Abstract

GURYEV, I.; SHULIKA, O.; ANDRADE LUCIO, J. A.  and  MATA CHAVEZ, R. I.. Field propagation study in ultra-small core photonic crystal fiber beyond the fundamental mode cut-off. Rev. mex. fis. [online]. 2022, vol.68, n.2, e021302.  Epub Mar 27, 2023. ISSN 0035-001X.  https://doi.org/10.31349/revmexfis.68.021302.

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 the use plane waves expansion (PWE) method to find necessary parameters and then involve the finitedifference time-domain (FDTD) method accelerated with a graphic processing unit (GPU) for long-range light propagation simulation. The confinement losses beyond λ =1200 nm achieves tens of dB/cm, which can be lowered significantly by increasing the number of cladding rings.

Keywords : Photonic crystal fiber; fundamental mode cut-off; ultra-small core.

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