Design and Fabrication of a Ring-Core Photonic Crystal Fiber for Low-Crosstalk Propagation of OAM Modes
Abstract:
We propose and fabricate a novel ring-core photonic crystal fiber that supports 4 groups of OAM modes with 2.13×10-3 minimum difference of effective indices at 1550 nm. The realized fiber is expected to be a good platform for OAM mode transmission.
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