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Subwavelength discrete solitons in nonlinear metamaterials
Yongmin Liu1, Guy Bartal, Dentcho A Genov
1NSF Nanoscale Science and Engineering Center (NSEC), 5130 Etcheverry Hall, University of California, Berkeley, California 94720-1740, USA.
Physical Review Letters
|November 13, 2007
Summary
This study introduces subwavelength discrete solitons in nonlinear metamaterials. These solitons balance surface plasmon tunneling and nonlinear self-trapping for novel optical effects.
Area of Science:
- Optics and Photonics
- Materials Science
- Condensed Matter Physics
Background:
- Nonlinear metamaterials offer unique optical properties due to their engineered nanostructures.
- Surface plasmon polaritons are key to light confinement and manipulation at the nanoscale.
Purpose of the Study:
- To investigate subwavelength discrete solitons in nonlinear metamaterials.
- To explore the interplay of periodicity, nonlinearity, and surface plasmon polaritons.
Main Methods:
- Theoretical study of nonlinear metamaterials composed of metal and nonlinear dielectric slabs.
- Analysis of soliton formation through the balance of surface plasmon tunneling and nonlinear self-trapping.
Main Results:
- Demonstration of the first study on subwavelength discrete solitons in nonlinear metamaterials.
- Characterization of soliton dynamics distinct from conventional nonlinear waveguide arrays.
Conclusions:
- Subwavelength discrete solitons are supported by nonlinear metamaterials.
- These findings open avenues for fundamental research and applications in subwavelength nonlinear optics.
