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Low noise single frequency DFB fiber laser
Author(s): Kang Ying; Haiwen Cai; Fang Wei; Fei Yang; Dijun Chen; Ronghui Qu
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Paper Abstract

Low noise laser sources with narrow linewidth and low intensity noise are key tools in a broad range of applications such as optical sense, microwave photonics, coherent optical communications and so on. The report gives an introduction about our research progress of the narrow-linewidth single frequency DFB fiber lasers. An internally developed DFB fiber laser is developed. The noise characteristic of laser output is studied in detail. The frequency noise in low Fourier frequency is reduced via using the low noise pump and intracavity optical negative feedback. Furthermore, an injecting lock scheme is used to reduce the intensity noise. A fiber laser output with low frequency noise and low intensity noise has been demonstrated.

Paper Details

Date Published: 5 November 2018
PDF: 8 pages
Proc. SPIE 10811, High-Power Lasers and Applications IX, 1081108 (5 November 2018); doi: 10.1117/12.2503251
Show Author Affiliations
Kang Ying, Shanghai Institute of Optics and Fine Mechanics (China)
Haiwen Cai, Shanghai Institute of Optics and Fine Mechanics (China)
Fang Wei, Shanghai Institute of Optics and Fine Mechanics (China)
Fei Yang, Shanghai Institute of Optics and Fine Mechanics (China)
Dijun Chen, Shanghai Institute of Optics and Fine Mechanics (China)
Ronghui Qu, Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 10811:
High-Power Lasers and Applications IX
Ruxin Li; Upendra N. Singh, Editor(s)

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