Reading the phase of a Raman excitation with a multi-state atomic interferometer
Petrović, Jovana S.
Cataliotti, F. S.
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Atomic memories for flying photonic qubits are an essential ingredient for many applications like e.g. quantum repeaters. Verification of the coherent transfer of information from a light field to an atomic superposition is usually obtained using an optical read-out. In this paper we report the direct detection of the atomic coherence by means of atom interferometry. We experimentally verified both that a bichromatic laser field closing a Raman transition imprints a distinct, controllable phase on the atomic coherence and that it can be recovered after a variable time delay. (C) 2014 Optical Society of America
Source:Optics Express, 2014, 22, 16
- LASERLAB-EUROPE - The Integrated Initiative of European Laser Research Infrastructures III (EU-284464)
- Photonics of micro and nano structured materials (RS-45010)
- MALICIA - Light-Matter interfaces in absence of cavities (EU-265522)
- MIUR, MAE under bilateral Serbia-Italy [M01049], ERA-NET CHIST- ERA (QScale)