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Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
Published on: April 4, 2017
GHz-bandwidth optical filters based on high-order silicon ring resonators
Po Dong1, Ning-Ning Feng, Dazeng Feng
1Kotura Inc., 2630 Corporate Place, Monterey Park, CA 91754, USA. pdong@kotura.com
Optics Express
|December 18, 2010
Summary
This study presents novel silicon ring filters with narrow 1-2 GHz bandwidths and high extinction ratios, suitable for advanced microwave and radio frequency signal processing applications.
Area of Science:
- Photonics
- Optical Engineering
- Materials Science
Background:
- High-order silicon ring filters commonly exceed 100 GHz bandwidths.
- Narrow bandwidth filters are crucial for precise signal processing.
Purpose of the Study:
- To demonstrate narrow bandwidth silicon ring filters with high extinction ratios.
- To enable wavelength-tunable optical filters for signal processing.
Main Methods:
- Fabrication of silicon ring filters using silicon waveguides.
- Thermal control of ring resonators via integrated metal heaters.
- Characterization of filter bandwidth, extinction ratio, and tunability.
Main Results:
- Achieved 1-2 GHz bandwidth filters with approximately 50 dB extinction ratios.
- Silicon waveguides exhibited low propagation losses of ~0.5 dB/cm.
- Demonstrated wavelength tunability of ring resonance with ~72 mW power dissipation.
Conclusions:
- The developed silicon ring filters offer a significant improvement in bandwidth and performance.
- These filters are well-suited for microwave/radio frequency signal processing.
- The thermal tuning mechanism enables versatile, wavelength-tunable optical filtering.
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