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You YS, Wu M, Yin Y, et al. Laser waveform control of extreme ultraviolet high harmonics from solids. Opt Lett. 2017;42(9):1816-1819doi: 10.1364/OL.42.001816.
You, Y. S., Wu, M., Yin, Y., Chew, A., Ren, X., Gholam-Mirzaei, S., Browne, D. A., Chini, M., Chang, Z., Schafer, K. J., Gaarde, M. B., & Ghimire, S. (2017). Laser waveform control of extreme ultraviolet high harmonics from solids. Optics letters, 42(9), 1816-1819. https://doi.org/10.1364/OL.42.001816
You, Yong Sing, et al. "Laser waveform control of extreme ultraviolet high harmonics from solids." Optics letters vol. 42,9 (2017): 1816-1819. doi: https://doi.org/10.1364/OL.42.001816
You YS, Wu M, Yin Y, Chew A, Ren X, Gholam-Mirzaei S, Browne DA, Chini M, Chang Z, Schafer KJ, Gaarde MB, Ghimire S. Laser waveform control of extreme ultraviolet high harmonics from solids. Opt Lett. 2017 May 01;42(9):1816-1819. doi: 10.1364/OL.42.001816. PMID: 28454168.
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Opt Lett. 2017 May 01;42(9):1816-1819. doi: 10.1364/OL.42.001816.

Laser waveform control of extreme ultraviolet high harmonics from solids.

Optics letters

Yong Sing You, Mengxi Wu, Yanchun Yin, Andrew Chew, Xiaoming Ren, Shima Gholam-Mirzaei, Dana A Browne, Michael Chini, Zenghu Chang, Kenneth J Schafer, Mette B Gaarde, Shambhu Ghimire

PMID: 28454168 DOI: 10.1364/OL.42.001816

Abstract

Solid-state high-harmonic sources offer the possibility of compact, high-repetition-rate attosecond light emitters. However, the time structure of high harmonics must be characterized at the sub-cycle level. We use strong two-cycle laser pulses to directly control the time-dependent nonlinear current in single-crystal MgO, leading to the generation of extreme ultraviolet harmonics. We find that harmonics are delayed with respect to each other, yielding an atto-chirp, the value of which depends on the laser field strength. Our results provide the foundation for attosecond pulse metrology based on solid-state harmonics and a new approach to studying sub-cycle dynamics in solids.

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