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3D Nanofocusing plasmonic waveguide

Choo, Hyuck (2014) 3D Nanofocusing plasmonic waveguide. In: 2014 International Conference on Optical MEMS and Nanophotonics (OMN). IEEE , Piscataway, NJ, pp. 203-204. ISBN 978-0-9928-4140-9 . https://resolver.caltech.edu/CaltechAUTHORS:20150810-155240362

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Abstract

We have demonstrated experimentally a highly efficient on-chip three-dimensional (3D) linearly tapered metal-insulator-metal (MIM) nanoplasmonic photon compressor (3D NPC) with a final aperture size of 14 x 80 nm^2. An optimized and linearly tapered MIM gap plasmon waveguide could theoretically reduce the excessive losses that would occur during nanofocusing processes. In simulation study, this approach could enable nanofocusing into a 2 x 5 nm^2 area with the coupling loss and maximum E2 enhancement of 2.5 dB and 3.0 × 10^4, respectively. We fabricated the 3D NPC on a chip employing electron beam-induced deposition and demonstrated its highly localized light confinement using a two-photon photoluminescence (TPPL) technique. From the TPPL measurements, we experimentally estimated an intensity enhancement of 400 within a 14 x 80 nm^2 cross-sectional area and a coupling efficiency of -1.3 dB (or 74% transmittance).


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1109/OMN.2014.6924523DOIArticle
http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=6924523PublisherArticle
ORCID:
AuthorORCID
Choo, Hyuck0000-0002-8903-7939
Additional Information:© IEEE 2014. This work was funded by the DARPA, the Powell Foundation, and the EAS Division of Caltech. The author thanks all the collaborators involved in this project.
Funders:
Funding AgencyGrant Number
Defense Advanced Research Projects Agency (DARPA)UNSPECIFIED
Powell FoundationUNSPECIFIED
CaltechUNSPECIFIED
Record Number:CaltechAUTHORS:20150810-155240362
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20150810-155240362
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:59371
Collection:CaltechAUTHORS
Deposited By: Kristin Buxton
Deposited On:10 Aug 2015 23:11
Last Modified:03 Oct 2019 08:46

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