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Updated: Aug 15, 2025
12:18
Microwave Photonics Systems Based on Whispering-gallery-mode Resonators
Published on: August 5, 2013
17.1K
Ridge waveguide couplers with leaky mode resonator-like wavelength responses
Optics Express
|January 6, 2023
Summary
Researchers developed smaller photonic resonators using bound states in the continuum (BICs) on silicon-on-insulator (SOI) platforms. This innovation overcomes the large footprint of traditional BIC devices, enabling more compact resonant devices.
Area of Science:
- Photonics and Optical Engineering
- Integrated Optics
- Materials Science (Silicon-on-Insulator)
Background:
- Integrated photonic resonators utilizing bound states in the continuum (BICs) offer potential for novel, mass-manufacturable resonant devices.
- Traditional BIC-based ridge resonators have large footprints due to axial and lateral extension requirements for mode propagation and quasi-continuum excitation.
Purpose of the Study:
- To investigate the translation of BIC-based ridge resonators into a guided mode system with finite lateral dimensions.
- To overcome the large footprint limitations of existing BIC resonator designs.
Main Methods:
- Analogical reasoning between BIC-based resonators and the resulting waveguide system.
- Numerical simulations to demonstrate the transmissive behavior of the finite-dimension waveguide system.
Main Results:
- The translated waveguide system exhibits spectrally narrow-band inversion of its transmissive behavior, analogous to BIC-based resonators.
- Demonstration of a viable method to reduce the device footprint of BIC-based photonic resonators.
Conclusions:
- Finite-dimension guided mode systems can effectively replicate the functionality of BIC-based resonators.
- This approach offers a pathway to miniaturized, mass-manufacturable resonant photonic devices on SOI platforms.
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