Alexios Beveratos

Mesoscopic cavity-QED: the physics behind off-resonant cavity excitation by a single quantum dot (2009)

Winger, Martin, Volz, Thomas, Tarel, Guillaume, Portolan, Stefano, Badolato, Antonio, Hennessy, Kevin, ...

Cavity quantum-electrodynamics experiments using an atom coupled to a single radiation-field mode have played a central role in testing foundations of quantum mechanics, thus motivating solid-state...

Room temperature spontaneous emission enhancement from quantum dots in photonic crystal slab cavities in the telecommunications C-band (2009)

Hostein, Richard, Braive, Rémy, Larqué, Matthieu, Lee, Ko-Hsin, Talneau, Anne, Gratiet, Luc Le, ...

We report on the control of the spontaneous emission dynamics from InAsP self-assembled quantum dots emitting in the telecommunications C-band and weakly coupled to the mode of a double...

Optimizing H1 cavities for the generation of entangled photon pairs (2009)

Larqué, Matthieu, Karle, Timothy, Robert-Philip, Isabelle, Beveratos, Alexios

We report on the theoretical investigation of photonic crystal cavities etched on a suspended membrane for the generation of polarization entangled photon pairs using the biexciton cascade in a...

Optimizing H1 cavities for the generation of entangled photon pairs (2009)

Larqué, Matthieu, Karle, Timothy, Robert-Philip, Isabelle, Beveratos, Alexios

We report on the theoretical investigation of photonic crystal cavities etched on a suspended membrane for the generation of polarization entangled photon pairs using the biexciton cascade in a...

Transient chirp in high speed photonic crystal quantum dots lasers with controlled spontaneous emission (2009)

Braive, Remy, Barbay, Sylvain, Sagnes, Isabelle, Miard, Audrey, Robert-Philip, Isabelle, Beveratos, Alexios

We report on a series of experiments on the dynamics of spontaneous emission controlled nanolasers. The laser cavity is a photonic crystal slab cavity, embedding self-assembled quantum dots as gain...

Transient chirp in high speed photonic crystal quantum dots lasers with controlled spontaneous emission (2009)

Braive, Remy, Barbay, Sylvain, Sagnes, Isabelle, Miard, Audrey, Robert-Philip, Isabelle, Beveratos, Alexios

We report on a series of experiments on the dynamics of spontaneous emission controlled nanolasers. The laser cavity is a photonic crystal slab cavity, embedding self-assembled quantum dots as gain...

Room temperature spontaneous emission enhancement from quantum dots in photonic crystal slab cavities in the telecommunications C-band (2009)

Hostein, Richard, Braive, Rémy, Larqué, Matthieu, Lee, Ko-Hsin, Talneau, Anne, Le Gratiet, Luc, ...

We report on the control of the spontaneous emission dynamics from InAsP self-assembled quantum dots emitting in the telecommunications C-band and weakly coupled to the mode of a double...

Room temperature spontaneous emission enhancement from quantum dots in photonic crystal slab cavities in the telecommunications C-band (2009)

Hostein, Richard, Braive, Rémy, Larqué, Matthieu, Lee, Ko-Hsin, Talneau, Anne, Le Gratiet, Luc, ...

We report on the control of the spontaneous emission dynamics from InAsP self-assembled quantum dots emitting in the telecommunications C-band and weakly coupled to the mode of a double...

Transient chirp in high speed photonic crystal quantum dots lasers with controlled spontaneous emission (2008)

Braive, Remy, Barbay, Sylvain, Sagnes, Isabelle, Miard, Audrey, Robert-Philip, Isabelle, Beveratos, Alexios

We report on a series of experiments on the dynamics of spontaneous emission controlled nanolasers. The laser cavity is a photonic crystal slab cavity, embedding self-assembled quantum dots as gain...

