dorsal/arxiv
View SchemaLocal field effects on the radiative lifetimes of Ce$^{3+}$ in different hosts
| Authors | Chang-Kui Duan, Michael F. Reid |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0505182 |
| URL | https://arxiv.org/abs/quant-ph/0505182 |
| DOI | 10.1016/j.cap.2005.11.016 |
| Journal | Current Applied Physics 6, 348-350 (2006) |
Abstract
For emitters embedded in media of various refractive indices, different theoretical models predicted substantially different dependencies of the spontaneous emission lifetime on refractive index. It has been claimed that various measurements on $4f\to 4f$ radiative transition of Eu$^{3+}$ in hosts with variable refractive index appear to favor the real-cavity model [J. Fluoresc. 13, 201 (2003) and references therein, Phys. Rev. Lett. 91, 203903 (2003)]. We notice that $5d\to 4f$ radiative transition of rare-earth ions, dominated by allowed electric-dipole transitions with line strengths less perturbed by the ligands, serves as a better test of different models. We analyze the lifetimes of $5d\to 4f$ transition of Ce$^{3+}$ in hosts of refractive indices varying from 1.4 to 2.2. The results favor the macroscopic virtual-cavity model based on Lorentz local field [J. Fluoresc. 13, 201 (2003)].
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"abstract": "For emitters embedded in media of various refractive indices, different\ntheoretical models predicted substantially different dependencies of the\nspontaneous emission lifetime on refractive index. It has been claimed that\nvarious measurements on $4f\\to 4f$ radiative transition of Eu$^{3+}$ in hosts\nwith variable refractive index appear to favor the real-cavity model [J.\nFluoresc. 13, 201 (2003) and references therein, Phys. Rev. Lett. 91, 203903\n(2003)]. We notice that $5d\\to 4f$ radiative transition of rare-earth ions,\ndominated by allowed electric-dipole transitions with line strengths less\nperturbed by the ligands, serves as a better test of different models. We\nanalyze the lifetimes of $5d\\to 4f$ transition of Ce$^{3+}$ in hosts of\nrefractive indices varying from 1.4 to 2.2. The results favor the macroscopic\nvirtual-cavity model based on Lorentz local field [J. Fluoresc. 13, 201\n(2003)].",
"arxiv_id": "quant-ph/0505182",
"authors": [
"Chang-Kui Duan",
"Michael F. Reid"
],
"categories": [
"quant-ph"
],
"doi": "10.1016/j.cap.2005.11.016",
"journal_ref": "Current Applied Physics 6, 348-350 (2006)",
"title": "Local field effects on the radiative lifetimes of Ce$^{3+}$ in different hosts",
"url": "https://arxiv.org/abs/quant-ph/0505182"
},
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