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Terahertz transmission through rings of quantum dots-nanogap
, Y.-M. Bahk, G. Choi, S. Han, N. Park, D.-S. Kim
Published in Japan Society of Applied Physics
2016
Volume: 9
   
Issue: 3
Abstract
We report resonant funneling of terahertz (THz) waves through (9 + 1) nm wide quantum dots-nanogap of cadmium selenide quantum dots silver nanogap metamaterials. We observed a giant THz intensity enhancement (>104) through the quantum dots-nanogap at the resonant frequency. We, further report the experimentally measured effective mode indices for these metamaterials. A finite difference time domain simulation of the nanogap enabled by the quantum dots supports the experimentally measured THz intensity enhancement across the nanogap. We propose that these low effective mode index terahertz resonators will be useful as bio/chemical sensors, gain-enhanced antennas, and wave guides. © 2016 The Japan Society of Applied Physics.
About the journal
JournalApplied Physics Express
PublisherJapan Society of Applied Physics
ISSN18820778