Observation of Fano-Type Interference in a Coupled Cavity-Atom System
Article
Cheng, Y, Tan, Z, Wang, J et al. (2016). Observation of Fano-Type Interference in a Coupled Cavity-Atom System
. CHINESE PHYSICS LETTERS, 33(1), 10.1088/0256-307X/33/1/014202
Cheng, Y, Tan, Z, Wang, J et al. (2016). Observation of Fano-Type Interference in a Coupled Cavity-Atom System
. CHINESE PHYSICS LETTERS, 33(1), 10.1088/0256-307X/33/1/014202
We present the experimental observation of the Fano-type interference in a coupled cavity-atom system by confining the laser-cooled 85Rb atoms in an optical cavity. The asymmetric Fano profile is obtained through quantum interference in a three-level atomic system coherently coupled to a single mode cavity field. The observed Fano profile can be explained by the interference between the intra-cavity dark state and the polariton state of the coupled cavityatom system. The possible applications of our observations include all-optical switching, optical sensing and narrow band optical filters.