Nano-Optical Couplers for Efficient Power Transmission Along Sharply Bended Nanowires

Date

2019-02-01

Author

Altinoklu, Askin
Ergül, Özgür Salih

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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We consider nano-optical couplers that consist of optimal arrangements of nanoparticles to improve the transmission abilities of nanowire systems with sharp bends. Previously, it was shown that absence/existence of nanoparticles in a given grid can be optimized such that the power transmission can significantly be increased without curving the bend. In this contribution, we present a detailed investigation and analysis of coupler performances to critical geometric parameters. While the designed couplers are robust against fabrication errors, numerical results demonstrate a remarkable dependency of coupler characteristics to particle types, as well as to bending geometry, due to strong plasmonic interactions at short distances. These findings further support the need for case-dependent optimization that must be performed efficiently and accurately via full-wave simulations.

Subject Keywords

Integral-equation formulations, Scattering problems, Propagation

URI

https://hdl.handle.net/11511/53791

Collections

Department of Electrical and Electronics Engineering, Article