8 citations · 17 across the 8 of their papers we have counts for
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Effective models for quantum optics with multilayer open cavities
Astghik Saharyan, Juan-Rafael Álvarez, Axel Kuhn +1
Effective models to describe the dynamics of an open cavity have been extensively discussed in the literature. In many of these models the cavity leakage to the outside is treated…
Decoherence-assisted quantum key distribution
Daniel R. Sabogal, Daniel F. Urrego, Juan Rafael Álvarez +3
We present a theoretical and experimental study of a controllable decoherence-assisted quantum key distribution scheme. Our method is based on the possibility of introducing contro…
Bursts of polarised single photons from atom-cavity sources
Jan Ole Ernst, Juan-Rafael Alvarez, Thomas D. Barrett +1
Photonic qubits play an instrumental role in the development of advanced quantum technologies, including quantum networking, boson sampling and measurement based quantum computing.…
Equivalence regimes for geometric quantum discord and local quantum uncertainty
Oscar Cordero, Arturo Villegas, Juan-Rafael Alvarez +3
The concept of quantum discord aims at unveiling quantum correlations that go beyond those described by entanglement. Its original formulation [J. Phys. A 34, 6899 (2001); Phys. Re…
How to administer an antidote to Schrödinger's cat
Juan-Rafael Álvarez, Mark IJspeert, Oliver Barter +6
In his 1935 Gedankenexperiment, Erwin Schrödinger imagined a poisonous substance which has a 50% probability of being released, based on the decay of a radioactive atom. As such, t…
Light-matter interaction in open cavities with dielectric stacks
Astghik Saharyan, Juan-Rafael Álvarez, Thomas H. Doherty +2
We evaluate the exact dipole coupling strength between a single emitter and the radiation field within an optical cavity, taking into account the effects of multilayer dielectric m…
Quantum random number generation by coherent detection of phase noise
Juan-Rafael Álvarez, Samael Sarmiento, José A. Lázaro +2
We demonstrate a quantum random number generator based on the random nature of the phase difference between two independent laser sources. The speed of random bit generation is det…