Polariton Boxes in a Tunable Fiber Cavity

Abstract

Cavity polaritons are elementary half-matter, half-light excitations trapped within a microcavity that exhibit unique properties useful both for probing fundamental physics and for producing novel applications. The authors present an all-optical confinement method for tuning the energy and lifetime of cavity polaritons based on a Fabry-Perot fiber cavity plus (In,Ga)As quantum wells. This system should enable not only the study of physical phenomena, such as polariton lasing and strongly correlated behavior, but also applications in optoelectronics and quantum photonics.