Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/106762
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dc.contributor.authorJang, Heesuken
dc.contributor.authorKim, Byung Sooen
dc.contributor.authorChun, Byung Jaeen
dc.contributor.authorKang, Hyun Jayen
dc.contributor.authorJang, Yoon-Sooen
dc.contributor.authorKim, Yong Wooen
dc.contributor.authorKim, Young-Jinen
dc.contributor.authorKim, Seung-Wooen
dc.date.accessioned2019-06-26T03:12:18Zen
dc.date.accessioned2019-12-06T22:17:54Z-
dc.date.available2019-06-26T03:12:18Zen
dc.date.available2019-12-06T22:17:54Z-
dc.date.issued2019en
dc.identifier.citationJang, H., Kim, B. S., Chun, B. J., Kang, H. J., Jang, Y.-S., Kim, Y. W., . . . Kim, S.-W. (2019). Comb-rooted multi-channel synthesis of ultra-narrow optical frequencies of few Hz linewidth. Scientific Reports, 9, 7652-. doi:10.1038/s41598-019-44122-5en
dc.identifier.urihttps://hdl.handle.net/10356/106762-
dc.description.abstractWe report a multi-channel optical frequency synthesizer developed to generate extremely stable continuous-wave lasers directly out of the optical comb of an Er-doped fiber oscillator. Being stabilized to a high-finesse cavity with a fractional frequency stability of 3.8 × 10−15 at 0.1 s, the comb-rooted synthesizer produces multiple optical frequencies of ultra-narrow linewidth of 1.0 Hz at 1 s concurrently with an output power of tens of mW per each channel. Diode-based stimulated emission by injection locking is a key mechanism that allows comb frequency modes to sprout up with sufficient power amplification but no loss of original comb frequency stability. Channel frequencies are individually selectable with a 0.1 GHz increment over the entire comb bandwidth spanning 4.25 THz around a 1550 nm center wavelength. A series of out-of-loop test results is discussed to demonstrate that the synthesizer is able to provide stable optical frequencies with the potential for advancing diverse ultra-precision applications such as optical clocks comparison, atomic line spectroscopy, photonic microwaves generation, and coherent optical telecommunications.en
dc.description.sponsorshipNRF (Natl Research Foundation, S’pore)en
dc.format.extent8 p.en
dc.language.isoenen
dc.relation.ispartofseriesScientific Reportsen
dc.rights© 2019 The Author(s). This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.en
dc.subjectOptical Frequency Synthesizeren
dc.subjectEngineering::Mechanical engineeringen
dc.subjectMulti-channelen
dc.titleComb-rooted multi-channel synthesis of ultra-narrow optical frequencies of few Hz linewidthen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen
dc.identifier.doi10.1038/s41598-019-44122-5en
dc.description.versionPublished versionen
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