Abstract
Lasing from random media continues to generate significant interest[1]. A particular random system of interest is the periodic-on-average random system (PARS, in short), which comprises a random structure that has an underlying periodicity[2]. In this case, the passband and stopband characteristics of the underlying structure influence the modes of the random system. Despite the interesting transport properties of such systems[3,4], a PARS-based amplifying system has so far not been studied. In this paper, we present a practical implementation of an amplifying PARS system (aPARS), and analyze the random lasing properties thereof. Our experimental observations are in excellent agreement with transfer matrix calculations.
© 2013 IEEE
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