Nonlinear emission in II–VI pillar microcavities: Strong versus weak coupling

Obert, M.; Renner, J.; Forchel, A.; Bacher, G.; André, R.; Le Si Dang, D.
March 2004
Applied Physics Letters;3/1/2004, Vol. 84 Issue 9, p1435
Academic Journal
Pillar microcavities based on CdMnTe/CdMgTe heterostructures have been investigated by means of spatially resolved optical spectroscopy. Strong coupling with a Rabi splitting of about 15.8 meV is demonstrated by performing microreflectivity measurements on a single pillar with three-dimensional optical confinement. Analyzing the temperature and the power dependent photoluminescence signal after nonresonant excitation, clear evidence of strong coupling in the nonlinear emission regime is obtained even at elevated temperatures. © 2004 American Institute of Physics.


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