Double Feature: Distillation of Single Photons based on Cavity QED (M.Sc. Severin Daiss)
Distillation of Single Photons based on Cavity QED
- Date: May 28, 2019
- Time: 02:30 PM (Local Time Germany)
- Speaker: M.Sc. Severin Daiss
- Quantum Dynamics Division, MPQ
- Location: Max Planck Institute of Quantum Optics
- Room: Herbert Walther Lecture Hall
Custom-shaped single photons are an indispensable tool for many quantum communication applications. We distill them out of incoming optical pulses that are reflected from an atom-cavity system [1].
A suitable atomic measurement is used to herald
the suppression of unwanted Fock components. Out of vacuum-dominated coherent
pulses, we distill single photons with fidelity of 66%. Applying our protocol
to state-of-the-art fiber cavities would allow to reach single-photon
fidelities of up to 96%.
[1] S. Daiss, S. Welte, B. Hacker, L. Li, G. Rempe, PRL 122, 133603 (2019)