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Analysis of resonant optical gyroscopes with two input/output waveguides
1Department of Electrical and Computer Engineering, Louisiana State University and A&M College, 102 S. Campus Drive, Baton Rouge, LA 70803, USA. dyhah@lsu.edu
Optics Express
|August 20, 2010
Summary
Optical gyroscopes using ring resonators were studied. A single resonator design offers higher rotation sensitivity compared to multi-resonator configurations for optimal optical gyroscope performance.
Area of Science:
- Photonics and Optical Engineering
- Inertial Sensing Technologies
Background:
- Optical gyroscopes are crucial for navigation and motion sensing.
- Ring resonators offer potential for high-sensitivity optical gyroscope designs.
- Understanding waveguide coupling impacts device performance.
Purpose of the Study:
- To investigate the rotation sensitivity of optical gyroscopes with ring resonators.
- To compare the sensitivity of single-resonator versus dual-resonator configurations.
- To analyze the effect of waveguide coupling in add-drop filter setups.
Main Methods:
- Theoretical analysis of optical gyroscope sensitivity.
- Modeling of ring resonators in a coplanar add-drop filter configuration.
- Comparison of sensitivity based on resonator number and waveguide coupling.
Main Results:
- A single-resonator optical gyroscope exhibits higher rotation sensitivity than a dual-resonator design.
- Dual-resonator configurations show reduced sensitivity, approximately half that of single-resonator devices for equivalent footprints.
- Coupling coefficients significantly influence sensitivity in multi-resonator systems.
Conclusions:
- Single-resonator designs are more sensitive for optical gyroscopes.
- Optimizing waveguide coupling is critical for multi-resonator optical gyroscope performance.
- This study provides insights for designing high-sensitivity optical gyroscopes.
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