4.5 Article

Determining carrier-envelope phase of an ultrashort laser pulse in quantum well via tuning inhomogeneity

Journal

PHYSICS LETTERS A
Volume 481, Issue -, Pages -

Publisher

ELSEVIER
DOI: 10.1016/j.physleta.2023.129025

Keywords

Soliton pulse; Carrier-envelope phase; Inhomogeneity

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When a few-cycle laser pulse with non-uniform field propagates in a parabolic quantum well, a soliton pulse can be generated after a certain propagation distance. The duration and peak intensity of this soliton pulse are strongly influenced by the carrier-envelope phase (CEP) of the incident pulse. The CEP-dependence follows a sinusoidal modulation pattern related to the inhomogeneity of the laser field, which allows for determining the CEP by shaping the field's inhomogeneity, similar to using polar media.
When a few-cycle Inhomogeneous laser pulse propagates in parabolic quantum wells, a soliton pulse can occur after a certain propagation distance. The duration and peak intensity of such a soliton pulse are both sensitively dependent on the carrier-envelope phase (CEP) of the incident few-cycle pulse. This kind of CEP-dependence follows a sinusoidal modulation pattern with the Inhomogeneous degree of the incident laser field, which provides a route to determine the CEP by just shaping the field's inhomogeneity analogous to that by using polar media. & COPY; 2023 Elsevier B.V. All rights reserved.

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