publication . Article . 2017

Optical Line Width Broadening Mechanisms at the 10 kHz Level in Eu3+:Y2O3 Nanoparticles

John G. Bartholomew; Karmel de Oliveira Lima; Alban Ferrier; Philippe Goldner;
Open Access
  • Published: 18 Jan 2017
  • Country: United States
Abstract
We identify the physical mechanisms responsible for the optical homogeneous broadening in Eu^(3+):Y_2O_3 nanoparticles to determine whether rare-earth crystals can be miniaturized to volumes less than λ^3 while preserving their appeal for quantum technology hardware. By studying how the homogeneous line width depends on temperature, applied magnetic field, and measurement time scale, the dominant broadening interactions for various temperature ranges above 3 K were characterized. Below 3 K the homogeneous line width is dominated by an interaction not observed in bulk crystal studies. These measurements demonstrate that broadening due to size-dependent phonon int...
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Subjects
free text keywords: rare earth, quantum technologies, nanoqtech, nanoparticles, coherence lifetime, Mechanical Engineering, General Materials Science, Bioengineering, General Chemistry, Condensed Matter Physics, Crystal, Molecular physics, Materials science, Nanoparticle, Coherent spectroscopy, Phonon, Homogeneous broadening, Ion, Magnetic field, Nanocrystal, Optics, business.industry, business
Funded by
EC| NanOQTech
Project
NanOQTech
Nanoscale Systems for Optical Quantum Technologies
  • Funder: European Commission (EC)
  • Project Code: 712721
  • Funding stream: H2020 | RIA
Validated by funder
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