Coherent rovibrational revivals in a thermal molecular ensemble

被引：7

作者：

Bitter, M. ^{[1
,2
]}

Shapiro, E. A. ^{[3
]}

Milner, V. ^{[1
,2
]}

机构：

[1] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V5Z 1M9, Canada

[2] Univ British Columbia, LASIR, Vancouver, BC V5Z 1M9, Canada

[3] Univ British Columbia, Dept Chem, Vancouver, BC, Canada

来源：

PHYSICAL REVIEW A | 2012年 / 85卷 / 04期

关键词：

QUANTUM; DECOHERENCE; ALIGNMENT;

D O I：

10.1103/PhysRevA.85.043410

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report an experimental and theoretical study of the evolution of vibrational coherence in a thermal ensemble of nitrogen molecules. Rotational dephasing and rephasing of the vibrational coherence is detected by coherent anti-Stokes Raman scattering. The existence of rovibrational coupling and the discrete energy spectrum of the rotational bath lead to a whole new class of full and fractional rovibrational revivals. Following the rich rovibrational dynamics on a nanosecond time scale with subpicosecond time resolution enables us to determine the second-order rovibrational constant gamma(e) and assess new possibilities of controlling decoherence.

引用

页数：7

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