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Interface discrete light bullets in waveguide arrays.

Dumitru Mihalache1, Dumitru Mazilu, Falk Lederer

  • 1Horia Hulubei National Institute for Physics and Nuclear Engineering (IFIN-HH), 407 Atomistilor, Magurele-Bucharest 077125, Romania.

Optics Letters
|August 3, 2007
PubMed
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We discovered new light behaviors called continuous-discrete spatiotemporal solitons at the edge of different photonic lattices. These solitons exhibit unique properties, forming hybrid light bullets with spectral gap tails.

Area of Science:

  • Optics and Photonics
  • Nonlinear Optics
  • Condensed Matter Physics

Background:

  • Photonic lattices offer unique light manipulation capabilities.
  • Light localization at interfaces is crucial for optical devices.
  • Spatiotemporal solitons are self-reinforcing light waves.

Purpose of the Study:

  • To investigate spatiotemporal light localization phenomena.
  • To identify novel soliton types at the interface of dissimilar photonic lattices.
  • To characterize the properties of these new solitons.

Main Methods:

  • Numerical simulations of light propagation.
  • Analysis of wave localization at the interface.
  • Characterization of soliton dynamics and spectral properties.

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Main Results:

  • Demonstrated spatiotemporal light localization at the interface.
  • Discovered a novel class of continuous-discrete spatiotemporal solitons.
  • Identified hybrid staggered-unstaggered discrete light bullets with spectral gap tails.

Conclusions:

  • The interface of different photonic lattices supports unique light localization.
  • Novel continuous-discrete spatiotemporal solitons exist and propagate along the interface.
  • These findings open new avenues for soliton-based photonic technologies.