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Proceedings Paper

On-chip ultrahigh-Q packaged microresonator and applications (Conference Presentation)
Author(s): Guangming Zhao; Sahin K. Özdemir; Tao Wang; Linhua Xu; Eshan S. King; Yunqi Hu; Gui Lu Long; Lan Yang
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Paper Abstract

Whispering gallery mode (WGM) microresonators have been intensively studied in many areas such as sensing, lasing, and fundamental study. WGM microresonators are always coupled by a tapered fiber, and the coupling is controlled by a 3D nanotranslation stage. We always suffer from the instability of coupling condition, which means it is difficult to put microresonators in practical applications. Hence, we present an efficient way to package on-chip ultrahigh-Q microresonators. Stimulated Raman Scattering is achieved in this packaged microresonator, which means we have a portable, narrow linewidth laser and it can be used to expand the working wavelength of a laser. In addition, by coupling two whispering-gallery modes (WGM), which is simultaneously excited in the packaged microtoroid resonator, we can observe an electromagnetically induced transparency (EIT) effect for the first time in a portable WGM structure. This packaged microresonator can be used for real quantum communication applications. Furthermore, highly sensitive sensing can benefit from the high Q-factor and its stability.

Paper Details

Date Published:
PDF: 1 pages
Proc. SPIE 10090, Laser Resonators, Microresonators, and Beam Control XIX, 100900M; doi: 10.1117/12.2252868
Show Author Affiliations
Guangming Zhao, Washington Univ. in St. Louis (United States)
Sahin K. Özdemir, Washington Univ. in St. Louis (United States)
Tao Wang, Tsinghua Univ. (China)
Linhua Xu, Washington Univ. in St. Louis (United States)
Eshan S. King, Washington Univ. in St. Louis (United States)
Yunqi Hu, Tsinghua Univ. (China)
Gui Lu Long, Tsinghua Univ. (China)
Lan Yang, Washington Univ. in St. Louis (United States)


Published in SPIE Proceedings Vol. 10090:
Laser Resonators, Microresonators, and Beam Control XIX
Alexis V. Kudryashov; Alan H. Paxton; Vladimir S. Ilchenko, Editor(s)

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