Detection of higher order modes gravitational waves in third-generation (3G) ground-based detectors such as Cosmic Explorer and Einstein Telescope is explored. Using the astrophysical population binary black holes based on events reported second wave catalog by Laser Interferometer Gravitational Wave Observatory (LIGO) Virgo (GWTC-2), conjunction with Madau-Dickinson model for redshift evolutio...

This paper presents a study of the phasematching properties third-order parametric down-conversion process in multimode optical fibers with step-index profile. Through this process, entangled photon triplets can be generated spontaneous regime. We show that is achieved wide range fiber geometries, provided pump field propagates higher-order mode. Furthermore, we nonlinear coefficient and absolu...

One of interesting properties of photonic crystal fibers (PCFs) is their possibility to be single-moded over a wide wavelength range, down to UV, while still having a reasonably large modal profile. Such properties are attractive for applications like optical sensing, interferometry, and transport of white light. PCFs, which is designed specially for such property are known as the endlessly sin...

Rigid body modes are a necessary set of modes used in the development of component system models. Often these modes are difficult to obtain during modal testing due to instrumentation limitations or test difficulties. Using a combination of singular value decomposition, modal parameter estimation to purge higher order mode effects and structural dynamic modification, a set of appropriately scal...