Preparation of single photon states with rising exponential shape

Bharath Srivathsan; Gurpreet Kaur Gulati; Victor Leong; Mathias Seidler; Matthias Steiner; Alessandro Cere; Christian Kurtsiefer

doi:10.1117/12.2278703

29 August 2017 Preparation of single photon states with rising exponential shape

Bharath Srivathsan, Gurpreet Kaur Gulati, Victor Leong, Mathias Seidler, Matthias Steiner, Alessandro Cere, Christian Kurtsiefer

Author Affiliations +

Proceedings Volume 10358, Quantum Photonic Devices; 1035803 (2017) https://doi.org/10.1117/12.2278703
Event: SPIE Nanoscience + Engineering, 2017, San Diego, California, United States

Abstract

We prepare single photons with a temporal envelope with rising exponential shape, resembling the time-reversed version of photons from the spontaneous decay process using a parametric conversion process in a cold atomic vapor. The mechanism is based on correlated photon pair preparation and heralding of one photon by the other one after engineering the temporal envelope of the herald.¹ Such a temporal single photon profile is ideal for absorption by a two level system.^{2, 3} We demonstrate this in an experiment showcasing the absorption by a single Rubidium atom.⁴

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Bharath Srivathsan, Gurpreet Kaur Gulati, Victor Leong, Mathias Seidler, Matthias Steiner, Alessandro Cere, and Christian Kurtsiefer "Preparation of single photon states with rising exponential shape", Proc. SPIE 10358, Quantum Photonic Devices, 1035803 (29 August 2017); https://doi.org/10.1117/12.2278703

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