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Related Experiment Videos

Disorder-immune coupled resonator optical waveguide.

Alexey G Yamilov1, Massimo F Bertino

  • 1Department of Physics, University of Missouri-Rolla, Rolla, Missouri 65409, USA. yamilov@umr.edu

Optics Letters
|January 12, 2007
PubMed
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We demonstrate a novel photonic lattice that slows light propagation by creating flat photonic bands. This new fabrication method using holography allows for large-scale production of coupled optical resonators.

Area of Science:

  • Photonics
  • Condensed Matter Physics
  • Optical Engineering

Background:

  • Coupled-resonator optical waveguides (CROWs) are essential for controlling light propagation.
  • Previous CROW implementations suffer from parameter fluctuations due to fabrication limitations.
  • Achieving flat photonic bands is key to realizing slow light phenomena.

Purpose of the Study:

  • To demonstrate a photonic lattice design for generating flat photonic bands.
  • To achieve slow light propagation using a novel coupled-resonator optical waveguide (CROW) system.
  • To develop a fabrication method that overcomes previous limitations in CROW construction.

Main Methods:

  • Designing a photonic lattice with harmonic modulations of refractive index for short- and long-range interactions.

Related Experiment Videos

  • Utilizing interference photolithography (holography) for fabricating the photonic structures.
  • Analyzing the formation of flat photonic bands and light propagation characteristics.

    • Main Results:

    • Successfully created flat photonic bands in the designed lattice.
    • Observed slow light propagation due to the small dispersion of the photonic bands.
    • Demonstrated a holography-based fabrication approach for large-scale CROW arrays.

    Conclusions:

    • The proposed photonic lattice design effectively facilitates flat band formation and slow light.
    • Holography-based fabrication offers a robust and scalable method for producing CROWs.
    • This approach overcomes resonator-to-resonator parameter fluctuations, paving the way for practical applications.