Nguyen, A.

AU - Kaltenecker, K. J.

AU - Delagnes, J. C.

AU - Zhou, B.

AU - Cormier, E.

AU - Fedorov, N.

AU - Bouillaud, R.

AU - Descamps, D.

AU - Thiele, I.

AU - Skupin, S.

AU - Jepsen, P. U.

AU - Bergé, L.

PY - 2019/1/1

Y1 - 2019/1/1

N2 - We address the long-standing problem of anomalous growth observed in the terahertz (THz) energy yield from air plasmas created by two-color laser pulses, as the fundamental wavelength λ 0 is increased. Using two distinct optical parametric amplifiers (OPAs), we report THz energies scaling like λ α 0 with large exponents 5.6 ≤ α ≤ 14.3, which departs from the growth in λ 2 0 expected from photocurrent theory. By means of comprehensive 3D simulations, we demonstrate that the changes in the laser beam size, pulse duration, and phase-matching conditions in the second-harmonic generation process when tuning the OPA’s carrier wavelength can lead to these high scaling powers. The value of the phase angle between the two colors reached at the exit of the doubling crystal turns out to be crucial and even explains non-monotonic behaviors in the measurements.

AB - We address the long-standing problem of anomalous growth observed in the terahertz (THz) energy yield from air plasmas created by two-color laser pulses, as the fundamental wavelength λ 0 is increased. Using two distinct optical parametric amplifiers (OPAs), we report THz energies scaling like λ α 0 with large exponents 5.6 ≤ α ≤ 14.3, which departs from the growth in λ 2 0 expected from photocurrent theory. By means of comprehensive 3D simulations, we demonstrate that the changes in the laser beam size, pulse duration, and phase-matching conditions in the second-harmonic generation process when tuning the OPA’s carrier wavelength can lead to these high scaling powers. The value of the phase angle between the two colors reached at the exit of the doubling crystal turns out to be crucial and even explains non-monotonic behaviors in the measurements.

U2 - 10.1364/OL.44.001488

DO - 10.1364/OL.44.001488

M3 - Journal article

VL - 44

SP - 1488

EP - 1491

JO - Optics Letters

JF - Optics Letters

SN - 0146-9592

IS - 6

ER -