Delay measurement of attosecond emission in solids

Dong Hyuk Ko; Graham G. Brown; Chunmei Zhang; P. B. Corkum

doi:10.1088/1361-6455/ab81e7

Delay measurement of attosecond emission in solids

Dong Hyuk Ko, Graham G. Brown, Chunmei Zhang, P. B. Corkum^*

^*Corresponding author for this work

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

5 Citations (Scopus)

Abstract

We characterize an attosecond pulse without using a secondary laser pulse. Instead, we use the carrier-envelope-phase dependence of the extreme ultraviolet (XUV) emission to measure the dipole current from a solid material. To confirm, we apply our approach to data derived by solving the time-dependent Schrödinger equation with a periodic potential. Finally, using MgO, we measure the delay shift at the strong XUV absorption feature and explain it as the quantum interference between the continuum and bound states that participate in the generation process.

Original language	English
Article number	124001
Journal	Journal of Physics B: Atomic, Molecular and Optical Physics
Volume	53
Issue number	12
DOIs	https://doi.org/10.1088/1361-6455/ab81e7
Publication status	Published - 28 Jun 2020
Externally published	Yes

Keywords

attosecond pulse measurement
delay in recollision process
strong-field physics

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10.1088/1361-6455/ab81e7

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Ko, D. H., Brown, G. G., Zhang, C., & Corkum, P. B. (2020). Delay measurement of attosecond emission in solids. Journal of Physics B: Atomic, Molecular and Optical Physics, 53(12), Article 124001. https://doi.org/10.1088/1361-6455/ab81e7

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AU - Zhang, Chunmei

AU - Corkum, P. B.

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Y1 - 2020/6/28

N2 - We characterize an attosecond pulse without using a secondary laser pulse. Instead, we use the carrier-envelope-phase dependence of the extreme ultraviolet (XUV) emission to measure the dipole current from a solid material. To confirm, we apply our approach to data derived by solving the time-dependent Schrödinger equation with a periodic potential. Finally, using MgO, we measure the delay shift at the strong XUV absorption feature and explain it as the quantum interference between the continuum and bound states that participate in the generation process.

AB - We characterize an attosecond pulse without using a secondary laser pulse. Instead, we use the carrier-envelope-phase dependence of the extreme ultraviolet (XUV) emission to measure the dipole current from a solid material. To confirm, we apply our approach to data derived by solving the time-dependent Schrödinger equation with a periodic potential. Finally, using MgO, we measure the delay shift at the strong XUV absorption feature and explain it as the quantum interference between the continuum and bound states that participate in the generation process.

KW - attosecond pulse measurement

KW - delay in recollision process

KW - strong-field physics

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JF - Journal of Physics B: Atomic, Molecular and Optical Physics

IS - 12

M1 - 124001

ER -

Delay measurement of attosecond emission in solids

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Keywords

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