Few recent developments in enhancement of photodetectors and photodetection systems for particular applications are covered in this all inclusive book. It consists of theoretical aspects and simulations. It also provides information regarding the optimization of photodetection systems for transfers of time, measurement of vibrations, imaging, particle size analysis, magnetic field, particle energy, and polarization of light. The aim of this book is to serve as a valuable source of reference for researchers, students, and engineers engaged in the field of photonics and advanced technologies.