Controllable generation of structured light beams in a few-mode fiber MOPA

Lin, Di, Carpenter, Joel, Feng, Yutong, Jung, Yongmin, Alam, Shaif-Ul and Richardson, David J. (2020) Controllable generation of structured light beams in a few-mode fiber MOPA. In CLEO: Science and Innovations 2020: Postdeadline Paper. vol. 2020-May (doi:10.1364/CLEO_AT.2020.JTh4B.8).

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Abstract

We experimentally demonstrate the selective amplification of structured light beams with >10W of output power for ~150 picosecond pulses in a few-mode Yb-doped large mode area fiber based Master Oscillator Power Amplifier (MOPA).

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CLEO_AT-2020-JTh4B.8

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Published date: May 2020

Additional Information: Funding Information: In conclusion, we have demonstrated the generation of structured light beams in a FM-LMA fiber based MOPA by implementing feedback-based wavefront shaping of the input signal to the final stage FM-amplifier. We successfully generated various scalar and vector fiber modes on demand with high mode purity at the 10W level, demonstrating that this approach provides a promising way to develop flexible high power structured light lasers. This work was supported by the UK EPSRC under grant EP/P012248/1, EP/P030181 and EP/N00762X/1. Publisher Copyright: © 2020 OSA.

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