Entanglement in multimode bosonic systems

Yumang Jing; Olov Pettersson; Qiongyi He; Tim Byrnes

doi:10.1117/12.2245926

3 November 2016 Entanglement in multimode bosonic systems

Yumang Jing, Olov Pettersson, Qiongyi He, Tim Byrnes

Proceedings Volume 10029, Quantum and Nonlinear Optics IV; 100290J (2016) https://doi.org/10.1117/12.2245926
Event: SPIE/COS Photonics Asia, 2016, Beijing, China

Abstract

Entanglement generation between atomic ensembles is typically modeled using the framework of continuous variables (CV) which approximates discrete spin operators as canonical position and momentum operators. Although hugely successful with many applications, this approximation is valid only for small deviations in spin. Here we investigate entanglement generation between two atomic ensemble qubits using a measurement based scheme of a common light mode. Various methods of entanglement detection of the entangled state is discussed. We propose a entanglement witness for this state and discuss its further applications to optical states.

Citation Download Citation

Yumang Jing, Olov Pettersson, Qiongyi He, and Tim Byrnes "Entanglement in multimode bosonic systems", Proc. SPIE 10029, Quantum and Nonlinear Optics IV, 100290J (3 November 2016); https://doi.org/10.1117/12.2245926

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