A petrol adulteration sensor based on a rectangular shaped hollow-core photonic crystal
fiber is proposed and numerically analyzed in the terahertz regime. The performance of the …

In this work, a higher order-to-fundamental mode converter is reported and analyzed based
on an asymmetric dual channel waveguide (ADC-WG) on silicon. In the reported structure …

To reduce the saturation voltage of fiber filter and improve the sensitivity of voltage sensing,
we propose and numerically demonstrate a multifunctional optoelectronic device with a flat …

In this article, dual elliptical ring core few-mode fiber (DE-RCF-FMF) profile with assisting
dual cladding is investigated. By this approach, it is possible to combine the performance …

Mode division multiplexing (MDM) is currently one of the most attractive multiplexing
techniques in optical communications, as it allows for an increase in the number of channels …

In this study, the coupling properties of multicore photonic crystal fibers (MCPCFs) are
analyzed numerically using COMSOL Multiphysics 5.5, based on the finite element method …

In this study, a compact mode converter based on an asymmetric dual-core photonic crystal
fiber (ADC-PCF) infiltrated with nematic liquid crystal (NLC) is reported. The full vectorial …

We propose a novel mode selective directional coupler based on microstructured cane for
higher order modes excitation. The coupler is composed by a single mode fiber (SMF) and a …

In this paper, we propose a broadband mode converter based on photonic crystal fiber
(PCF) starting from the method of propagation constant height fitting. Using the finite element …

In this work, we present a novel scheme to make a controllable, stable, and versatile all-fiber
mode converter device. The converter consists of a few modes polarization-maintaining …