Factorization in a single run with an optical interferometer

Vincenzo Tamma; Heyi Zhang; Xuehua He; Augusto Garuccio; Yanhua Shih

doi:10.1117/12.828310

26 August 2009 Factorization in a single run with an optical interferometer

Vincenzo Tamma, Heyi Zhang, Xuehua He, Augusto Garuccio, Yanhua Shih

Proceedings Volume 7465, Quantum Communications and Quantum Imaging VII; 74650U (2009) https://doi.org/10.1117/12.828310
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States

Abstract

We will describe a new factorization algorithm based on the reproduction of continuous exponential sums, using the interference pattern produced by polychromatic light interacting with an interferometer with variable optical paths. We will describe two possible interferometers: a generalized symmetric Michelson interferometer and a liquid crystal grating. Such an algorithm allows, for the first time, to find all the factors of a number N in a single run without precalculating the ratio N/l, where l are all the possible trial factors. It also allows to solve the problem of ghost factors and to factorize different numbers using the same output interference pattern.

Citation Download Citation

Vincenzo Tamma, Heyi Zhang, Xuehua He, Augusto Garuccio, and Yanhua Shih "Factorization in a single run with an optical interferometer", Proc. SPIE 7465, Quantum Communications and Quantum Imaging VII, 74650U (26 August 2009); https://doi.org/10.1117/12.828310

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