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Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
Published on: November 30, 2012
Efficient beaming of self-collimated light from photonic crystals
Jong-Moon Park1, Sun-Goo Lee, Hae Yong Park
1Department of Physics, KAIST, Daejeon 305-701, Korea.
Optics Express
|December 10, 2008
Summary
We developed a new structure for efficient light beaming from photonic crystals. This design enhances light transmission and directional emission, improving coupling into optical fibers and waveguides.
Area of Science:
- Photonics
- Optical Engineering
Background:
- Photonic crystals offer unique light manipulation properties.
- Efficiently coupling light from photonic crystals remains a challenge.
Purpose of the Study:
- To propose and simulate a novel structure for highly efficient beaming of self-collimated light from 2D photonic crystals.
- To enhance light transmission and directional emission for improved coupling applications.
Main Methods:
- Utilizing finite-difference time-domain (FDTD) simulations.
- Implementing beam bending and splitting techniques within photonic crystals.
- Introducing an antireflection coating-like photonic crystal collimator.
Main Results:
- Achieved enhanced transmission of self-collimated beams.
- Demonstrated highly directional emission of these beams.
- Validated the effectiveness of the proposed photonic crystal collimator.
Conclusions:
- The novel structure significantly improves beaming efficiency of self-collimated light.
- This approach is crucial for efficient coupling into optical fibers and photonic crystal waveguides.
- The findings pave the way for advanced photonic device integration.
