Optical Absorption of an Quantum Wells in Terahertz Plasmonic Microcavity

doi:10.3969/j.issn.1007-2985.2014.01.008

journal6 ›› 2014, Vol. 35 ›› Issue (1): 29-35.DOI: 10.3969/j.issn.1007-2985.2014.01.008

• Physics and electrical engineering • Previous Articles Next Articles

Optical Absorption of an Quantum Wells in Terahertz Plasmonic Microcavity

MI Xian-Wu, MENG Fan-Bin, WU Hong-Wei

(1.College of Physical Science and Mechanical Engineering,Jishou University,Jishou 416000,Hunan China;2.Department of Physics and Information Engineering,Huaihua College,Huaihua 418000,Hunan China)

Online:2014-01-25 Published:2014-01-25
About author:Mi Xianwu(1973-),male,was born in Hunan,China,received the microelectronics and solid state electronics Ph. D degree from the graduate school of Chinese Academy of Sciences,research interests include theoretical aspects of semiconductor lasers and amplifiers and terahertz physics.
Supported by:
Project supported by the National Natural Science Foundation of China (11364020 );Hunan Provincial Education Department-Funded Project(10A100 )

Abstract

Abstract: An approach of solving excitonic absorption is presented for an asymmetric double quantum well driven by an intense terahertz field embedded in a semiconductor microcavity.The formalism relies on Zubarev’s Green functions,which allow us to handle the microcavity field and terahertz field as the photons and to fully account for the quantum aspect of the optical response of the asymmetric double quantum wells.Rich nonlinear dynamics behaviors of the replica peak and the Autler-Townes splitting are systematically studied in undoped asymmetric double quantum wells for taking account of the multiple factors,such as the detuning,coupling constant of the intense terahertz field,decay rate of the second electron subband,photon number of the intense terahertz field.The work provides a simple and convenient approach to deal with the microcavity-optical response of the asymmetric double quantum well in a fully quantum mechanical framework.

MI Xian-Wu, MENG Fan-Bin, WU Hong-Wei. Optical Absorption of an Quantum Wells in Terahertz Plasmonic Microcavity[J]. journal6, 2014, 35(1): 29-35.

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Optical Absorption of an Quantum Wells in Terahertz Plasmonic Microcavity

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