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Cavity Light Bullets in Passively Mode-Locked Semiconductor Lasers.

J Javaloyes1

  • 1Departament de Física, Universitat de les Illes Baleares, C/ Valldemossa km 7.5, 07122 Mallorca, Spain.

Physical Review Letters
|February 13, 2016
PubMed
Summary

Researchers discovered stable 3D light bullets in lasers with saturable absorbers. These structures are individually addressable and suitable for 3D optical data storage.

Area of Science:

  • Nonlinear optics
  • Laser physics
  • Optical information processing

Background:

  • Dissipative systems can exhibit complex localized structures.
  • Laser dynamics are crucial for optical device applications.

Purpose of the Study:

  • To demonstrate stable three-dimensional (3D) dissipative localized structures in a laser system.
  • To explore the potential of these structures for 3D optical information storage.

Main Methods:

  • Experimental setup involving a laser coupled to a distant saturable absorber.
  • Theoretical modeling using an effective theory to describe structure formation.

Main Results:

  • Observation of stable, phase-invariant, three-dimensional cavity light bullets.

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  • Demonstration of individual addressability of these light bullets.
  • Relating light bullet formation to morphogenesis of spatial autosolitons and temporal cellular patterns.

    • Conclusions:

    • Stable 3D dissipative localized structures (light bullets) exist in this laser system.
    • These light bullets are promising candidates for 3D optical information storage applications.
    • The effective theory provides a framework for understanding their formation and dynamics.