Electronically tunable mid-infrared mode-locked dysprosium fiber laser with over 330nm tunability

R. I. Woodward; M. R. Majewski; S. D. Jackson

doi:10.1117/12.2507093

7 March 2019 Electronically tunable mid-infrared mode-locked dysprosium fiber laser with over 330nm tunability

R. I. Woodward, M. R. Majewski, S. D. Jackson

Proceedings Volume 10897, Fiber Lasers XVI: Technology and Systems; 108970R (2019) https://doi.org/10.1117/12.2507093
Event: SPIE LASE, 2019, San Francisco, California, United States

Abstract

Mode-locked fiber lasers are currently limited to sub-3-μm wavelengths, despite application-driven demand for longer wavelength mid-IR pulse sources. Erbium- and holmium-doped fluoride fiber lasers are emerging for 2.7-2.9 μm emission, yet further extending this coverage is challenging. Here, we propose a new approach using dysprosium-doped fiber with frequency shifted feedback (FSF), achieving 33 ps pulses with up to 2.7 nJ energy, tunable from 2.97 to 3.30 μm. Notably, this is the longest wavelength mode-locked fiber laser and the most broadly tunable pulsed fiber source to date. Simulations are also performed, offering insights into the dynamics of FSF pulse generation.

Conference Presentation

Citation Download Citation

R. I. Woodward, M. R. Majewski, and S. D. Jackson "Electronically tunable mid-infrared mode-locked dysprosium fiber laser with over 330nm tunability", Proc. SPIE 10897, Fiber Lasers XVI: Technology and Systems, 108970R (7 March 2019); https://doi.org/10.1117/12.2507093

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