Related Experiment Video
Updated: Nov 11, 2025
12:21
Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators
Published on: April 4, 2016
11.5K
Spectral shaping of ring resonator transmission response
Optics Express
|March 27, 2021
Summary
We developed a novel Mach-Zehnder interferometer assisted ring resonator configuration (MARC) for unique optical spectra and enhanced free spectral range. This technology enables high-performance sensors with precise temperature measurements.
Area of Science:
- Photonics and Optical Engineering
- Integrated Optics
- Sensing Technologies
Background:
- Ring resonators (RRs) are fundamental photonic devices with applications in sensing and signal processing.
- Achieving unique spectral signatures and large effective free spectral ranges in RRs is crucial for advanced applications.
- Existing RR configurations often face limitations in spectral tunability and measurement range.
Purpose of the Study:
- To introduce a novel Mach-Zehnder interferometer assisted ring resonator configuration (MARC).
- To demonstrate the generation of unique spectral signatures with tunable lineshapes.
- To showcase the application of MARC for high-performance temperature sensing.
Main Methods:
- Fabrication of a Mach-Zehnder interferometer integrated with a ring resonator.
- Tuning the angular separation between through and drop port waveguides to control spectral characteristics.
- Utilizing the unique spectral signatures for temperature sensing measurements.
Main Results:
- Successfully generated unique spectral signatures including Lorentzian, inverse Lorentzian, and asymmetric Fano-like shapes.
- Achieved significantly large effective free spectral ranges.
- Demonstrated a MARC-based temperature sensor with a high Q-factor and a wide measurement range.
Conclusions:
- The MARC configuration offers a versatile platform for generating diverse optical spectral signatures.
- MARC enables the development of advanced optical sensors with enhanced performance.
- This technology holds promise for various integrated photonic applications requiring precise spectral control.
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