Antiresonance Phase Shift in Strongly Coupled Cavity QED

C. Sames, H. Chibani, C. Hamsen, P. A. Altin, T. Wilk, and G. Rempe
Phys. Rev. Lett. 112, 043601 – Published 27 January 2014
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Abstract

We investigate phase shifts in the strong coupling regime of single-atom cavity quantum electrodynamics. On the light transmitted through the system, we observe a phase shift associated with an antiresonance and show that both its frequency and width depend solely on the atom, despite the strong coupling to the cavity. This shift is optically controllable and reaches 140°–the largest ever reported for a single emitter. Our result offers a new technique for the characterization of complex integrated quantum circuits.

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  • Received 20 November 2013

DOI:https://doi.org/10.1103/PhysRevLett.112.043601

© 2014 American Physical Society

Authors & Affiliations

C. Sames, H. Chibani, C. Hamsen, P. A. Altin, T. Wilk, and G. Rempe*

  • Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Straße 1, D-85748 Garching, Germany

  • *gerhard.rempe@mpq.mpg.de

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Issue

Vol. 112, Iss. 4 — 31 January 2014

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