Yao Lu, Zongfu Jiang, Wenguang Liu, Zilun Chen, Man Jiang, Qiong Zhou, Jiangbin Zhang. Laser Mode Control in Fiber with Core Diameter of 30 μm Based on 3×1 Photonic Lantern[J]. Acta Optica Sinica, 2021, 41(17): 1736001
- Acta Optica Sinica
- Vol. 41, Issue 17, 1736001 (2021)
Fig. 1. Diagram of photonic lantern structure and mode evolution process. (a) Diagram of photonic lantern structure; (b) cut end face of waist region of single-mode fiber bundle observed under microscope; (c) mode evolution of ideal beam in 3×1 photonic lantern
Fig. 2. Spatial pattern adaptive control system based on photonic lantern
Fig. 3. Image of fundamental mode output
Fig. 4. Images of high-order mode outputs. (a) LP11o mode; (b) LP11e mode
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