Measurement of the ground-state hyperfine coherence time of 151Eu3+ : Y2SiO5

被引：31

作者：

Alexander, Annabel L. ^{[1
]}

Longdell, Jevon J. ^{[1
]}

Sellars, Matthew J. ^{[1
]}

机构：

[1] Australian Natl Univ, Res Sch Phys Sci & Engn, Laser Phys Ctr, Canberra, ACT 0200, Australia

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2007年 / 24卷 / 09期

关键词：

D O I：

10.1364/JOSAB.24.002479

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on Raman echo measurements of the Eu-151(3+):y(2)SiO(5) ground-state hyperfine transition. Using Raman echoes in zero magnetic field the ground-state hyperfine coherence time was observed to be (15.5 +/- 2) ms. When an external magnetic field was applied, the dephasing time of the hyperfine transition was observed to decay nonexponentially, with a decay rate of (36 4) ms. This nonexponential decay is indicative of the presence of spectral diffusion, similar to that observed in Pr3+:y(2)SiO(5). This work indicates that under favorable conditions we can expect hyperfine coherence times longer than the value of 30 s recently reported in Pr3+Y2SiO5. (C) 2007 Optical Society of America.

引用

页码：2479 / 2482

页数：4

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