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Showing 2017 · quant-phShow all

23 papers · 2 filters

quant-ph2017★ 22 cited

Frequency Feedback for Two-Photon Interference from Separate Quantum Dots

Michael Zopf, Tobias Macha, Robert Keil +7

We employ active feedback to stabilize the frequency of single photons emitted by two separate quantum dots to an atomic standard. The transmission of a single, rubidium-based Fara…

quant-ph2017★ 56 cited

Fast manipulation of Bose-Einstein condensates with an atom chip

R. Corgier, S. Amri, W. Herr +6

We present a detailed theoretical analysis of the implementation of shortcut-to-adiabaticity protocols for the fast transport of neutral atoms with atom chips. The objective is to…

quant-ph2017★ 672 cited

The European Quantum Technologies Roadmap

Antonio Acín, Immanuel Bloch, Harry Buhrman +15

Within the last two decades, Quantum Technologies (QT) have made tremendous progress, moving from Noble Prize award-winning experiments on quantum physics into a cross-disciplinary…

quant-ph2017★ 29 cited

Interferometric sensitivity and entanglement by scanning through quantum phase transitions in spinor Bose-Einstein condensates

P. Feldmann, M. Gessner, M. Gabbrielli +4

Recent experiments have demonstrated the generation of entanglement by quasi-adiabatically driving through quantum phase transitions of a ferromagnetic spin-1 Bose-Einstein condens…

quant-ph2017★ 23 cited

Heralded Generation of Macroscopic Superposition States in a Spinor Bose-Einstein Condensate

L. Pezze', M. Gessner, P. Feldmann +3

We propose to generate macroscopic superposition states of a large number of atoms in the ground state of a three-mode spinor Bose-Einstein condensate. The ground state is protecte…

quant-ph2017★ 18 cited

Energy cost of entanglement extraction in complex quantum systems

Cedric Beny, Christopher T. Chubb, Terry Farrelly +1

What is the energy cost of extracting entanglement from complex quantum systems? In other words, given a state of a quantum system, how much energy does it cost to extract m EPR pa…