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Engineering of metal-clad optical nanocavity to optimize coupling with integrated waveguides

Kim, Myung-Ki and Li, Zheng and Huang, Kun and Going, Ryan and Wu, Ming C. and Choo, Hyuck (2013) Engineering of metal-clad optical nanocavity to optimize coupling with integrated waveguides. Optics Express, 21 (22). pp. 25796-25804. ISSN 1094-4087. http://resolver.caltech.edu/CaltechAUTHORS:20140113-093627308

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Abstract

We propose a cladding engineering method that flexibly modifies the radiation patterns and rates of metal-clad nanoscale optical cavity. Optimally adjusting the cladding symmetry of the metal-clad nanoscale optical cavity modifies the modal symmetry and produces highly directional radiation that leads to 90% coupling efficiency into an integrated waveguide. In addition, the radiation rate of the cavity mode can be matched to its absorption rate by adjusting the thickness of the bottom-cladding layer. This approach optimizes the energy-flow rate from the waveguide and maximizes the energy confined inside the nanoscale optical cavity.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1364/OE.21.025796 DOIArticle
http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-21-22-25796PublisherArticle
ORCID:
AuthorORCID
Choo, Hyuck0000-0002-8903-7939
Additional Information:© 2013 Optical Society of America. Received 5 Jun 2013; revised 19 Sep 2013; accepted 11 Oct 2013; published 22 Oct 2013. The authors thank Dr. Se-Heon Kim for helpful discussions. This work was supported by the Engineering and Applied Sciences (EAS) division of the California Institute of Technology and the Powell Foundation.
Funders:
Funding AgencyGrant Number
Caltech Engineering and Applied Sciences (EAS) DivisionUNSPECIFIED
Powell FoundationUNSPECIFIED
Classification Code:OCIS codes: (250.5300) Photonic integrated circuits; (250.5403) Plasmonics
Record Number:CaltechAUTHORS:20140113-093627308
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140113-093627308
Official Citation:M. Kim, Z. Li, K. Huang, R. Going, M. Wu, and H. Choo, "Engineering of metal-clad optical nanocavity to optimize coupling with integrated waveguides," Opt. Express 21, 25796-25804 (2013)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:43331
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:13 Jan 2014 21:26
Last Modified:08 May 2017 23:25

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