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Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
Published on: November 30, 2012
Enhanced photonic crystal cavity-waveguide coupling using local slow-light engineering.
K Mnaymneh1, S Frédérick, D Dalacu
1Department of Physics, University of Ottawa, Ottawa, Canada. khaled.mnaymneh@gmail.com
Optics Letters
|August 3, 2012
Summary
This study presents a new photonic crystal system with enhanced cavity-waveguide coupling using slow-light engineering. This design increases light transmittance, paving the way for advanced planar lightwave circuits and quantum information processing.
Area of Science:
- Photonics
- Optical Engineering
- Condensed Matter Physics
Background:
- Planar lightwave circuits are crucial for integrated photonics.
- Efficient coupling between optical cavities and waveguides is essential for device performance.
- Slow-light phenomena offer unique opportunities for light manipulation in photonic crystals.
Purpose of the Study:
- To introduce and analyze an enhanced cavity-waveguide coupling architecture.
- To leverage slow-light engineering in a two-port photonic crystal system.
- To demonstrate increased transmittance through improved coupling.
Main Methods:
- Theoretical analysis using coupled-mode theory.
- Experimental probing of a two-port photonic crystal system.
- Characterization of system transmittance.
Main Results:
- The proposed architecture exhibits enhanced cavity-waveguide coupling.
- Increased system transmittance was experimentally verified.
- The slow-light engineering approach proved effective.
Conclusions:
- The developed coupling architecture significantly enhances light transmittance.
- This approach is suitable for next-generation planar lightwave circuitry.
- Potential applications include on-chip quantum information processing and light-matter sensing.
