Quantum Logic Gate–Based Circuit Design for Computing Applications
Joy Bhattacharjee, Arpan Deyasi · 2024
Quantum computing, which is the most famed topic in this era, a combination of quantum mechanics from the 1900s and the computing point of view, takes a huge place in the quantum realm. Starting from the foundation of abacus since 2700–2300 BC, we humans have always been trying to compute in different ways, and the most modern way of doing it comes with the binary system. Bit is the smallest unit of a binary system and can be in two states, either 0 or 1. On the contrary, quantum computing deals with the “quantum bit” or “qubit”; possible outcomes from the qubits are neither 0 nor 1. It will always be a combination of 0 and 1, which is based on the superposition principle from quantum physics. In this chapter, details of quantum logic gates are discussed for the circuit design perspective, which will be achievable for future realization of quantum computers. Architecture and corresponding formation of basic quantum circuits are discussed, along with the methods of quantum computing. How the technique differs from conventional approaches is also highlighted. The work may be directed toward future hardware realization of quantum information processing.