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Updated: Jul 8, 2026
12:18
Microwave Photonics Systems Based on Whispering-gallery-mode Resonators
Published on: August 5, 2013
Grating-assisted couplers with broadband characteristics.
Optics Letters
|August 1, 1997
Summary
Grating-assisted couplers can function effectively across broader wavelength ranges than previously thought. This study introduces a novel scheme to achieve this enhanced performance in optical devices.
Area of Science:
- Photonics
- Optical Engineering
- Waveguide Devices
Background:
- Grating-assisted couplers are essential components in integrated photonics.
- Their operational bandwidth is typically limited, restricting applications.
- Expanding the operational bandwidth is a key challenge in optical device design.
Purpose of the Study:
- To present a scheme for enhancing the operational bandwidth of grating-assisted couplers.
- To demonstrate the feasibility of wider wavelength interval operation.
Main Methods:
- Theoretical analysis of grating-assisted coupler designs.
- Numerical simulations to validate the proposed scheme.
- Fabrication and characterization of prototype devices (if applicable, otherwise omit).
Main Results:
- The proposed scheme enables grating-assisted couplers to operate effectively over significantly wider wavelength intervals.
- Demonstrated bandwidth extension beyond conventional limitations.
- Analysis of the impact of grating parameters on bandwidth.
Conclusions:
- Grating-assisted couplers can achieve broader operational bandwidths than traditionally expected.
- The presented scheme offers a viable method for designing wider-bandwidth photonic devices.
- This advancement has implications for telecommunications and optical sensing.
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