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Small-signal analysis of microring resonator modulators
Optics Express
|July 1, 2014
Summary
This study presents frequency-dependent modulation transfer functions for microring resonator modulators. These functions offer intuitive insights into device performance and enable comparisons between different microresonator modulation techniques.
Area of Science:
- Photonics
- Optical Engineering
- Integrated Optics
Background:
- Microring resonator modulators are key components in photonic integrated circuits.
- Understanding their modulation characteristics is crucial for device optimization.
Purpose of the Study:
- To derive frequency-dependent modulation transfer functions for microring resonator modulators.
- To provide an intuitive understanding of device performance using optical cavity parameters.
- To compare resonance-modulated and coupling-modulated microresonators.
Main Methods:
- Small-signal analysis was employed to derive the modulation transfer functions.
- The analysis focused on frequency-dependent characteristics.
- Theoretical results were validated against experimental data.
Main Results:
- Frequency-dependent modulation transfer functions were successfully derived.
- Modulation efficiencies were expressed in terms of standard optical cavity parameters.
- Good agreement was observed between derived functions and experimental measurements.
Conclusions:
- The derived functions offer an intuitive framework for analyzing microring resonator modulator performance.
- This work facilitates a clear comparison of operating principles between resonance and coupling modulation schemes.
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