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ANDREAS LYRAS

Associate Professor

FACULTY, DEPARTMENT OF PHYSICS and ASTRONOMY

كلية العلوم
Department Of Physics & Astronomy
publication
Journal Article
2019

Dark state atom mirrors based on artificial gauge fields created by surface optical vortices

Aldossary, V. E. Lembessis, A. Al Rsheed, A. Lyras, and O. M. . 2019

We propose the construction of an atom mirror for cold three-level atoms in a dark state where the forces, responsible for the atomic reflection, are provided by artificial gauge fields. These fields are created from the total internal reflection of optical vortex beams with Gaussian intensity profiles at the interface of a dielectric prism and vacuum. We investigate the role of the photon angular momentum in the magnitude of these fields and consequently on the efficiency of atomic reflection.

Publication Work Type
Research article
Volume Number
36
Issue Number
4
Magazine \ Newspaper
J. Opt. Soc. Am. B
Pages
971 to 977
more of publication
publications

We present the theoretical framework and the approximations needed to numerically simulate the response of alkali metal atoms under multi-photon excitation.

by N Merlemis, A Lyras, G Papademetriou, D Pentaris, T Efthimiopoulos
2022
Published in:
SPRINGER
publications

We report theoretical results for the transition amplitudes of two-photon transitions induced in a one-active-electron atomic system by a LG10 beam. We identify the excitation pathways for…

by A Al-Khateeb, A Lyras, V E Lembessis, O M Aldossary
2022
Published in:
ELSEVIER
publications

We investigate the quantized states of a two-level Rb atom that is trapped by the optical dipole potential when the atom interacts with a helical optical tube light field.

by Vassilis E. Lembessis, Andreas Lyras, and Omar M. Aldossary
2022
Published in:
OPTICA