Optimizing H1 cavities for the generation of entangled photon pairs (2008)

Larqué, Matthieu, Karle, Timothy, Robert-Philip, Isabelle, Beveratos, Alexios

We report on the theoretical investigation of photonic crystal cavities etched on a suspended membrane for the generation of polarization entangled photon pairs using the biexciton cascade in a...

Time-Resolved characterization of InAsP/InP quantum dots emitting in the C-band telecommunication window (2008)

Hostein, Richard, Michon, Adrien, Beaudoin, Gregoire, Gogneau, Noelle, Patriache, Gilles, Marzin, Jean-Yves, ...

The dynamic response of InAsP quantum dots grown on InP(001) substrates by low-pressure Metalorganic Vapor Phase Epitaxy emitting around 1.55 $\mu$m, is investigated by means of time-resolved...

Bell inequalities and density matrix for polarization entangled photons out of a two-photon cascade in a single quantum dot (2008)

Larqué, Matthieu, Robert-Philip, Isabelle, Beveratos, Alexios

We theoretically investigate the joint photodetection probabilities of the biexciton-exciton cascade in single semiconductor quantum dots and analytically derive the density matrix and the Bell's...

Bell inequalities for polarization entangled photons out of a two-photon cascade in a single quantum dot (2008)

Larqué, Matthieu, Robert-Philip, Isabelle, Beveratos, Alexios

We theoretically investigate the conditions for Bell's inequalities violation by use of polarization-entangled photons from the biexciton radiative cascade in a semiconductor quantum dot. Our model...

Bell inequalities for polarization entangled photons out of a two-photon cascade in a single quantum dot (2008)

Larqué, Matthieu, Robert-Philip, Isabelle, Beveratos, Alexios

We theoretically investigate the conditions for Bell's inequalities violation by use of polarization-entangled photons from the biexciton radiative cascade in a semiconductor quantum dot. Our model...

Entangling single photons on a beamsplitter (2008)

Larqué, Matthieu, Beveratos, Alexios, Robert-Philip, Isabelle

We report on a scheme for the creation of time-bin entangled states out of two subsequent single photons. Both photons arrive on the same input port of a beamsplitter and the situation in which the...

Entangling single photons on a beamsplitter (2008)

Larqué, Matthieu, Beveratos, Alexios, Robert-Philip, Isabelle

We report on a scheme for the creation of time-bin entangled states out of two subsequent single photons. Both photons arrive on the same input port of a beamsplitter and the situation in which the...

Entangling single photons on a beamsplitter (2008)

Larqué, Matthieu, Beveratos, Alexios, Robert-Philip, Isabelle

We report on a scheme for the creation of time-bin entangled states out of two subsequent single photons. Both photons arrive on the same input port of a beamsplitter and the situation in which the...

Bell inequalities and density matrix for polarization entangled photons out of a two-photon cascade in a single quantum dot (2008)

Larqué, Matthieu, Robert-Philip, Isabelle, Beveratos, Alexios

We theoretically investigate the joint photodetection probabilities of the biexciton-exciton cascade in single semiconductor quantum dots and analytically derive the density matrix and the Bell's...

Bell inequalities and density matrix for polarization entangled photons out of a two-photon cascade in a single quantum dot (2008)

Larqué, Matthieu, Robert-Philip, Isabelle, Beveratos, Alexios

We theoretically investigate the joint photodetection probabilities of the biexciton-exciton cascade in single semiconductor quantum dots and analytically derive the density matrix and the Bell's...

Time-Resolved characterization of InAsP/InP quantum dots emitting in the C-band telecommunication window (2008)

Hostein, Richard, Michon, Adrien, Beaudoin, Gregoire, Gogneau, Noelle, Patriache, Gilles, Marzin, Jean-Yves, ...

The dynamic response of InAsP quantum dots grown on InP(001) substrates by low-pressure Metalorganic Vapor Phase Epitaxy emitting around 1.55 $\mu$m, is investigated by means of time-resolved...

