Publications related to Quantum network

Cavity-Optomechanics with Silica Microtoroids

Here, I report on a cryogenic cavity optomechanics experiment that has been set up with the goal to cool a mechanical degree of freedom of a fused silica microtoroidal resonator into the quantum regime by means of a combination of cryogenic and laser cooli ...

EPFL2012

Pre-selection of optical transitions in rare-earth ions in crystals perspective for quantum information processing

A systematic analysis of decoherence rates due to electron-phonon interactions for optical transitions of rare-earth dopant ions in crystals is presented in the frame of the point charge model. For this model, the large value of any one of the matrix eleme ...

Taylor & Francis2012

Optimizing Quantize-Map-and-Forward Relaying for Gaussian Diamond Networks

Christina Fragouli, Ayan Sengupta, I-Hsiang Wang

We evaluate the information-theoretic achievable rates of Quantize-Map-and-Forward (QMF) relaying schemes over Gaussian

N

-relay diamond networks. Focusing on vector Gaussian quantization at the relays, our goal is to understand how close to the cutset up ...

2012

Vibrationally Bond-Selective Chemisorption of Methane Isotopologues on Pt(111) Studied by Reflection Absorption Infrared Spectroscopy

Li Chen

In this thesis, I describe the design and first applications of a new molecular-beam/surface-science ultra-high vacuum apparatus. The new machine combines rovibrational state-selective infrared pumping of gas-phase reactants with reflection absorption infr ...

EPFL2012

Bound and anti-bound biexciton in site-controlled pyramidal GaInAs/GaAs quantum dots

Elyahou Kapon, Alok Rudra, Benjamin Dwir, Pascal Gallo, Clément William Tendaï Jarlov, Milan Calic

We present a detailed study of biexciton complexes formed in single, site-controlled pyramidal GaInAs/GaAs quantum dots (QDs). By using power dependent measurements and photon correlation spectroscopy, we identify the excitonic transitions of a large numbe ...

American Institute of Physics2012

Heisenberg uncertainty principle as a probe of entanglement entropy: Application to superradiant quantum phase transitions

Pierre Marcel Nataf

Quantum phase transitions are often embodied by the critical behavior of purely quantum quantities such as entanglement or quantum fluctuations. In critical regions, we underline a general scaling relation between the entanglement entropy and one of the mo ...

Amer Physical Soc2012

Impact of biexcitons on the relaxation mechanisms of polaritons in III-nitride based multiple quantum well microcavities

Nicolas Grandjean, Jean-François Carlin, Benoît Marie Joseph Deveaud, Raphaël Butté, Eric Feltin, Jacques Levrat, Gabriel Christmann, Jean-Daniel Ganière, Pierre Michel Corfdir, Georg Rossbach

We report on the direct observation of biexcitons in a III-nitride based multiple quantum well microcavity operating in the strong light-matter coupling regime by means of nonresonant continuous wave and time-resolved photoluminescence at low temperature. ...

2012

Improving Sensitivity in Solid State NMR

Sensitivity in Nuclear Magnetic Resonance (NMR), especially in solid-state NMR, has always been a challenging and important issue and thus a motivation for new developments. The magnetic field B0, the gyromagnetic ratios of the observed nuclei, as well as ...

EPFL2012

One-dimensional exciton luminescence induced by extended defects in nonpolar GaN/(Al,Ga)N quantum wells

Nicolas Grandjean, Benoît Marie Joseph Deveaud, Raphaël Butté, Jacques Levrat, Pierre Stadelmann, Jean-Daniel Ganière, Denis Martin, Pierre Michel Corfdir, Tiankai Zhu, Yadira Arroyo Rojas Dasilva

In this study, we present the optical properties of nonpolar GaN/(Al,Ga)N single quantum wells (QWs) grown on either a- or m-plane GaN templates for Al contents set below 15%. In order to reduce the density of extended defects, the templates have been proc ...

Institute of Physics2011

Waveguide superconducting single-photon detectors for integrated quantum photonic circuits

Rosendo Sanjines, Alessandro Gaggero

The monolithic integration of single-photon sources, passive optical circuits, and single-photon detectors enables complex and scalable quantum photonic integrated circuits, for application in linear-optics quantum computing and quantum communications. Her ...

American Institute of Physics2011

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Cavity-Optomechanics with Silica Microtoroids

Pre-selection of optical transitions in rare-earth ions in crystals perspective for quantum information processing

Optimizing Quantize-Map-and-Forward Relaying for Gaussian Diamond Networks

Vibrationally Bond-Selective Chemisorption of Methane Isotopologues on Pt(111) Studied by Reflection Absorption Infrared Spectroscopy

Bound and anti-bound biexciton in site-controlled pyramidal GaInAs/GaAs quantum dots

Heisenberg uncertainty principle as a probe of entanglement entropy: Application to superradiant quantum phase transitions

Impact of biexcitons on the relaxation mechanisms of polaritons in III-nitride based multiple quantum well microcavities

Improving Sensitivity in Solid State NMR

One-dimensional exciton luminescence induced by extended defects in nonpolar GaN/(Al,Ga)N quantum wells

Waveguide superconducting single-photon detectors for integrated quantum photonic circuits

Cavity-Optomechanics with Silica Microtoroids

Optimizing Quantize-Map-and-Forward Relaying for Gaussian Diamond Networks

Vibrationally Bond-Selective Chemisorption of Methane Isotopologues on Pt(111) Studied by Reflection Absorption Infrared Spectroscopy

Bound and anti-bound biexciton in site-controlled pyramidal GaInAs/GaAs quantum dots

Heisenberg uncertainty principle as a probe of entanglement entropy: Application to superradiant quantum phase transitions

One-dimensional exciton luminescence induced by extended defects in nonpolar GaN/(Al,Ga)N quantum wells

Improving Sensitivity in Solid State NMR

Impact of biexcitons on the relaxation mechanisms of polaritons in III-nitride based multiple quantum well microcavities

Waveguide superconducting single-photon detectors for integrated quantum photonic circuits

Pre-selection of optical transitions in rare-earth ions in crystals perspective for quantum information processing