Condensation of polaritons through optical confinement: Increased coherence and reduced threshold

Author

Askitopopulos, A. ; Ohadi, H. ; Hatzopoulos, Z. ; Savvidis, P.G. ; Kavokin, A.V. ; Lagoudakis, P.G.

Author_Institution

Sch. of Phys. & Astron., Univ. of Southampton, Southampton, UK

fYear

2013

fDate

9-14 June 2013

Firstpage

1

Lastpage

2

Abstract

We report on a fully optically confined exciton-polariton condensate, spatially separated from the pump induced excitonic reservoir and analyze its formation process. The optically trapped condensate exhibits higher coherence features and an order of magnitude lower excitation density threshold with respect to previous excitation schemes as a result of the reduction of dephasing and depletion mechanisms associated with the interaction with the reservoir.

Keywords

condensation; excitons; optical pumping; polaritons; radiation pressure; coherence features; dephasing mechanism reduction; depletion mechanism reduction; excitation density threshold; formation process; fully optically confined exciton-polariton condensate; optical confinement; optically trapped condensate; order of magnitude; polariton condensation; pump induced excitonic reservoir; threshold reduction; Educational institutions; Microcavities; Optical filters; Optical imaging; Optical pumping; Physics; Reservoirs;

fLanguage

English

Publisher

ieee

Conference_Titel

Lasers and Electro-Optics (CLEO), 2013 Conference on

Conference_Location

San Jose, CA

Type

conf

Filename

6833203