Design of a new 2-channel demultiplexer based on Photonic Crystal Fiber

Abstract

As miniaturization becomes a critical need in many integrated applications, various researchers have primarily focused on creating optical systems and components based on photonic crystal fiber during the past few decades. This article describes a brand-new 1x2 power demultiplexer idea using photonic crystal fiber as a basis. The luminous connection between the center core and coherent laser sources is made possible by inserting defects in the structure of the photonic crystal fiber (PCF) to change the silica and air index. Simulation results will show that two optical signals, 1.46 µm and 1.48 µm, at the input of a PCF structure can be separated into two parts at the output. The novel design controls the direction of light propagation between layers by swapping various air-hole locations using pure silica layers along the length of the fiber. In optical systemic communications, wavelength demultiplexers are crucial components. They act as data distributors and generate several outputs with a single input. This article aims to propose a novel structure with the best performance by introducing flaws in the structure to guide light according to the desired path and demultiplex our signals. By employing a DWDM system, this device may help increase the data bitrate.