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research article
Quantum-Theory Of Quantum-Well Polaritons In Semiconductor Microcavities
1994
The polariton Hamiltonian for a quantum well embedded in a cavity of finite width is derived. The exciton-light interaction is formulated in second quantization and the photon self-interaction term A2 is included. The importance of the A2 term turns out to be relevant in the case of large values of the cavity width. By solving the equation of motion the dispersion relations for upper and lower polaritons are found. A comparison is made with existing measurements of polariton absorption peaks. The limit of infinite cavity width is carried out and the known results for a quantum well in an infinite medium are recovered.
Type
research article
Web of Science ID
WOS:A1994NG11700028
Authors
Publication date
1994
Published in
Volume
49
Start page
8774
End page
8779
Subjects
Peer reviewed
NON-REVIEWED
EPFL units
Available on Infoscience
September 22, 2009
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