Grégory Chilpéric Sallen

Cette personne n’est plus à l’EPFL

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Publications associées (4)

Reservoir-induced decoherence of resonantly excited confined polaritons

Benoît Marie Joseph Deveaud, François Morier-Genoud, Daniel Oberli, Marcia Portella Oberli, Grégory Chilpéric Sallen, Claudéric Ouellet-Plamondon

We report on the effect of decoherence on polariton bistability. The polariton hysteresis loop is shown to collapse in a similar way when increasing the temperature or under nonresonant excitation power. The hysteresis upward threshold is pulled to lower e ...

Amer Physical Soc2017

Spatial multistability induced by cross interactions of confined polariton modes

Benoît Marie Joseph Deveaud, François Morier-Genoud, Daniel Oberli, Marcia Portella Oberli, Grégory Chilpéric Sallen, Claudéric Ouellet-Plamondon

We demonstrate the occurrence of spatial multistability using laterally confined microcavity exciton-polaritons. By coherently exciting with a blue detuned laser a series of confined polariton modes, we investigate the effects of multistability on the tran ...

Amer Physical Soc2016

Effect of a noisy driving field on a bistable polariton system

Benoît Marie Joseph Deveaud, François Morier-Genoud, Marcia Portella Oberli, Hadis Abbaspour, Stéphane Trebaol, Grégory Chilpéric Sallen

We report on the effect of noise on the characteristics of the bistable polariton emission system. The present experiment provides a time-resolved access to the polariton emission intensity. We evidence the noise-induced transitions between the two stable ...

American Physical Society2015

Multiple polariton modes originating from the coupling of quantum wells in planar microcavity

Benoît Marie Joseph Deveaud, Daniel Oberli, Grégory Chilpéric Sallen, Claudéric Ouellet-Plamondon, Fauzia Jabeen

We report on the observation of multiple polariton modes, originating from an electronic coupling between quantum wells inside a planar microcavity. A series of excitonic transitions are measured for a bare quantum well stack and are precisely identified t ...

American Physical Society2015

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