Journal
OPTIK
Volume 251, Issue -, Pages -Publisher
ELSEVIER GMBH
DOI: 10.1016/j.ijleo.2021.168446
Keywords
OAM; Photonic quasi-crystal fiber; Confinement loss; Nonlinear coefficient
Categories
Funding
- Provincial Talent Project [ts26180221]
- Youth Science Foundation of Northeast Petroleum University [2019QNL-17]
- Postdoctoral Scientific Research Development Fund of Heilongjiang Province [LBH-Q20081]
- Local Universities Reformation and Development Personnel Training Supporting Project from Central Authorities [140119001]
- City University of Hong Kong Strategic Research Grant (SRG) [7005505]
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A photonic quasi-crystal fiber based on the 12-fold symmetry quasi-periodic structure is designed for transmission of orbital angular momentum (OAM) modes, supporting 110 high-quality OAM modes with low loss and large mode area, suitable for mode division multiplexing in fiber communication systems.
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 mu m 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 mu m2 has many potential applications in mode division multiplexing for fiber communication systems.
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