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Tailoring photon statistics with an atom-based two-photon interferometer
Martin Cordier, Max Schemmer, Philipp Schneeweiss +2
Controlling the photon statistics of light is paramount for quantum science and technologies. Recently, we demonstrated that transmitting resonant laser light past an ensemble of t…
Observation of superradiant bursts in a cascaded quantum system
Christian Liedl, Felix Tebbenjohanns, Constanze Bach +3
Dicke superradiance describes the collective radiative decay of a fully inverted ensemble of two-level atoms. We experimentally investigate this effect for a chiral, i.e.,~directio…
Will a single two-level atom simultaneously scatter two photons?
Luke Masters, Xinxin Hu, Martin Cordier +5
The interaction of light with a single two-level emitter is the most fundamental process in quantum optics, and is key to many quantum applications. As a distinctive feature, two p…
Higher-order mean-field theory of chiral waveguide QED
Kasper J. Kusmierek, Sahand Mahmoodian, Martin Cordier +6
Waveguide QED with cold atoms provides a potent platform for the study of non-equilibrium, many-body, and open-system quantum dynamics. Even with weak coupling and strong photon lo…
Collective excitation and decay of waveguide-coupled atoms: from timed Dicke states to inverted ensembles
Christian Liedl, Sebastian Pucher, Felix Tebbenjohanns +2
The collective absorption and emission of light by an ensemble of atoms is at the heart of many fundamental quantum optical effects and the basis for numerous applications. However…