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Waveguide metatronics: Lumped circuitry based on structural dispersion.

Yue Li1, Iñigo Liberal2, Cristian Della Giovampaola3

  • 1Department of Electronic Engineering, Tsinghua University, Beijing 100084, China.; Department of Electrical and Systems Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA.

Science Advances
|July 8, 2016
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Summary
This summary is machine-generated.

We introduce waveguide metatronics, a novel approach to engineering optical nanocircuits using structural dispersion. This method enables the creation of all lumped circuit elements on a single board, advancing nanoscale optical information processing.

Keywords:
Plasmonicscircuitdispersionfiltermetamaterialmetatronicsnanocircuitstructural dispersionwaveguide

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Area of Science:

  • Photonics and Nanotechnology
  • Metamaterials and Plasmonics
  • Optical Information Processing

Background:

  • Engineering nanoscale optical circuits can be advanced by adapting modularization from electronics.
  • Optical metatronics offers a pathway for nanoscale optical information processing.

Purpose of the Study:

  • To introduce and demonstrate the concept of waveguide metatronics.
  • To extend optical metatronics to frequency ranges lacking natural plasmonic materials.
  • To provide a platform for designing and validating optical nanocircuitry.

Main Methods:

  • Utilizing structural dispersion within waveguides.
  • Employing numerical simulations to design metatronic circuits.
  • Designing circuits using waveguides filled with positive permittivity materials.

Main Results:

  • Demonstrated the design of a metatronic circuit using waveguides with positive permittivity.
  • Successfully implemented all 'lumped' circuit elements.
  • Showcased the assembly of these elements on a single circuit board.

Conclusions:

  • Waveguide metatronics extends optical metatronics to new frequency ranges.
  • The proposed methodology can serve as a platform for experimental validation.
  • Offers a new route for the design of optical nanocircuitry.