Time-Resolved characterization of InAsP/InP quantum dots emitting in the C-band telecommunication window (2008)

Hostein, Richard, Michon, Adrien, Beaudoin, Gregoire, Gogneau, Noelle, Patriache, Gilles, Marzin, Jean-Yves, ...

The dynamic response of InAsP quantum dots grown on InP(001) substrates by low-pressure Metalorganic Vapor Phase Epitaxy emitting around 1.55 $\mu$m, is investigated by means of time-resolved...

High coherence photon pair source for quantum communication (2007)

Halder, Matthaeus, Beveratos, Alexios, Thew, Rob T, Jorel, Corentin, Zbinden, Hugo, Gisin, Nicolas

This paper reports a novel single mode source of narrow-band entangled photon pairs at telecom wavelengths under continuous wave excitation, based on parametric down conversion. For only 7 mW of pump...

Entangling Independent Photons by Time Measurement (2007)

Halder, Matthaeus, Beveratos, Alexios, Gisin, Nicolas, Scarani, Valerio, Simon, Christoph, Zbinden, Hugo

A quantum system composed of two or more subsystems can be in an entangled state, i.e. a state in which the properties of the global system are well defined but the properties of each subsystem are...

Quantum teleportation over the Swisscom telecommunication network (2006)

Landry, Olivier, Beveratos, Alexios, Zbinden, Hugo, Gisin, Nicolas

We present a quantum teleportation experiment in the quantum relay configuration using the installed telecommunication network of Swisscom. In this experiment, the Bell state measurement occurs well...

Réalisation expérimentale d'une source de photons uniques par fluorescence de centres colorés individuels dans le diamant ; application à la cryptographie quantique (2005)

Beveratos, Alexios

L'échange sécurisé d'une clé secrète entre deux interlocuteurs est une tâche compliquée. Dans un monde « classique », il n'est pas possible de garantir qu'un espion n'a pas effectué une...

High quality asynchronous heralded single photon source at telecom wavelength (2004)

Fasel, Sylvain, Alibart, Olivier, Beveratos, Alexios, Tanzilli, Sebastien, Zbinden, Hugo, Baldi, Pascal, ...

We report on the experimental realization and characterization of an asynchronous heralded single photon source based on spontaneous parametric down conversion. Photons at 1550nm are heralded as...

Experimental open air quantum key distribution with a single photon source (2004)

Alleaume, Romain, Treussart, Francois, Messin, Gaetan, Dumeige, Yannick, Roch, Jean-Francois, Beveratos, Alexios, ...

We present a full implementation of a quantum key distribution (QKD) system with a single photon source, operating at night in open air. The single photon source at the heart of the functional and...

Experimental open air quantum key distribution with a single photon source (2004)

Alléaume, Romain, Treussart, François, Messin, Gaétan, Dumeige, Yannick, Roch, Jean-François, Beveratos, Alexios, ...

We present a full implementation of a quantum key distribution (QKD) system with a single photon source, operating at night in open air. The single photon source at the heart of the functional and...

Experimental open air quantum key distribution with a single photon source (2004)

Alléaume, Romain, Treussart, François, Messin, Gaétan, Dumeige, Yannick, Roch, Jean-François, Beveratos, Alexios, ...

We present a full implementation of a quantum key distribution (QKD) system with a single photon source, operating at night in open air. The single photon source at the heart of the functional and...

Experimental open air quantum key distribution with a single photon source (2004)

Alléaume, Romain, Treussart, François, Messin, Gaétan, Dumeige, Yannick, Roch, Jean-François, Beveratos, Alexios, ...

We present a full implementation of a quantum key distribution (QKD) system with a single photon source, operating at night in open air. The single photon source at the heart of the functional and...

Experimental open air quantum key distribution with a single photon source (2004)

Alléaume, Romain, Treussart, François, Messin, Gaétan, Dumeige, Yannick, Roch, Jean-François, Beveratos, Alexios, ...

We present a full implementation of a quantum key distribution (QKD) system with a single photon source, operating at night in open air. The single photon source at the heart of the functional and...

