Optoelectronic control of atomic bistability with graphene

Mikkel Have Eriksen, Jakob E. Olsen, Christian Wolff, Joel D. Cox*

*Kontaktforfatter

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Abstract

We explore the emergence and active control of optical bistability in a two-level atom near a graphene sheet. Our theory incorporates self-interaction of the optically driven atom and its coupling to electromagnetic vacuum modes, both of which are sensitive to the electrically tunable interband transition threshold in graphene. We show that electro-optical bistability and hysteresis can manifest in the intensity, spectrum, and quantum statistics of the light emitted by the atom, which undergoes critical slow-down to steady state. The optically driven atom-graphene interaction constitutes a platform for active control of driven atomic systems in coherent quantum control and atomic physics.

OriginalsprogEngelsk
Artikelnummer253602
TidsskriftPhysical Review Letters
Vol/bind129
Udgave nummer25
Antal sider6
ISSN0031-9007
DOI
StatusUdgivet - 16. dec. 2022

Bibliografisk note

Funding Information:
The authors thank Fabio Raspanti, P. A. D. Gonçalves, Sebastian Hofferberth, N. Asger Mortensen, and Klaus Mølmer for insightful and enjoyable discussions. J. D. C. is a Sapere Aude research leader supported by VILLUM FONDEN (Grant No. 16498) and Independent Research Fund Denmark (Grant No. 0165-00051B).

Publisher Copyright:
© 2022 American Physical Society.

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