Direct evidence of Rabi oscillations and antiresonance in a strongly coupled organic microcavity

被引：11
|
作者：
Rajendran, S. K. [1 ]
Wang, W. [2 ,3 ]
Brida, D. [1 ,4 ,5 ]
De Sio, A. [2 ,3 ]
Sommer, E. [2 ,3 ]
Vogelgesang, R. [2 ,3 ]
Coles, D. [6 ]
Lidzey, D. G.
Cerullo, G. [1 ]
Lienau, C. [2 ,3 ]
Virgili, T. [1 ]
机构：
[1] Politecn Milan, CNR, Ist Foton & Nanotecnol, Dipartimento Fis, I-20133 Milan, Italy
[2] Carl von Ossietzky Univ Oldenburg, Inst Phys, D-26111 Oldenburg, Germany
[3] Carl von Ossietzky Univ Oldenburg, Ctr Interface Sci, D-26111 Oldenburg, Germany
[4] Univ Konstanz, Dept Phys, D-78457 Constance, Germany
[5] Univ Konstanz, Ctr Appl Photon, D-78457 Constance, Germany
[6] Univ Sheffield, Dept Phys & Astron, Sheffield S3 7RH, S Yorkshire, England
来源：
PHYSICAL REVIEW B | 2015年 / 91卷 / 20期
基金：
英国工程与自然科学研究理事会;
关键词：
BOSE-EINSTEIN CONDENSATION; SEMICONDUCTOR MICROCAVITIES; POLARITON-RELAXATION; EXCITON POLARITONS; NANOSTRUCTURES; DYNAMICS; EMISSION; EXCHANGE;
D O I：
10.1103/PhysRevB.91.201305
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report the direct observation of 30-fs period Rabi oscillations between excitons and cavity photons in a strongly coupled J-aggregate microcavity by means of time-resolved up-conversion and spectral interferometry measurements. The time structure of the transmitted electric field, measured by linear spectral interferometry, shows pronounced ultrafast beats. Its spectral phase reveals a distinct signature caused by destructive interference between the coherent drive and the field radiated by the exciton. This antiresonance selectively probes the uncoupled exciton excitation, and its observation uncovers the coherent and ultrafast exchange of energy between the optically excited cavity and the J-aggregate excitons, as confirmed by transfer matrix calculations.
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页数：6
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