Observation of ultraslow and stored light pulses in a solid

被引:788
作者
Turukhin, AV
Sudarshanam, VS
Shahriar, MS
Musser, JA
Ham, BS
Hemmer, PR
机构
[1] MIT, Elect Res Lab, Cambridge, MA 02139 USA
[2] Texas A&M Univ, College Stn, TX 77843 USA
[3] Elect & Telecommun Res Inst, Ctr Quantum Coherence & Commun, Taejon 305350, South Korea
[4] USAF, Res Lab, Sensors Directorate, Hanscom AFB, MA 01731 USA
关键词
D O I
10.1103/PhysRevLett.88.023602
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We report ultraslow group velocities of light in an optically dense crystal of Pr doped Y2SiO5. Light speeds as slow as 45 m/s were observed, corresponding to a group delay of 66 mus. Deceleration and "stopping" or trapping of the light pulse was also observed. These reductions of the group velocity are accomplished by using a sharp spectral feature in absorption and dispersion that is produced by resonance Raman excitation of a ground-state spin coherence.
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页数:4
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