Title :
Charged exciton linewidth narrowing via nuclear spin screening in an InAs QD ensemble
Author :
Moody, Galan ; Mingming Feng ; McDonald, Corey ; Mirin, Richard P. ; Silverman, Kevin L.
Author_Institution :
Nat. Inst. of Stand. & Technol., Boulder, CO, USA
Abstract :
Differential transmission spectroscopy of InAs QDs reveals that the positively charged exciton homogeneous linewidth is broadened by the electron hyperfine interaction. Application of a Faraday magnetic field screens the interaction, narrowing the linewidth by 25%.
Keywords :
Faraday effect; III-V semiconductors; excitons; hyperfine interactions; indium compounds; nuclear spin; quantum computing; quantum optics; semiconductor quantum dots; Faraday magnetic field; InAs; QD ensemble; charged exciton linewidth narrowing; differential transmission spectroscopy; electron hyperfine interaction; exciton homogeneous linewidth; nuclear spin screening; quatnum detectors; qubit; Couplings; Excitons; Magnetic fields; Nonlinear optics; Optical pumping; Probes; Spectroscopy;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
