Field propagation study in ultra-small core photonic crystal fiber beyond the fundamental mode cut-off
DOI:
https://doi.org/10.31349/RevMexFis.68.021302Keywords:
Photonic crystal fiber, Fundamental mode cut-off, ultra-small coreAbstract
We present the study of the behavior of the electromagnetic field propagating in the ultra-small core photonic crystal fiber (PCF) beyond its fundamental mode cut-off. We first use plane waves expansion (PWE) method to find necessary parameters and then involve finite-difference time-domain (FDTD) method accelerated with graphic processing unit (GPU) for long-range light propagation simulation. The confinement losses beyond $\lambda = 1200 nm$ achieves tens of dB/cm which can be lowered significantly by increasing the number of cladding rings.
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Copyright (c) 2022 Igor Guryev
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Authors retain copyright and grant the Revista Mexicana de Física right of first publication with the work simultaneously licensed under a CC BY-NC-ND 4.0 that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.
