Mode area scaling with ultra-high NA using M-type fibre for efficient high-power lasers around 2 µm

Deepak Jain; Deepak Jain; Jayanta K. Sahu; Simon Fleming; Simon Fleming

doi:10.1364/SOF.2020.SoTu3H.2

OSA Advanced Photonics Congress (AP) 2020 (IPR, NP, NOMA, Networks, PVLED, PSC, SPPCom, SOF)
OSA Technical Digest (Optica Publishing Group, 2020),
paper SoTu3H.2
•https://doi.org/10.1364/SOF.2020.SoTu3H.2

Mode area scaling with ultra-high NA using M-type fibre for efficient high-power lasers around 2 µm

Deepak Jain, Jayanta K. Sahu, and Simon Fleming

Specialty Optical Fibers 2020

Washington, DC United States
13–16 July 2020
ISBN: 978-1-943580-79-8

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High Power Fiber Lasers and Components II (SoTu3H)

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D. Jain, J. K. Sahu, and S. Fleming, "Mode area scaling with ultra-high NA using M-type fibre for efficient high-power lasers around 2 µm," in OSA Advanced Photonics Congress (AP) 2020 (IPR, NP, NOMA, Networks, PVLED, PSC, SPPCom, SOF), L. Caspani, A. Tauke-Pedretti, F. Leo, and B. Yang, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper SoTu3H.2.

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Abstract

We numerically investigated LP₀₂ mode in M-type fibres for mode-area scaling. A comparison with step-index fibres ensures up to 56% increment in mode-area with effective single mode operation for ultra-high NAs (~0.30) M-type fibres.

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