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In-Plane Propagation of Cavity Polaritons in Quantum Semiconductor Microcavity |
| LIU Wen-Kai1;LIN Shi-Ming1;ZHANG Cun-Shan2 |
| 1State Key Laboratory on Integrated Optoelectronics,
Institute of Semiconductor, Chinese Academy of Sciences, Beijing 100083
2College of Electricity Information, Hebei University of Technology, Tianjing 300130
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| Cite this article: |
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LIU Wen-Kai, LIN Shi-Ming, ZHANG Cun-Shan 2002 Chin. Phys. Lett. 19 843-845 |
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Abstract Considering that the coupling among the heavy-hole exciton, light-hole exciton and the cavity photon can form bipolaritons in a quantum semiconductor microcavity, we calculate the group velocities of the cavity polaritons at different incident angle s using the coupling model of three harmonic oscillators. The result indicates that the group velocities of the low and middle branches of the cavity polaritons have extrema, but the group velocities of the high branch increase with the increasing incident angle.
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| Keywords:
71.36.+c
78.66.-w
42.50.-p
71.35.-y
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Published: 01 June 2002
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| PACS: |
71.36.+c
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(Polaritons (including photon-phonon and photon-magnon interactions))
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78.66.-w
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(Optical properties of specific thin films)
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42.50.-p
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(Quantum optics)
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71.35.-y
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(Excitons and related phenomena)
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