Journal
OPTICS LETTERS
Volume 47, Issue 6, Pages 1427-1430Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.451742
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Funding
- National Key Research and Development Program of China [2019YFA0705000]
- National Natural Science Foundation of China [12034010, 12134007, 11734009, 92050111, 12074199, 92050114, 12004197]
- 111 Project [B07013]
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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 and relatively high output power, making it suitable for various applications in lithium niobate photonics.
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 5932 mu W and relatively high output power of 6.44 mu W, 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. (C) 2022 Optica Publishing Group
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