Observation of the quantum interference phenomenon induced by interacting dark resonances

被引：88

作者：

Chen, YC ^{[1
]}

Liao, YA ^{[1
]}

Chiu, HY ^{[1
]}

Su, JJ ^{[1
]}

Yu, IA ^{[1
]}

机构：

[1] Natl Tsing Hua Univ, Dept Phys, Hsinchu 300, Taiwan

来源：

PHYSICAL REVIEW A | 2001年 / 64卷 / 05期

关键词：

D O I：

10.1103/PhysRevA.64.053806

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report an experimental observation of narrow and high-contrast spectra. which are induced by interacting dark resonances and have been predicted in Phys. Rev. A 60, 3225 (1999). Spectra are measured with cold Rb-87 atoms produced by a magneto-optical trap. In this experimental system, a coupling laser and a weak probe laser form a three-level Lambda -type configuration of electromagnetically induced transparency (EIT); a microwave drives a magnetic-dipole transition between the fourth level and the ground state that is coupled with the excited state by the coupling laser. The observed spectral profile of probe absorption exhibits a very sharp peak emerging inside a narrow EIT dip. Such spectral feature provides more opportunities in manipulating atomic-optical response.

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页数：5

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