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Related Experiment Videos

Multigap discrete vector solitons.

Andrey A Sukhorukov1, Yuri S Kivshar

  • 1Nonlinear Physics Group and Centre for Ultra-high Bandwidth Devices for Optical Systems (CUDOS), Research School of Physical Sciences and Engineering, Australian National University, Canberra, ACT 0200, Australia.

Physical Review Letters
|October 4, 2003
PubMed
Summary

We explore nonlinear effects in periodic systems, finding that geometry controls interband interactions. This enables the prediction and stability analysis of novel discrete vector solitons.

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Area of Science:

  • Nonlinear physics
  • Quantum optics
  • Condensed matter physics

Background:

  • Periodic systems like waveguide arrays and optical lattices exhibit complex transmission spectra.
  • Nonlinear collective effects are crucial for understanding phenomena in these systems.
  • Interband interactions play a significant role in the behavior of light and matter waves.

Purpose of the Study:

  • To analyze nonlinear collective effects in periodic systems with multigap transmission spectra.
  • To investigate the role of geometry in managing interband interactions.
  • To predict and study the stability of novel discrete vector solitons.

Main Methods:

  • Analysis of nonlinear collective effects.
  • Control of system geometry.

Related Experiment Videos

  • Prediction and stability analysis of discrete vector solitons.
  • Study of nonlinear coupling between different band gaps.

    • Main Results:

    • Nonlinear interband interactions in periodic structures can be effectively managed by controlling geometry.
    • Novel types of discrete vector solitons are predicted.
    • These solitons are supported by nonlinear coupling between different band gaps.
    • The stability of these novel solitons is investigated.

    Conclusions:

    • Geometry is a key parameter for controlling nonlinear phenomena in periodic systems.
    • The findings open avenues for creating and manipulating novel soliton states.
    • This research has implications for fields utilizing light-matter interactions in periodic structures.