Solid-State Cavity Quantum Electrodynamics Using Quantum Dots
Jean‐Michel Gérard, B. Gayral, Emmanuel Moreau, I. Robert, I. I. Abram · Acta Physica Polonica A · 2001
o f Sem icond uct i ng Co m p ou n ds, Ja szo wi ec 200 1 Soli d -St at e C a v it y Q u antu m Ele ct ro d y n am ic s Us in g Qu antu m Dots J.M. G Ç er ar d , B. Ga yra l , E. M ore a u, I. Rober t an d I.A bra m CN R S/ L ab ora to i r e de P ho to ni que et de Na nostru ctures 196 a v. H. Ra vera, 92225 Ba gneu x Cedex, Fra nce W e re view t he re cent development of solid -st ate cavit y quantum electrodynamics usin g single self-assembled I nA s quantum dots and three-dimensional semiconductor micro caviti es.W e discuss Ùrst prosp ects for observing a strong coupli ng regime for single quantum dots.W e then demonstrate that the strong Purcell e˜ect observed for single quantum dots in the weak coupling regime allow s us to prepare emitted photons in a given state (the same spatial mo de, the same polari zati on ).W e present Ùnally the Ùrst single-mo de solid-state source of single photons, based on an isolated quantum dot in a pilla r micro cavi ty .T his opto electron ic device, the Ùrst ever to rely on a cavity quantum electro dynami cs e˜ect, exploits b oth Coulomb interaction b etw een trapp ed carriers in a single quantum dot and single mo de photon funnelin g by the micro cavity .