期刊
OPTICS COMMUNICATIONS
卷 395, 期 -, 页码 51-54出版社
ELSEVIER
DOI: 10.1016/j.optcom.2016.01.028
关键词
Microlaser; Microcavity; Neodymium ions
类别
资金
- National Basic Research Program of China [2012CB921804]
- National Natural Science Foundation of China, China [61435007, 11574144, 11321063]
- Natural Science Foundation of Jiangsu Province, China [BK20150015]
- Fundamental Research Funds for the Central Universities [021314380003, 021314380015]
We demonstrate ultralow-threshold neodymium-doped silica microsphere lasers on a silicon chip with lasing wavelengths of similar to 900 nm and similar to 1060 nm. Neodymium-doped microsphere cavities are fabricated with a series of doping concentrations using silica sol-gel films. Experimentally, we observe single-mode lasing emissions from the high-Q microsphere cavities with a threshold of as low as 1.2 mu W. (C) 2016 Elsevier B.V. All rights reserved.
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