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American Physical Society, Physical review B, 12(79), 2009

DOI: 10.1103/physrevb.79.125302

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Experimental observation of strong light-matter coupling in ZnO microcavities: influence of large excitonic absorption

Journal article published in 2009 by François Médard, Jesús Zúñiga-Pérez, Pierre Disseix, Martine Mihailovic, Joel Leymarie, Aime Vasson, Fabrice Semond, Eric Frayssinet, Jean-Christophe Moreno, Mathieu Leroux, Stéphane Faure, Thierry Guillet ORCID
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This paper is available in a repository.

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Abstract

We present experimental observation of the strong light-matter coupling regime in ZnO bulk microcavities grown on silicon. Angle resolved reflectivity measurements, corroborated by transfer-matrix simulations, show that Rabi splittings in the order of 70 meV are achieved even for low finesse cavities. The impact of the large excitonic absorption, which enables a ZnO bulk-like behavior to be observed even in the strong coupling regime, is illustrated both experimentally and theoretically by considering cavities with increasing thickness.