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Updated: Feb 6, 2026
12:21
Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators
Published on: April 4, 2016
11.7K
In-fiber whispering-gallery mode microsphere resonator-based integrated device.
Optics Letters
|August 15, 2018
Summary
A new in-fiber whispering-gallery mode (WGM) microsphere resonator offers enhanced stability and ease of fabrication. This integrated photonics device shows promise for optical sensing and microcavity lasing applications.
Area of Science:
- Photonics
- Optical Engineering
- Materials Science
Background:
- Whispering-gallery mode (WGM) resonators are crucial for various photonic applications.
- Traditional WGM microresonators often face challenges with mechanical stability and complex fabrication.
- Integrated photonic devices require robust and cost-effective solutions.
Purpose of the Study:
- To report a novel in-fiber WGM microsphere resonator integrated device.
- To demonstrate a fabrication method for enhanced mechanical stability.
- To explore the potential of this device for sensing and lasing.
Main Methods:
- Fabrication of an integrated device by embedding a silica microsphere into an embedded dual-core hollow fiber (EDCHF).
- Utilizing a fiber tapering method to position and fix the microsphere within the hollow core.
- Coupling light into the microsphere via two suspended fiber cores to excite WGMs.
Main Results:
- Achieved a Q-factor of 5.54×10^3 over the 1100-1300 nm wavelength range.
- Investigated the polarization and temperature dependence of the device.
- Demonstrated improved mechanical stability compared to traditional devices.
Conclusions:
- The novel in-fiber WGM resonator offers a robust, compact, and cost-effective solution.
- This integrated device is well-suited for optical sensing and microcavity lasing.
- The fabrication method simplifies integration and enhances device stability.
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