[1] J Nilsson, D N Payne, Y Jeong, et al. High-power fiber lasers. Science, 332, 921-922(2011).
[4] A V Smith, J J Smith. Overview of a steady-periodic model of modal instability in fiber amplifiers. IEEE Journal of Selected Topics in Quantum Electronics, 20, 1-12(2014).
[10] Y L She, D J Zhou, X Y Chen, et al. Study on ultralow bending loss of bend-insensitive single-mode optical fiber. Optical Fiber Technology, 50, 225-232(2019).
[15] S S Ma, T G Ning, L Pei, et al. Bend-resistant leaky multi-trench fiber with large mode area and single-mode operation. PLoS ONE, 13, 0203047(2018).