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Related Experiment Video

Updated: May 28, 2026

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters
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Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters

Published on: July 8, 2013

Nanostructured plasmonic medium for terahertz bandwidth all-optical switching.

Mengxin Ren1, Baohua Jia, Jun-Yu Ou

  • 1Optoelectronics Research Centre, University of Southampton, UK.

Advanced Materials (Deerfield Beach, Fla.)
|October 25, 2011
PubMed
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Periodic nanostructuring of gold films significantly boosts optical nonlinearity. This enhancement enables ultrafast all-optical data processing and optical limiter applications.

Area of Science:

  • Materials Science
  • Optics
  • Nanotechnology

Background:

  • Plasmonic metals exhibit optical nonlinearity.
  • Nanostructuring can modify material properties.
  • Enhancing optical nonlinearity is crucial for advanced optical devices.

Purpose of the Study:

  • To investigate the effect of periodic nanostructuring on the optical nonlinearity of plasmonic metals.
  • To achieve significant enhancements in optical nonlinearity for practical applications.

Main Methods:

  • Fabrication of patterned gold films using nanostructuring techniques.
  • Characterization of optical nonlinearity using ultrafast spectroscopy.

Main Results:

  • Periodic nanostructuring increased optical nonlinearity by several orders of magnitude.

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Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor
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Fabrication of Nanopillar-Based Split Ring Resonators for Displacement Current Mediated Resonances in Terahertz Metamaterials
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Fabrication of Nanopillar-Based Split Ring Resonators for Displacement Current Mediated Resonances in Terahertz Metamaterials

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Last Updated: May 28, 2026

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters
10:54

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters

Published on: July 8, 2013

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor
07:28

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor

Published on: August 30, 2012

Fabrication of Nanopillar-Based Split Ring Resonators for Displacement Current Mediated Resonances in Terahertz Metamaterials
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Fabrication of Nanopillar-Based Split Ring Resonators for Displacement Current Mediated Resonances in Terahertz Metamaterials

Published on: March 23, 2017

  • Achieved the largest sub-100 femtosecond nonlinearity in patterned gold films.
  • Demonstrated suitability for terahertz rate all-optical data processing.

    • Conclusions:

    • Periodic nanostructuring is an effective strategy to enhance the optical nonlinearity of plasmonic materials.
    • The achieved nonlinearity is promising for ultrafast optical applications like all-optical switches and optical limiters.