Highly-efficient extraction of entangled photons from quantum dots using a broadband optical antenna

by Yan Chen, Michael Zopf, Robert Keil, Fei Ding, Oliver G. Schmidt
Published 2018-07-01

Approaching the Tsirelson bound with a Sagnac source of polarization-entangled photons

by Sandra Meraner, Robert J. Chapman, Stefan Frick, Robert Keil, Maximilian Prilmüller, Gregor Weihs
Published 2021-01-01

Solid-state ensemble of highly entangled photon sources at rubidium atomic transitions

by Robert Keil, Michael Zopf, Yan Chen, Bianca Höfer, Jiaxiang Zhang, Fei Ding, Oliver G. Schmidt
Published 2017-05-01

Hybrid waveguide-bulk multi-path interferometer with switchable amplitude and phase

by Robert Keil, Thomas Kaufmann, Thomas Kauten, Sebastian Gstir, Christoph Dittel, René Heilmann, Alexander Szameit, Gregor Weihs
Published 2016-11-01

Wavelength-tunable entangled photons from silicon-integrated III–V quantum dots

by Yan Chen, Jiaxiang Zhang, Michael Zopf, Kyubong Jung, Yang Zhang, Robert Keil, Fei Ding, Oliver G. Schmidt
Published 2016-01-01

Implementation of quantum and classical discrete fractional Fourier transforms

by Steffen Weimann, Armando Perez-Leija, Maxime Lebugle, Robert Keil, Malte Tichy, Markus Gräfe, René Heilmann, Stefan Nolte, Hector Moya-Cessa, Gregor Weihs, Demetrios N. Christodoulides, Alexander Szameit
Published 2016-03-01