Numerical analysis of octagonal photonic crystal fiber for orbital angular momentum propagation

Ashish Tummuri; Shweta Mittal; Ankur Saharia; Manish Tiwari

doi:10.1117/12.2621422

19 May 2022 Numerical analysis of octagonal photonic crystal fiber for orbital angular momentum propagation

Ashish Tummuri, Shweta Mittal, Ankur Saharia, Manish Tiwari

Proceedings Volume 12140, Micro-Structured and Specialty Optical Fibres VII; 121400G (2022) https://doi.org/10.1117/12.2621422
Event: SPIE Photonics Europe, 2022, Strasbourg, France

Abstract

In this paper, we present the results of numerical simulations of Octagonal Photonic Crystal Fiber (O-PCF). The fiber has a ring core made up of Germanium doped silica and cladding is made up of silica glass with aire-holes arranged in octagonal lattice. The O-PCF is capable of propagating 6 OAM modes with highest mode quality-OAM purity equal to 92% at 1.55µm. Other parameters investigated are OAM purity, Neff, Effective Area, Dispersion, Confinement loss and non-linearity. Finite Element Method (FEM) is used for analysis of O-PCF characteristics using COMSOL Multiphysics. High mode purity, flat dispersion and low confinement loss makes the proposed O-PCF a potential candidate for telecom applications such as high-speed, high-capacity, transmission, Space Division Multiplexing (SDM), 6G applications as well as for non-telecom applications such as Supercontinuum Generation (SCG).

Conference Presentation

Citation Download Citation

Ashish Tummuri, Shweta Mittal, Ankur Saharia, and Manish Tiwari "Numerical analysis of octagonal photonic crystal fiber for orbital angular momentum propagation", Proc. SPIE 12140, Micro-Structured and Specialty Optical Fibres VII, 121400G (19 May 2022); https://doi.org/10.1117/12.2621422

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