Published May 11, 2020
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Journal article
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Mechanical tunability of an ultra-narrow spectral feature with uniaxial stress
Creators
- 1. Univ. Grenoble Alpes, CNRS, Grenoble INP and Institut Néel, 38000 Grenoble, France
- 2. LNE-SYRTE, Observatoire de Paris, Universit ́e PSL, CNRS, Sorbonne Université, Paris, France
- 3. Chimie ParisTech, Université PSL, CNRS, Institut de Recherche de Chimie Paris, 75005 Paris, France
Description
Rare-earth doped crystals have numerous applications ranging from frequency metrology to quan- tum information processing. To fully benefit from their exceptional coherence properties, the effect of mechanical strain on the energy levels of the dopants - whether it is a resource or perturbation - needs to be considered. We demonstrate that by applying uniaxial stress to a rare-earth doped crystal containing a spectral hole, we can shift the hole by a controlled amount that is larger than the width of the hole. We deduce the sensitivity of Eu3+ ions in an Y2SiO5 matrix as a function of crystal site and the crystalline axis along which the stress is applied.
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