Wu, Lue and Wang, Heming and Yang, Qifan and Ji, Qing-Xin and Shen, Boqiang and Bao, Chengying and Gao, Maodong and Vahala, Kerry (2020) Greater than one billion Q factor for on-chip microresonators. Optics Letters, 45 (18). pp. 5129-5131. ISSN 0146-9592. doi:10.1364/ol.394940. https://resolver.caltech.edu/CaltechAUTHORS:20201029-153228861
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Abstract
High optical quality (Q) factors are critically important in optical microcavities, where performance in applications spanning nonlinear optics to cavity quantum electrodynamics is determined. Here, a record Q factor of over 1.1 billion is demonstrated for on-chip optical resonators. Using silica whispering-gallery resonators on silicon, Q-factor data is measured over wavelengths spanning the C/L bands (100 nm) and for a range of resonator sizes and mode families. A record low sub-milliwatt parametric oscillation threshold is also measured in 9 GHz free-spectral-range devices. The results show the potential for thermal silica on silicon as a resonator material.
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| Additional Information: | © 2020 Optical Society of America. Provided under the terms of the OSA Open Access Publishing Agreement. Received 10 April 2020; revised 13 June 2020; accepted 6 August 2020; posted 6 August 2020 (Doc. ID 394940); published 11 September 2020. The authors thank H. Lee (KAIST), J. Liu and T. Kippenberg (EPFL), K. Yang (Stanford), and M. Suh (Caltech) for helpful discussions. Funding: Defense Advanced Research Projects Agency (HR0011-15-C-055, sub-award KK1540); Air Force Office of Scientific Research (FA9550-18-1-0353); Kavli Nanoscience Institute. | ||||||||||||
| Group: | Kavli Nanoscience Institute | ||||||||||||
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| Issue or Number: | 18 | ||||||||||||
| DOI: | 10.1364/ol.394940 | ||||||||||||
| Record Number: | CaltechAUTHORS:20201029-153228861 | ||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20201029-153228861 | ||||||||||||
| Official Citation: | Lue Wu, Heming Wang, Qifan Yang, Qing-xin Ji, Boqiang Shen, Chengying Bao, Maodong Gao, and Kerry Vahala, "Greater than one billion Q factor for on-chip microresonators," Opt. Lett. 45, 5129-5131 (2020) | ||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||
| ID Code: | 106346 | ||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||
| Deposited By: | Tony Diaz | ||||||||||||
| Deposited On: | 29 Oct 2020 23:06 | ||||||||||||
| Last Modified: | 16 Nov 2021 18:53 |
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