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光物理系列学术报告(第173期)

作者:佚名  来源:本站整理  发布时间:2019-7-2 14:47:45
 
 

题目:The evolving soliton microcombs

报告人:Dr.QifanYang(杨起帆)

              California Institute of Technology,USA

摘要:

Optical frequency combs are having a broad impact on science and technology by pushing metrology of time and frequency to the best accuracy. Integration of these systems on photonic chips would revolutionize the instrumentation as well as a wide range of subjects. Such miniaturized approach has been proposed in high-quality-factor (high-Q) microresonatorsand wasrecently leveraged by the demonstration of mode locking through the formation of light bullets called optical solitons. In this talk I will trace the development of soliton microcombs [1-7] including their physical origins. I will also cover discoveries of novel nonlinear phenomena in soliton microcombs, followed by ground-breaking applications spanning spectroscopy and telecommunication to chip-based optical frequency synthesizers and atomic clocks.

1. Q.-F. Yang*, B. Shen*, H. Wang*, M. Tran, Z. Zhang, K. Y. Yang, L. Wu, C. Bao, J.Bowers, A. Yariv, K. Vahala, Vernier spectrometer using counterpropagating solitonmicrocombs. Science 363, 965-968 (2019).
2. Q.-F. Yang*, X. Yi*, K. Y. Yang, K. Vahala, Stokes solitons in optical microcavities.Nature Physics 13, 53-57 (2017).
3. Q.-F. Yang*, X. Yi*, K. Y. Yang, K. Vahala, Counter-propagating solitons inmicroresonators. Nature Photonics 11, 560-564 (2017).
4. M.-G. Suh*, Q.-F. Yang*, K. Y. Yang, X. Yi, K. Vahala, Microresonator soliton dual-combSpectroscopy. Science 354, 600-603 (2016).
5. X. Yi*, Q.-F. Yang*, K. Y. Yang*, M.-G. Suh, K. Vahala, Soliton frequency comb at
microwave rates in a high-Q silica microresonator. Optica 2, 1078–1085 (2015).
6. X. Yi*, Q.-F. Yang*, X. Zhang*, K. Y. Yang, X. Li, K. Vahala, Single-mode dispersive
waves and soliton microcomb dynamics. Nature Communications 8, 14869 (2017).
7. X. Yi*, Q.-F. Yang*, K. Y. Yang, K. Vahala, Imaging soliton dynamics in opticalmicrocavities. Nature Communications 9, 3565 (2018).
 

简介
Dr. Qifan Yang is currently a postdoc in the group of Prof. Kerry Vahala at Caltech. He received his B. Sc in Physics from Peking University in 2013, and Ph. D. in Applied Physics from Caltech in 2019. His research has focused on the development of high-Q microresonators and miniaturized optical frequency combs. He is a recipient of the extraordinary potential prize of Chinese government award for outstanding self-financed students abroad.
 
时间2019年06月03星期一)下14:00

地点中科院物理研究所M253会议室

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