Quantum computing

The area of quantum computing has great economical and societal potential. The field was born in the early 1980s through work of Richard Feynman, Paul Benioff, and David Deutsch. The biggest success so far and the event which ignited the current explosive growth of the field of quantum computing was Peter Shor's 1994 discovery of an efficient quantum algorithm for finding the prime factors (factoring) of large integers. Further with more improvements, Quantum computing has shown very promising in the areas of search algorithms, cryptography schemes and error correction.; Quantum computers are really more powerful than the classical ones because they will utilize non-classical logic operations to perform operations that are not feasible on a classical computer. The enhanced capabilities of quantum computers result partly from their expected ability to perform many different calculations simultaneously on a single processor.; The goal of this paper is to give a brief introduction of Quantum Computing showing its strengths and weaknesses and contrast it with regular computing. It also provides the various advancements and experiments currently being carried out in the world of Quantum computing. It shows the effectiveness of Quantum Cryptography and the available cryptographic systems in the market that can be used to enhance the security link of existing companies whose work depends on daily communications.