3 mJ all-fiber MOPA with a short-length highly Er3+-doped phosphate fiber

Joshua Olson; Xiushan Zhu; R. Dawson Baker; Kort Wiersma; Michael Li; Jie Zong; Arturo Chavez-Pirson; N. Peyghambarian

doi:10.1109/LPT.2020.3036060

3 mJ all-fiber MOPA with a short-length highly Er³⁺-doped phosphate fiber

Joshua Olson, Xiushan Zhu, R. Dawson Baker, Kort Wiersma, Michael Li, Jie Zong, Arturo Chavez-Pirson, N. Peyghambarian

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

A very large mode-area 2 wt% erbium-doped double-clad phosphate fiber with a core diameter of 60 μm and core numerical aperture of 0.03 was fabricated and used for the last stage amplifier of an all-fiber pulsed laser master-oscillator power amplifier (MOPA) at 1550 nm. The Er³⁺double-clad phosphate fiber has a cladding-core ratio of 2.17 and a V number of 3.6 at 1550 nm. 3 mJ pulses with 21.5 ns duration were obtained with Gaussian-like spatial beam profile with only a 75 cm long phosphate gain fiber.

Original language	English (US)
Article number	9249014
Pages (from-to)	1481-1484
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	32
Issue number	23
DOIs	https://doi.org/10.1109/LPT.2020.3036060
State	Published - Dec 1 2020

Keywords

Erbium-doped fiber amplifiers
Optical fibers
Optical pulses

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

Access to Document

10.1109/LPT.2020.3036060

Cite this

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title = "3 mJ all-fiber MOPA with a short-length highly Er3+-doped phosphate fiber",

abstract = "A very large mode-area 2 wt% erbium-doped double-clad phosphate fiber with a core diameter of 60 μm and core numerical aperture of 0.03 was fabricated and used for the last stage amplifier of an all-fiber pulsed laser master-oscillator power amplifier (MOPA) at 1550 nm. The Er3+double-clad phosphate fiber has a cladding-core ratio of 2.17 and a V number of 3.6 at 1550 nm. 3 mJ pulses with 21.5 ns duration were obtained with Gaussian-like spatial beam profile with only a 75 cm long phosphate gain fiber.",

keywords = "Erbium-doped fiber amplifiers, Optical fibers, Optical pulses",

author = "Joshua Olson and Xiushan Zhu and Baker, {R. Dawson} and Kort Wiersma and Michael Li and Jie Zong and Arturo Chavez-Pirson and N. Peyghambarian",

note = "Funding Information: Manuscript received September 17, 2020; revised October 23, 2020; accepted November 2, 2020. Date of publication November 5, 2020; date of current version November 17, 2020. This work was supported in part by an Army SBIR Phase II under Grant W9113M-19-C-0065 and in part by the Technology Research Initiative Fund (TRIF) Photonics Initiative of the University of Arizona. (Corresponding author: Xiushan Zhu.) Joshua Olson, Xiushan Zhu, R. Dawson Baker, and N. Peyghambarian are with the College of Optical Sciences, The University of Arizona, Tucson, AZ 85721 USA (e-mail: [email protected]; [email protected]; [email protected]; nasser@optics. arizona.edu). Publisher Copyright: {\textcopyright} 2020 Institute of Electrical and Electronics Engineers Inc.. All rights reserved.",

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AU - Li, Michael

AU - Zong, Jie

AU - Chavez-Pirson, Arturo

AU - Peyghambarian, N.

N1 - Funding Information: Manuscript received September 17, 2020; revised October 23, 2020; accepted November 2, 2020. Date of publication November 5, 2020; date of current version November 17, 2020. This work was supported in part by an Army SBIR Phase II under Grant W9113M-19-C-0065 and in part by the Technology Research Initiative Fund (TRIF) Photonics Initiative of the University of Arizona. (Corresponding author: Xiushan Zhu.) Joshua Olson, Xiushan Zhu, R. Dawson Baker, and N. Peyghambarian are with the College of Optical Sciences, The University of Arizona, Tucson, AZ 85721 USA (e-mail: [email protected]; [email protected]; [email protected]; nasser@optics. arizona.edu). Publisher Copyright: © 2020 Institute of Electrical and Electronics Engineers Inc.. All rights reserved.

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N2 - A very large mode-area 2 wt% erbium-doped double-clad phosphate fiber with a core diameter of 60 μm and core numerical aperture of 0.03 was fabricated and used for the last stage amplifier of an all-fiber pulsed laser master-oscillator power amplifier (MOPA) at 1550 nm. The Er3+double-clad phosphate fiber has a cladding-core ratio of 2.17 and a V number of 3.6 at 1550 nm. 3 mJ pulses with 21.5 ns duration were obtained with Gaussian-like spatial beam profile with only a 75 cm long phosphate gain fiber.

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