Book excerpt: Discusses state-of-the-art and the realization of the integrated device to test the amplification proposal of a synthetic nucleic acid template. It covers the control algorithm for designing the Maximum Power Point Tracker (MPPT) enabled electrical interface system. Discusses designing and generating new metasurface antenna for future applications. Covers integration of optical structures with MEMS devices for implementation in Photonic Integrated Circuits. Presents state-of-art in-exact multiplier architectures and their efficient implementation.