Emission of Tamm plasmon/exciton polaritons

Symonds, C.; Lemaı⁁tre, A.; Homeyer, E.; Plenet, J. C.; Bellessa, J.
October 2009
Applied Physics Letters;10/12/2009, Vol. 95 Issue 15, p151114
Academic Journal
We report on the observation of the strong coupling regime occurring between a Tamm plasmon (TP) mode and an exciton from inorganic quantum wells (QWs). The sample is formed by a silver thin film deposited onto an AlAs/GaAlAs Bragg reflector containing InGaAs QWs located in the high refractive index layers. Angular resolved reflectometry experiments evidence a clear anticrossing in the dispersion relations, a signature of the strong coupling regime. The Rabi splitting energy is 11.5 meV. The experimental data are in very good agreement with simple transfer matrix calculations. The emission from low and high energy TP/exciton polaritons is also demonstrated.


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