Preparation of single photon states with rising exponential shape

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

doi:10.1117/12.2278703

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Preparation of single photon states with rising exponential shape

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Srivathsan, Bharath
4pi Photon Atom Coupling, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Srivathsan, B., Gulati, C. K., Leong, V., Seidler, M., Steiner, M., Cere, A., et al. (2017). Preparation of single photon states with rising exponential shape. In C. Soci, M. Agio, & K. Srinivasan (Eds.), QUANTUM PHOTONIC DEVICES. SPIE-INT SOC OPTICAL ENGINEERING.

Cite as: https://hdl.handle.net/21.11116/0000-0001-5B48-9

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)