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One-dimensional surface-plasmon gratings for the excitation of intersubband polaritons in suspended membranes

Research output: Contribution to Journal/MagazineJournal articlepeer-review

<mark>Journal publication date</mark>12/2011
<mark>Journal</mark>Solid State Communications
Issue number23
Number of pages3
Pages (from-to)1725-1727
Publication StatusPublished
Early online date14/09/11
<mark>Original language</mark>English


We present the observation of the strong lightmatter coupling regime between intersubband transitions of semiconductor quantum wells and the plasmonic-like resonances of a one dimensional metallic grating. Polariton spectra have been recorded in transmission employing a suspended membrane sample and are consistent with theoretical calculations. This arrangement, avoiding the complexity of dispersive substrate, is particularly attractive for the development of time-resolved pumpprobe experiments.