Published April 10, 2008
| Published
Journal Article
Open
Directly mapping whispering gallery modes in a microsphere through modal coupling and directional emission
Chicago
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Abstract
We fabricate slightly deformed fused-silica microspheres in which whispering gallery modes possess remarkably directional escape emission from the microsphere boundary. With efficient free-space excitation and collection, the lateral spatial distribution of whispering gallery modes with different azimuthal mode numbers, m, is directly observed through modal coupling and directional emission. Excellent agreement with theory is obtained.
Additional Information
© 2008 Chinese Optics Letters. Received October 9, 2007. Y. Xiao gratefully thank Professor Kerry J. Vahala at Caltech for his numerous amendments and valuable suggestions to the current paper. C. Dong and Y. Xiao contribute equally to this paper. This work was supported by the National Fundamental Research Program of China (No. 2006CB921900), the Knowledge Innovation Project of Chinese Academy of Sciences, and the National Natural Science Foundation of China (No. 60537020 and 60621064).Attached Files
Published - Dong2008p4591Chin_Opt_Lett.pdf
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Additional details
- Eprint ID
- 16048
- Resolver ID
- CaltechAUTHORS:20090925-084328435
- National Fundamental Research Program of China
- 2006CB921900
- Chinese Academy of Sciences
- National Natural Science Foundation of China
- 60537020
- National Natural Science Foundation of China
- 60621064
- Created
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2009-09-28Created from EPrint's datestamp field
- Updated
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2019-10-03Created from EPrint's last_modified field