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Highly Efficient Excitation of Surface Plasmons Using a Si Gable Tip

Dewanjee, Arnab and Alam, M. Z. and Aitchison, J. Stewart and Mojahedi, Mo. (2017) Highly Efficient Excitation of Surface Plasmons Using a Si Gable Tip. Laser and Photonics Reviews, 11 (5). Art. No. 1700009. ISSN 1863-8880. https://resolver.caltech.edu/CaltechAUTHORS:20171012-080144971

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Abstract

A compact and highly efficient technique to excite SPP mode at an Au/SiO2 interface by using an engineered high index (silicon) gabled tip at the 1550 nm wavelength has been proposed. The optimized geometry of the Si tip enables a highly efficient excitation of the single interface SPP mode through near field interaction in an ultra-compact setup. An experimental demonstration of the proposed scheme is also presented in the paper which converts 25.5% of the total input power to an SPP mode. With an improved fabrication, this efficiency can reach as high as 52%. The device is compact, facilitates on-chip excitation of the SPP, its fabrication is compatible with the standard Si fabrication processes, and, as such it is expected to be very useful in the design of future integrated photonic circuits as well as integrated sensors. Also, this scheme can find applications in studying nonlinear characteristics of materials.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1002/lpor.201700009DOIArticle
http://onlinelibrary.wiley.com/doi/10.1002/lpor.201700009/abstractPublisherArticle
http://resolver.caltech.edu/CaltechAUTHORS:20180419-103108360Related ItemConference Paper
ORCID:
AuthorORCID
Aitchison, J. Stewart0000-0003-1783-1380
Additional Information:© 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. Issue online: 25 September 2017; Version of record online: 29 August 2017; Manuscript Revised: 7 June 2017; Manuscript Received: 12 January 2017.
Subject Keywords:surface plasmon polariton (SPP) excitation; silicon tip plasmonics; plasmonic sensors; vertical Integration
Issue or Number:5
Record Number:CaltechAUTHORS:20171012-080144971
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20171012-080144971
Official Citation:A. Dewanjee, M. Z. Alam, J. S. Aitchison, M. Mojahedi, Laser & Photonics Reviews 2017, 11, 1700009. https://doi.org/10.1002/lpor.201700009
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:82304
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:12 Oct 2017 16:13
Last Modified:03 Oct 2019 18:53

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