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Highly dispersive micro-ring resonator based on one dimensional photonic crystal waveguide design and analysis
Optics Express
|June 18, 2009
Summary
We developed a novel hybrid photonic device combining micro-ring resonators and photonic crystals. This design significantly narrows spectral linewidths, enabling advanced optical filter applications.
Area of Science:
- Photonics
- Optical Engineering
- Materials Science
Background:
- Micro-ring resonators are key components in integrated photonics.
- Photonic crystals offer unique light manipulation properties.
- Enhancing resonator performance is crucial for optical signal processing.
Purpose of the Study:
- To propose and analyze a novel hybrid micro-ring resonator and photonic crystal device.
- To investigate the impact of periodic defects on resonator dispersion and linewidth.
- To design and analyze optical filters based on the proposed device.
Main Methods:
- Theoretical analysis of modal dispersion in the hybrid structure.
- Numerical simulations using finite-element and finite-difference-time-domain methods.
- Design and analysis of add-drop and notch filters.
Main Results:
- Significant increase in modal dispersion near the photonic band-gap.
- Predicted order-of-magnitude narrowing of the resonator spectral linewidth.
- Successful design and analysis of add-drop and notch filters.
Conclusions:
- The hybrid micro-ring resonator and photonic crystal design offers enhanced performance.
- This approach enables significant spectral linewidth narrowing.
- The device is suitable for developing advanced optical filters.
