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Generation of Large Photon-Number Cat States using Linear Optics and Quantum Memory

N. J. Cerf·J. Fiurasek·S. Iblisdir·S. Massar
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Abstract

A recursive method for producing path-entangled states of light is presented. These states may find applications in quantum lithography and high-precision interferometric measurements. The required resources are single-photon sources, linear optics components, and photodetectors. Adding a quantum memory greatly enhances the yield in comparison with the previously known schemes.

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N. J. Cerf, J. Fiurasek, S. Iblisdir, S. Massar. 2002-10-09. Generation of Large Photon-Number Cat States using Linear Optics and Quantum Memory. https://arxiv.org/abs/quant-ph/0210059

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