Circular photonic crystal fiber supporting 118 orbital angular momentum modes transmission

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

View graph of relations

Author(s)

  • Haihao Fu
  • Chao Liu
  • Chunjie Hu
  • Lei Zhou
  • Ying Shi
  • Jingwei Lv
  • Lin Yang

Detail(s)

Original languageEnglish
Article number076102
Journal / PublicationOptical Engineering
Volume60
Issue number7
Online published7 Jul 2021
Publication statusPublished - Jul 2021

Abstract

Circular photonic crystal fiber consisting of doped amethyst and big and small round air holes is designed to support transmission of 118 orbital angular momentum (OAM) modes in the range of 1.2 to 1.65 μm. Numerical analysis by the finite element method (FEM) reveals that the effective index difference of all the modes are larger than 1 × 10-4, which can propagate OAM modes stably. The nonlinear coefficient is 0.583 W-1 km-1 at 1.55 μm, which is very low and helps to reduce mode coupling. In addition, the confinement loss of the eigenmode is between 10-12 and 10-8 dB/m. The dispersion is very flat for the low-order mode HE1,1, for which the dispersion variation is just 1.459 ps/(km nm). This fiber has great potential in stable and large-capacity mode propagation in optical communication.

Research Area(s)

  • nonlinear coefficient, optical communication, orbital angular momentum, photonic crystal fiber

Citation Format(s)

Circular photonic crystal fiber supporting 118 orbital angular momentum modes transmission. / Fu, Haihao; Liu, Chao; Hu, Chunjie; Zhou, Lei; Shi, Ying; Lv, Jingwei; Yang, Lin; Chu, Paul K.

In: Optical Engineering, Vol. 60, No. 7, 076102, 07.2021.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review