Vacuum-field Rabi splitting in quantum-well infrared photodetectors

E. Dupont, H. C. Liu, A. J. SpringThorpe, W. Lai, and M. Extavour
Phys. Rev. B 68, 245320 – Published 29 December 2003
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Abstract

The vacuum-field Rabi splitting due to bound-to-quasibound intersubband transitions in GaAs quantum wells has been demonstrated. A waveguide was designed and the infrared light was resonantly coupled inside with a prismlike technique. Reflection and photocurrent spectra show sharp Rabi doublets. The infrared detectivity of such a structure was investigated with temperature. We have proved that the vacuum-field Rabi splitting of intersubband absorption is easy to observe and has potential applications in optoelectronic devices.

  • Received 10 July 2003

DOI:https://doi.org/10.1103/PhysRevB.68.245320

©2003 American Physical Society

Authors & Affiliations

E. Dupont*, H. C. Liu, A. J. SpringThorpe, and W. Lai

  • Institute for Microstructural Sciences, National Research Council, Ottawa, Ontario K1A 0R6, Canada

M. Extavour

  • Division of Engineering Science, Bahen Center, 40 St. George Street, University of Toronto, Toronto, Ontario M5S 2E4, Canada

  • *Electronic address: emmanuel.dupont@nrc-cnrc.gc.ca

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Vol. 68, Iss. 24 — 15 December 2003

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