Distance-dependence of the coupling between split-ring resonators and single-quantum-well gain

N. Meinzer, M. König, M. Ruther, S. Linden, Galina Khitrova, H. M. Gibbs, K. Busch, M. Wegener

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

We present low-temperature femtosecond pump-probe experiments on arrays of silver split-ring resonators coupled to single quantum wells, in which we vary the geometrical separation between the two components to study the variation of coupling with distance. Its strength is found to decrease exponentially with increasing separation with a 1/e length on the order of 8 nm. We further link our experimental results to numerical calculations of the near fields which show the same distance-dependence as the coupling strength in the experiment. Together, this confirms the assumption of a near-field-assisted coupling mechanism.

Original languageEnglish (US)
Article number111104
JournalApplied Physics Letters
Volume99
Issue number11
DOIs
StatePublished - Sep 12 2011

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resonators
quantum wells
rings
near fields
silver
pumps
probes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Distance-dependence of the coupling between split-ring resonators and single-quantum-well gain. / Meinzer, N.; König, M.; Ruther, M.; Linden, S.; Khitrova, Galina; Gibbs, H. M.; Busch, K.; Wegener, M.

In: Applied Physics Letters, Vol. 99, No. 11, 111104, 12.09.2011.

Research output: Contribution to journalArticle

Meinzer, N, König, M, Ruther, M, Linden, S, Khitrova, G, Gibbs, HM, Busch, K & Wegener, M 2011, 'Distance-dependence of the coupling between split-ring resonators and single-quantum-well gain', Applied Physics Letters, vol. 99, no. 11, 111104. https://doi.org/10.1063/1.3633353
Meinzer, N. ; König, M. ; Ruther, M. ; Linden, S. ; Khitrova, Galina ; Gibbs, H. M. ; Busch, K. ; Wegener, M. / Distance-dependence of the coupling between split-ring resonators and single-quantum-well gain. In: Applied Physics Letters. 2011 ; Vol. 99, No. 11.
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