Li, Bohan and Jin, Warren and Wu, Lue and Chang, Lin and Wang, Heming and Shen, Boqiang and Yuan, Zhiquan and Feshali, Avi and Paniccia, Mario and Vahala, Kerry J. and Bowers, John E. (2021) Reaching fiber-laser coherence in integrated photonics. Optics Letters, 46 (20). pp. 5201-5204. ISSN 0146-9592. doi:10.1364/ol.439720. https://resolver.caltech.edu/CaltechAUTHORS:20211105-175602817
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Abstract
We self-injection-lock a diode laser to a 1.41 m long, ultra-high Q integrated resonator. The hybrid integrated laser reaches a frequency noise floor of 0.006Hz²/Hz at 4 MHz offset, corresponding to a Lorentzian linewidth below 40 mHz—a record among semiconductor lasers. It also exhibits exceptional stability at low-offset frequencies, with frequency noise of 200Hz²/Hz at 100 Hz offset. Such performance, realized in a system comprised entirely of integrated photonic chips, marks a milestone in the development of integrated photonics; and, for the first time, to the best of our knowledge, exceeds the frequency noise performance of commercially available, high-performance fiber lasers.
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| Additional Information: | © 2021 Optical Society of America. Received 5 August 2021; revised 24 September 2021; accepted 26 September 2021; posted 28 September 2021 (Doc. ID 439720); published 13 October 2021. The authors thank Yaakov Shevy and Reginald Lee from Orbits Lightwave for supplying the EthernalTM fiber laser. Funding: DARPA LUMOS (HR001-20-2-0044); Anello Photonics. The authors declare no conflicts of interest. Data Availability: Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the authors upon reasonable request. | ||||||||||||||
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| Issue or Number: | 20 | ||||||||||||||
| DOI: | 10.1364/ol.439720 | ||||||||||||||
| Record Number: | CaltechAUTHORS:20211105-175602817 | ||||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20211105-175602817 | ||||||||||||||
| Official Citation: | Bohan Li, Warren Jin, Lue Wu, Lin Chang, Heming Wang, Boqiang Shen, Zhiquan Yuan, Avi Feshali, Mario Paniccia, Kerry J. Vahala, and John E. Bowers, "Reaching fiber-laser coherence in integrated photonics," Opt. Lett. 46, 5201-5204 (2021); DOI: 10.1364/ol.439720 | ||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||
| ID Code: | 111770 | ||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||
| Deposited By: | Tony Diaz | ||||||||||||||
| Deposited On: | 05 Nov 2021 18:44 | ||||||||||||||
| Last Modified: | 05 Nov 2021 18:44 |
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