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Antiresonance Phase Shift in Strongly Coupled Cavity QED

Sames, C; Chibani, H; Hamsen, C; Altin, Paul; Wilk, T; Rempe, G


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...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.112.043601
Access Rights: Open Access


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