| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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A Theoretical Analysis of Ultraslow Optical Solitons via Exciton Spin Coherence in GaAs/AlGaAs Multiple Quantum Wells |
| YAN Wei, WANG Tao**, LI Xiao-Ming |
Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074
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| Cite this article: |
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YAN Wei, WANG Tao, LI Xiao-Ming 2013 Chin. Phys. Lett. 30 027802 |
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Abstract We show the formation of ultraslow bright and dark optical solitons in a Λ-type three-level system with a GaAs/AlGaAs multiple quantum well (MQW) structure based on the exciton spin coherence. The propagation of the pulse across the quantum wells is studied analytically and numerically with Maxwell–Schr?dinger equations. The research of ultraslow optical solitons of MQWs in the present work may provide important applications in optical devices and optical communication systems.
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Received: 11 June 2012
Published: 02 March 2013
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| PACS: |
78.67.De
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(Quantum wells)
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42.65.Tg
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(Optical solitons; nonlinear guided waves)
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