Réalisation expérimentale d'une source de photons uniques par fluorescence de centres colorés individuels dans le diamant ; application à la cryptographie quantique (2002)

Beveratos, Alexios

L'échange sécurisé d'une clé secrète entre deux interlocuteurs est une tâche compliquée. Dans un monde « classique », il n'est pas possible de garantir qu'un espion n'a pas effectué une...

Réalisation expérimentale d'une source de photons uniques par fluorescence de centres colorés individuels dans le diamant ; application à la cryptographie quantique (2002)

Beveratos, Alexios

L'échange sécurisé d'une clé secrète entre deux interlocuteurs est une tâche compliquée. Dans un monde « classique », il n'est pas possible de garantir qu'un espion n'a pas effectué une...

Réalisation expérimentale d'une source de photons uniques par fluorescence de centres colorés individuels dans le diamant ; application à la cryptographie quantique (2002)

Beveratos, Alexios

L'échange sécurisé d'une clé secrète entre deux interlocuteurs est une tâche compliquée. Dans un monde « classique », il n'est pas possible de garantir qu'un espion n'a pas effectué une...

Single photon quantum cryptography (2002)

Beveratos, Alexios, Brouri, Rosa, Gacoin, Thierry, Villing, Andre, Poizat, Jean-Philippe, Grangier, Philippe

We report the full implementation of a quantum cryptography protocol using a stream of single photon pulses generated by a stable and efficient source operating at room temperature. The single photon...

Réalisation expérimentale d'une source de photons uniques par fluorescence de centres colorés individuels dans le diamant ; application à la cryptographie quantique (2002)

Beveratos, Alexios

L'échange sécurisé d'une clé secrète entre deux interlocuteurs est une tâche compliquée. Dans un monde « classique », il n'est pas possible de garantir qu'un espion n'a pas effectué une...

Réalisation expérimentale d'une source de photons uniques par fluorescence de centres colorés individuels dans le diamant ; application à la cryptographie quantique (2002)

Beveratos, Alexios

L'échange sécurisé d'une clé secrète entre deux interlocuteurs est une tâche compliquée. Dans un monde « classique », il n'est pas possible de garantir qu'un espion n'a pas effectué une...

Réalisation expérimentale d'une source de photons uniques par fluorescence de centres colorés individuels dans le diamant ; application à la cryptographie quantique (2002)

Beveratos, Alexios

L'échange sécurisé d'une clé secrète entre deux interlocuteurs est une tâche compliquée. Dans un monde « classique », il n'est pas possible de garantir qu'un espion n'a pas effectué une...

Room temperature stable single-photon source (2001)

Beveratos, Alexios, Kuehn, Sergei, Brouri, Rosa, Gacoin, Thierry, Poizat, Jean-Philippe, Grangier, Philippe

We report on the realization of a stable solid state room temperature source for single photons. It is based on the fluorescence of a single nitrogen-vacancy (NV) color center in a diamond...

Nonclassical radiation from diamond nanocrystals (2001)

Beveratos, Alexios, Brouri, Rosa, Gacoin, Thierry, Poizat, Jean-Philippe, Grangier, Philippe

The quantum properties of the fluorescence light emitted by diamond nanocrystals containing a single nitrogen-vacancy (NV) colored center is investigated. We have observed photon antibunching with...

Photon antibunching in the fluorescence of individual color centers in diamond (2000)

Brouri, Rosa, Beveratos, Alexios, Poizat, Jean-Philippe, Grangier, Philippe

We have observed photon antibunching in the fluorescence light emitted from a single N-V center in diamond at room temperature. The possibility of generating triggerable single photons with such a...

Single photon generation by pulsed excitation of a single dipole (2000)

Brouri, Rosa, Beveratos, Alexios, Poizat, Jean-Philippe, Grangier, Philippe

The fluorescence of a single dipole excited by an intense light pulse can lead to the generation of another light pulse containing a single photon. The influence of the duration and energy of the...