Liang Chen, Huiyi Guo, Zekun Shi, Wenzhe Chang, Boyu Chen, Zhi Wang, Yan-ge Liu, "Low-loss, high-purity, and ultrabroadband all-fiber LP41 mode converter employing a mode-selective photonic lantern [Invited]," Chin. Opt. Lett. 21, 110008 (2023)
- Chinese Optics Letters
- Vol. 21, Issue 11, 110008 (2023)
Fig. 1. (a) Schematic of the PL; (b) single-mode end of the PL.
Fig. 2. Refractive index distribution of single-mode fibers.
Fig. 3. (a) ERI of eigenmodes along the taper; (b) evolution of
Fig. 4. (a) Image of the fabricated PL; (b) image of the cross section along the taper; (c) output of the PL at 1550 nm with different single-mode fibers as input.
Fig. 5. (a) Intensity distributions of
Fig. 6. ILs of
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