6533b86efe1ef96bd12cbc17

RESEARCH PRODUCT

Far-infrared laser on quantum dots created by electric-field focusing

Dorota JacakLucjan JacakLiliana BujkiewiczJ. Krasnyj

subject

Quantum opticsbusiness.industryChemistryQuantum point contactCavity quantum electrodynamicsCondensed Matter::Mesoscopic Systems and Quantum Hall EffectCondensed Matter PhysicsAtomic and Molecular Physics and OpticsSurfaces Coatings and FilmsElectronic Optical and Magnetic MaterialsQuantum dotQuantum dot laserElectro-absorption modulatorOptoelectronicsElectrical and Electronic EngineeringQuantum-optical spectroscopybusinessQuantum well

description

The new proposal of a far-infrared laser employing intraband transitions in the system of quantum dots is briefly described. The conditions for inversion of population for electrons in the quantum dot matrix created by an electric-field focusing in narrow GaAs/AlGaAs quantum well are discussed. The laser is planned to be pumped by periodically repeated rapid creation and destruction of the quantum dot matrix allowing for repeated filling of the dot levels with electrons from a quantum well. Some major results of the analysis of the kinetics of the electron-photon system are presented.

https://doi.org/10.1016/s0167-9317(03)00299-5