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Updated: Jun 27, 2026
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Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
Published on: July 21, 2018
Broad band two-dimensional manipulation of surface plasmons.
Zhaowei Liu1, Yuan Wang, Jie Yao
1NSF Nanoscale Science and Engineering Center (NSEC), 5130 Etcheverry Hall, University of California, Berkeley, California, 94720, USA.
Nano Letters
|December 23, 2008
Summary
Researchers created controllable plasmonic interference patterns using sharp edges in metallic films. These dynamic surface plasmon patterns offer sub-diffraction resolution for advanced nanotechnologies.
Area of Science:
- * Physics, Optics, and Nanotechnology
Background:
- * Coherent overlap of multiple surface plasmon waves can generate plasmonic interference patterns.
- * Controlling these patterns is crucial for nanoscale applications.
Purpose of the Study:
- * To experimentally demonstrate and control plasmonic interference patterns using a novel coupling mechanism.
- * To investigate the dynamic tailoring of these patterns through light beam manipulation.
Main Methods:
- * Utilized a sharp edge coupling mechanism for surface plasmon wave excitation.
- * Shaped edges in a metallic film to design interference patterns.
- * Adjusted wavelength, polarization, and incident angle of excitation light for dynamic control.
Main Results:
- * Successfully demonstrated designed plasmonic interference patterns.
- * Achieved dynamic tailoring of patterns by altering light beam parameters.
- * Confirmed sub-diffraction limited feature resolution of the generated patterns.
Conclusions:
- * The sharp edge coupling method enables designed and dynamically tunable plasmonic interference patterns.
- * This technique offers sub-diffraction resolution, crucial for advanced nanoscale applications.
- * Potential applications include nanolithography and particle manipulation.
