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Updated: Jun 8, 2026
11:08
Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
Published on: November 30, 2012
Polychromatic photonic quasicrystal cavities.
Susanna M Thon1, William T M Irvine, Dustin Kleckner
1Department of Physics, University of California Santa Barbara, Santa Barbara, California 93106, USA. susanna@physics.ucsb.edu
Physical Review Letters
|September 28, 2010
Summary
Quasicrystalline patterns in photonic crystal slabs enable multiple photonic band gaps. This innovation supports polychromatic cavities for advanced on-chip optical applications, including frequency conversion.
Area of Science:
- Photonics
- Materials Science
- Optical Engineering
Background:
- Photonic crystal slabs are crucial for light manipulation on semiconductor chips.
- Traditional designs optimize for a single photonic band gap.
- Quasicrystalline patterns offer unique optical properties.
Purpose of the Study:
- To investigate quasicrystalline patterns for supporting multiple photonic band gaps.
- To explore the potential of these structures for polychromatic cavities.
- To advance on-chip optical functionalities in III-V semiconductors.
Main Methods:
- Utilized 2D and 3D Finite-Difference Time-Domain (FDTD) simulations.
- Studied various quasicrystalline structures.
- Analyzed cavity modes at multiple resonant frequencies.
Main Results:
- Quasicrystalline patterns inherently support multiple photonic band gaps due to multiple Bragg scattering length scales.
- Demonstrated high-quality cavity modes at several resonant frequencies within the same slab.
- Identified potential for polychromatic cavities.
Conclusions:
- Quasicrystalline photonic crystal slabs offer a novel approach to multi-band gap engineering.
- These structures pave the way for enhanced single-photon manipulation and on-chip frequency conversion.
- Opens new avenues for integrated photonic devices and optical computing.
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