Integrated ytterbium-doped lithium niobate microring lasers

Integrated and stable microlasers are indispensable building blocks of micro-photonics. Here, we report the realization of an ytterbium-doped lithium niobate microring laser operating in the 1060-nm band under the pump of a 980-nm-band laser. The monolithic laser has a low threshold of 59.32 µW and...

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Bibliographic Details
Published in:Optics letters 2022-03, Vol.47 (6), p.1427-1430
Main Authors: Luo, Qiang, Yang, Chen, Hao, Zhenzhong, Zhang, Ru, Ma, Rui, Zheng, Dahuai, Liu, Hongde, Yu, Xuanyi, Gao, Feng, Bo, Fang, Kong, Yongfa, Zhang, Guoquan, Xu, Jingjun
Format: Article
Language:English
Subjects:
Lasers
Lithium niobates
Metal ions
Microlasers
Photonics
Rare earth elements
Thin films
Ytterbium
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Summary:Integrated and stable microlasers are indispensable building blocks of micro-photonics. Here, we report the realization of an ytterbium-doped lithium niobate microring laser operating in the 1060-nm band under the pump of a 980-nm-band laser. The monolithic laser has a low threshold of 59.32 µW and relatively high output power of 6.44 µW, a state-of-the-art value for rare-earth ions-doped lithium niobate thin-film lasers. The monolithic laser with desirable performance and attractive scalability may find many applications in lithium niobite photonics.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.451742