This Letter reports on a large mode area pixelated Bragg fiber in which some high refractive index rods were replaced. by boron-doped rods that allows polarization maintaining behavior while keeping single-mode behavior. The realized. all-solid fiber has a core diameter of 35 mu m. The fundamental mode is circular with a 25 mu m mode field diameter around 1 mu m wavelength, and the polarization extinction ratio reaches 30 dB. Finally, this fiber is single-mode and. bendable up to a 20 cm radius with fundamental mode losses lower than 0.3 dB/m. (C) 2020 Optical Society of America
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China Acad Engn Phys, Laser Fus Res Ctr, Mianyang 621900, Peoples R ChinaChina Acad Engn Phys, Laser Fus Res Ctr, Mianyang 621900, Peoples R China
Wang, J. J.
Huang, Z. H.
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China Acad Engn Phys, Laser Fus Res Ctr, Mianyang 621900, Peoples R China
Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R ChinaChina Acad Engn Phys, Laser Fus Res Ctr, Mianyang 621900, Peoples R China
Huang, Z. H.
Xu, D. P.
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China Acad Engn Phys, Laser Fus Res Ctr, Mianyang 621900, Peoples R ChinaChina Acad Engn Phys, Laser Fus Res Ctr, Mianyang 621900, Peoples R China
Xu, D. P.
Deng, Y.
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China Acad Engn Phys, Laser Fus Res Ctr, Mianyang 621900, Peoples R ChinaChina Acad Engn Phys, Laser Fus Res Ctr, Mianyang 621900, Peoples R China
Deng, Y.
Lin, H. H.
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China Acad Engn Phys, Laser Fus Res Ctr, Mianyang 621900, Peoples R ChinaChina Acad Engn Phys, Laser Fus Res Ctr, Mianyang 621900, Peoples R China
Lin, H. H.
Zhang, R.
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China Acad Engn Phys, Laser Fus Res Ctr, Mianyang 621900, Peoples R ChinaChina Acad Engn Phys, Laser Fus Res Ctr, Mianyang 621900, Peoples R China