Abstract probabilistic CNOT gate model based on double encoding

What is it about?

We used both dual-rail and polarization encoding and proposed a CNOT model with a success probability equal to 4/27. Our aim in this work is to extend our result to the study of the errors that could be caused by the optical linear components constituting the CNOT.

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Why is it important?

This study allowed us to obtain by numerical simulation the error ranges that defines a set of abstract probabilistic CNOT transforms. Another contribution in this work is that we address a physical proposal to realize the so-called Asymmetric Partially Polarizing Beam Splitter (APPBS).