Description:
(abstract)A single-mode erbium-doped optical fiber (SM-EDF) and a single-mode erbium–ytterbium co-doped optical fiber (SM-EYDF) were pumped using solar light. As a result, emitted light in the 1550 nm band was observed. Furthermore, we compared the emission properties of SM-EDF and SM-EYDF. The emission peak of SM-EYDF was more than twice as high as that of SM-EDF. The optimal fiber lengths for peak emission of SM-EYDF were found to be approximately 18.8 cm in the present experiment environment. This paper is the first to apply SM-EYDF to solar pumping and conduct detailed investigations, including fiber length characteristics. The possibility exists that increasing the power output and introducing oscillation systems fibers can make them applicable to long-distance optical communication light sources and amplifiers driven solely by solar light.
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This is the peer reviewed version of the following article: [Kazuya Takimoto, Takuma Nomura, Hiroki Nakamura, Yuto Kiyota, Hiroaki Furuse, Shinki Nakamura, Fatemeh Abrishamian, Hiroyasu Sone, Light Emission in the 1550 nm Band in Single-Mode Erbium-Ytterbium Co-Doped Optical Fiber by Solar Pumping, IEEJ Transactions on Electronics, Information and Systems, 2026, Volume 146, Issue 4, Pages 301-305, Released on J-STAGE April 01, 2026, Online ISSN 1348-8155, Print ISSN 0385-4221], which has been published in final form at https://doi.org/10.1541/ieejeiss.146.301.
Keyword: Erbium-doped optical fiber, Erbium-Ytterbium co-doped optical fiber, Solar-pumped laser
Date published: 2026-04-01
Publisher: Institute of Electrical Engineers of Japan (IEE Japan)
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Manuscript type: Author's version (Accepted manuscript)
MDR DOI: https://doi.org/10.48505/nims.6247
First published URL: https://doi.org/10.1541/ieejeiss.146.301
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Updated at: 2026-04-03 14:46:34 +0900
Published on MDR: 2026-04-03 16:27:44 +0900
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