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Deformed microdisk coupled to a bus waveguide for applications in resonant filter.
Optics Letters
|April 3, 2014
Summary
Deformed microdisks function as efficient passive photonic elements. Their splitting ratio can be dynamically tuned by altering the microdisk
Area of Science:
- Photonics
- Optical Engineering
- Materials Science
Background:
- Microdisk resonators are fundamental components in integrated photonics.
- Tuning optical properties of microdisks is crucial for advanced photonic devices.
Purpose of the Study:
- To investigate the application of deformed microdisks as passive photonic elements.
- To demonstrate tunable signal routing capabilities using deformed microdisks.
Main Methods:
- Coupling a deformed microdisk to a bus waveguide.
- Analyzing the transmittance and signal routing of the microdisk-based filter.
- Investigating the effect of local refractive index changes on the splitting ratio.
Main Results:
- Achieved transmittance exceeding 99% for deformed microdisk-based resonant filters.
- Demonstrated routing of dropped signals to two distinct ports.
- Showcased dynamic tunability of the splitting ratio by altering the microdisk's refractive index.
Conclusions:
- Deformed microdisks offer a promising platform for high-performance passive photonic elements.
- The tunable splitting ratio opens new avenues for optical signal processing and routing.
- This research expands the application scope of deformed microdisks in photonics.
