Nature

Realization of optical logic gates using on-chip diffractive optical neural networks

Modern semiconductor-based electronics is rapidly approaching fundamental limits caused by interconnect delays and large heat generation 1. Because photons have intrinsically higher ...
Nature

Optical XOR logic gate design in two dimensional photonic crystal using ANN and PSO

In this paper, we present an all-optical XOR gate based on two-dimensional photonic crystals (PCs). The proposed gate is designed to be used in optical computing and all-optical logic applications, ...
Hackaday

Patching Together Logic Gates

The digital world offers many advantages over its analog relatives, the use of boolean logic among them. Some of the functions, like NOT, OR, and AND are fairly straightforward and line up nicely with ...
EDN

Using isolated ADCs and an XNOR logic gate as a multiplier to measure active power

Multiplying two analog signals involves the use of analog multipliers, usually implemented by using log and antilog circuit blocks or the Gilbert cell. Today, the most common technique used to ...