Electrically controlled mutual interactions of flying waveguide dipolaritons

Article

关键词: EXCITON-EXCITON SCATTERING;    BOSE-EINSTEIN CONDENSATION;    MICROCAVITY POLARITONS;    DYNAMICS;   

DOI  :  10.1103/PhysRevB.93.195151

来源: SCIE

【 摘 要 】

We show that, with a system of electrically gated wide quantum wells embedded inside a simple dielectric waveguide structure, it is possible to excite, control, and observe waveguided exciton polaritons that carry an electric dipole moment. We demonstrate that the energy of the propagating dipolariton can be easily tuned using local electrical gates, that their excitation and extraction can be easily done using simple evaporated metal gratings, and that the dipolar interactions between polaritons and between polaritons and excitons can also be controlled by the applied electric fields. This system of gated flying dipolaritons thus exhibits the ability to locally control both the single polariton properties as well as the interactions between polaritons, which should open up opportunities for constructing complex polaritonic circuits and for studying strongly interacting, correlated polariton gases.

【 授权许可】

Free