Journal
PHYSICAL REVIEW B
Volume 86, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.86.045309
Keywords
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Funding
- US Air Force Office of Scientific Research (AFOSR) [29017650-51649-B]
- National Science Foundation Nano-scale Science and Engineering Center (NSF-NSEC) for Scalable and Integrated NAnoManufacturing (SINAM) [CMMI-0751621]
- Deutsche Forschungsgemein-schaft [ZE953/1-1]
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Hybrid plasmonic microcavities display localized electromagnetic states similar to the confined electronic levels in atoms and quantum wells. Exploiting this parallelism and concepts used in photonics, we describe a novel plasmonic device based on the coupling between a plasmonic microcavity and a photonic microcavity. We theoretically analyze the coupling effects and the plasmon dynamics in structures integrated in silicon optical waveguides. We observe a strong coupling behavior between the eigenmodes that leads to a periodic excitation of the plasmonic hybrid mode in analogy to a plasmonic pulsar. We demonstrate that the spectra-and thus the dynamics-of confined plasmons can be tailored with great versatility in plasmonic pulsars in the 100-fs scale. These structures open new ways in the design and conception of plasmonic and photonic applications and the control and manipulation of hybrid plasmons in the time domain.
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