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Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators
Published on: April 4, 2016
Fiber-taper-coupled zeolite cylindrical microcavity with hexagonal cross section
Yong Yang1, Yun-Feng Xiao, Chun-Hua Dong
1Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei 230026, China.
Applied Optics
|November 2, 2007
Summary
Whispering-gallery modes (WGMs) in zeolite cylinders were coupled using a fiber taper. This method allows for direct observation of WGM distribution, showing potential for microcavity applications.
Area of Science:
- Photonics
- Materials Science
- Optics
Background:
- Whispering-gallery modes (WGMs) are confined light waves on curved surfaces.
- Zeolite materials offer unique structural and optical properties.
- Efficiently coupling light to microcavities is crucial for various photonic applications.
Purpose of the Study:
- To demonstrate effective coupling of WGMs in a zeolite cylinder using a low-loss fiber taper.
- To analyze the WGM distribution and compare it with theoretical predictions.
- To assess the potential of this system for cavity quantum electrodynamics and microlaser applications.
Main Methods:
- Fabrication of a low-loss fiber taper.
- Coupling the fiber taper to a zeolite cylinder.
- Measuring the fiber transmission spectrum to observe WGM distribution.
- Comparing experimental results with theoretical predictions based on geometric optics.
Main Results:
- Successful coupling of WGMs in a zeolite cylinder with a fiber taper.
- Experimental WGM distribution closely matched theoretical predictions.
- Measured quality factors were limited to approximately 800 due to scattering and absorption.
- Demonstrated the fiber taper as a powerful tool for WGM coupling in zeolite cylinders.
Conclusions:
- Fiber taper coupling is an effective method for exciting and observing WGMs in zeolite cylinders.
- The taper-coupled zeolite system shows promise as a microcavity for cavity quantum electrodynamics and microlasers.
- Further research may focus on improving quality factors by mitigating scattering and absorption.
