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Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
Published on: November 30, 2012
Three-dimensional power splitter based on self-imaging effect in multimode layer-by-layer photonic crystal
Tianbao Yu1, Nianhua Liu, Qinghua Liao
1Department of Physics, Nanchang University, Nanchang, China. yutianbao@ncu.edu.cn
Applied Optics
|April 17, 2012
Summary
Researchers explored the self-imaging effect in photonic crystal waveguides (PhCWs) to create compact 3D power splitters. This technology enables efficient light manipulation for integrated photonic circuits.
Area of Science:
- Photonics
- Materials Science
- Optical Engineering
Background:
- Photonic crystal waveguides (PhCWs) offer unique light manipulation properties.
- Symmetrical interference and self-imaging are key phenomena in waveguiding.
- Developing compact components is crucial for integrated photonic circuits.
Purpose of the Study:
- To numerically investigate the self-imaging effect in multimode PhCWs.
- To propose and analyze a novel 3D PhCW-based power splitter.
- To explore applications in 3D photonic integrated circuits.
Main Methods:
- Finite-difference time-domain (FDTD) simulations were employed.
- Analysis focused on symmetrical interference within PhCWs.
- The design utilizes complete photonic bandgaps for efficient light confinement.
Main Results:
- The study confirmed the self-imaging effect in PhCWs.
- A 3D power splitter with an ultracompact size was successfully designed and analyzed.
- The device exhibits properties of twofold images.
Conclusions:
- The proposed 3D PhCW power splitter is a viable component for integrated photonics.
- The design can be extended to create M×N power splitters.
- This work advances the development of compact 3D photonic integrated circuits.
