六水硝酸铕晶体的高分辨率光谱学研究

IF 3.6 3区物理与天体物理 Q2 OPTICS

Journal of Luminescence Pub Date : 2025-09-05 DOI:10.1016/j.jlumin.2025.121500

Federico Chiossi, Diana Serrano, Alexey Tiranov, Philippe Goldner

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引用次数: 0

摘要

本文报道了在50 mK下对六水硝酸铕晶体Eu(NO3)⋅3 6H2O及其氘化版本Eu(NO3)⋅3 6D2O进行的光学研究。晶体在F07↔5D0上显示出低于ghz的不均匀线宽，非氘化晶体的光学相干时间高达136 μs，氘化晶体的光学相干时间高达750 μs。此外，利用光谱孔燃烧技术，估计了在没有外场的情况下，在地面和光学水平上的超细分裂。这些结果表明，稀土硝酸盐晶体可以代表量子信息应用以及需要窄光学跃迁和良好相干性的基础物理实验中有前途的一类材料。

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High-resolution optical spectroscopy of europium nitrate hexahydrate crystals

We report the optical study of europium nitrate hexahydrate crystals Eu(NO₃)

{}_{3}\cdot

6H₂O and their deuterated version Eu(NO₃)

{}_{3}\cdot

6D₂O conducted at 50 mK. The crystals show sub-GHz inhomogeneous linewidths for the

{}^{7}F_{0} \leftrightarrow^{5} D_{0}

transition and optical coherence times up to 136 μs for the non-deuterated crystal and 750 μs for the deuterated one. In addition, using the spectral hole burning technique, the hyperfine splittings in the absence of an external field have been estimated for the ground and optical levels. These results suggest that rare-earth nitrate crystals could represent a promising class of materials for quantum information applications as well as for fundamental physics experiments requiring narrow optical transitions and good coherence properties.

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来源期刊

Journal of Luminescence 物理-光学

CiteScore

6.70

自引率

13.90%

发文量

850

审稿时长

3.8 months

期刊介绍： The purpose of the Journal of Luminescence is to provide a means of communication between scientists in different disciplines who share a common interest in the electronic excited states of molecular, ionic and covalent systems, whether crystalline, amorphous, or liquid. We invite original papers and reviews on such subjects as: exciton and polariton dynamics, dynamics of localized excited states, energy and charge transport in ordered and disordered systems, radiative and non-radiative recombination, relaxation processes, vibronic interactions in electronic excited states, photochemistry in condensed systems, excited state resonance, double resonance, spin dynamics, selective excitation spectroscopy, hole burning, coherent processes in excited states, (e.g. coherent optical transients, photon echoes, transient gratings), multiphoton processes, optical bistability, photochromism, and new techniques for the study of excited states. This list is not intended to be exhaustive. Papers in the traditional areas of optical spectroscopy (absorption, MCD, luminescence, Raman scattering) are welcome. Papers on applications (phosphors, scintillators, electro- and cathodo-luminescence, radiography, bioimaging, solar energy, energy conversion, etc.) are also welcome if they present results of scientific, rather than only technological interest. However, papers containing purely theoretical results, not related to phenomena in the excited states, as well as papers using luminescence spectroscopy to perform routine analytical chemistry or biochemistry procedures, are outside the scope of the journal. Some exceptions will be possible at the discretion of the editors.