A novel photonic quasi-crystal fiber for transmission of orbital angular momentum modes

Qiang Liu, Wenshu Lu, Yudan Sun, Jingwei Lv, Wei Liu, Chao Liu*, Shengnan Tai, Binwen Li, Jin Zhao, Yu Jiang, Tao Sun, Paul K. Chu

*Corresponding author for this work

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

9 Citations (Scopus)

Abstract

A photonic quasi-crystal fiber (PQF) based on the 12-fold symmetry quasi-periodic structure is designed for transmission of orbital angular momentum (OAM) modes. In this PQF, the effective refractive index difference of the degenerate modes is greater than 10−4 and 110 high-quality OAM modes in the wavelength range between 1.46 and 1.60 µm are supported. The characteristics of the PQF are numerically analyzed by the finite element method. This PQF with a confinement loss of less than 10−9 dB/m and effective mode area larger than 100 µm2 has many potential applications in mode division multiplexing for fiber communication systems.
Original languageEnglish
Article number168446
JournalOptik
Volume251
Online published8 Dec 2021
DOIs
Publication statusPublished - Feb 2022

Research Keywords

  • Confinement loss
  • Nonlinear coefficient
  • OAM
  • Photonic quasi-crystal fiber

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