GHz-level all-fiber harmonic mode-locked laser based on microfiber-assisted nonlinear multimode interference
Optics & Laser Technology, ISSN: 0030-3992, Vol: 155, Page: 108367
2022
- 12Citations
- 7Captures
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Article Description
Light-matter interaction can be strongly enhanced in tiny core fibers, and it holds significant potential for stable harmonic mode-locking at gigahertz and a higher repetition rate. In this paper, we propose and demonstrate a GHz harmonic mode-locked fiber laser based on a microfiber-assisted nonlinear multimode interference (NL-MMI), which is achieved by the enhanced mode-filtering of nonlinear self-imaging in multimode fiber with a waist diameter of 12 μ m. A stable mode-locked is achieved with a repetition rate of 1.26 GHz at 1560.15 nm, corresponding to the 22nd harmonic of the fundamental frequency. Our results provide new insight into implementing high repetition frequency mode-locking fiber lasers.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0030399222005242; http://dx.doi.org/10.1016/j.optlastec.2022.108367; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85131966546&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S0030399222005242; https://dx.doi.org/10.1016/j.optlastec.2022.108367
Elsevier BV
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