Eur. Phys. J. Appl. Phys.
Volume 74, Number 3, June 2016
|Number of page(s)||10|
|Published online||24 June 2016|
Coexistence of strong and weak coupling in ZnO nanowire cavities
Institut für Experimentelle Physik II, Universität Leipzig, Linnéstraße 5, 04103
2 Institut für Festkörpertheorie und -Optik, Friedrich-Schiller-Universität Jena, Max-Wien-Platz 1, 07743 Jena, Germany
a e-mail: firstname.lastname@example.org
Revised: 12 May 2016
Accepted: 25 May 2016
Published online: 24 June 2016
We present a high quality two-dimensional cavity structure based on ZnO nanowires coated with concentrical Bragg reflectors. The spatial mode distribution leads to the simultaneous appearance of the weak and strong coupling regime even at room temperature. Photoluminescence (PL) measurements agree with finite difference time domain (FDTD) simulations. Furthermore the ZnO core nanowires allow for the observation of middle polariton branches between the A- and B-exciton ground state resonances. Further, lasing emission up to room temperature is detected in excitation dependent photoluminescence measurements.
Supplementary online material is available in electronic form at www.epjap.org
© EDP Sciences, 2016
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