Optimization of Photonic Crystal Fiber Based Optical Sensors for Intelligent Optical Communication Sensing

The increasing needs for broadband mid-infrared sources have been resulting in considerable requirements for highly efficient and compact supercontinuum generators. Although broadband radiation sources including synchrotrons can provide excellent radiation intensity and spectral coverage, these types of sources are rather expensive, bulky, and difficult to access, which limits their wide use. This way, nonlinear frequency conversion and supercontinuum generation inside optical fibers can be considered one of the most promising methods of development of broadband mid-IR sources. It is currently shown that chalcogenide PCFs can produce ultra-broadband supercontinuum spectra covering several octaves. However, supercontinuum generation is still quite challenging.