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Quantum State Transfer via Noisy Photonic and Phononic Waveguides
Benoît Vermersch, Pierre-Olivier Guimond, Hannes Pichler +1
We describe a quantum state transfer protocol, where a quantum state of photons stored in a first cavity can be faithfully transferred to a second distant cavity via an infinite 1D…
Chiral Quantum Optics
Peter Lodahl, Sahand Mahmoodian, Søren Stobbe +5
At the most fundamental level, the interaction between light and matter is manifested by the emission and absorption of single photons by single quantum emitters. Controlling light…
Nano-Scale `Dark State' Optical Potentials for Cold Atoms
M. Łącki, M. Baranov, H. Pichler +1
We discuss generation of subwavelength optical barriers on the scale of tens of nanometers, as conservative optical potentials for cold atoms. These arise from non-adiabatic correc…
Chiral quantum optics with V-level atoms and coherent quantum feedback
Pierre-Olivier Guimond, Hannes Pichler, Arno Rauschenbeutel +1
We study the dissipative dynamics of an atom in a V-level configuration driven by lasers and coupled to a semi-infinite waveguide. The coupling to the waveguide is chiral, in that…
Measurement Protocol for the Entanglement Spectrum of Cold Atoms
Hannes Pichler, Guanyu Zhu, Alireza Seif +2
Entanglement, and, in particular the entanglement spectrum, plays a major role in characterizing many-body quantum systems. While there has been a surge of theoretical works on the…
Non-Markovian Dynamics in Chiral Quantum Networks with Spins and Photons
Tomás Ramos, Benoît Vermersch, Philipp Hauke +2
We study the dynamics of chiral quantum networks consisting of nodes coupled by unidirectional or asymmetric bidirectional quantum channels. In contrast to familiar photonic networ…