4 March 2015 Abstract probabilistic CNOT gate model based on double encoding: study of the errors and physical realizability
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Abstract
In this work, we study the error sources standing behind the non-perfect linear optical quantum components composing a non-deterministic quantum CNOT gate model, which performs the CNOT function with a success probability of 4/27 and uses a double encoding technique to represent photonic qubits at the control and the target. We generalize this model to an abstract probabilistic CNOT version and determine the realizability limits depending on a realistic range of the errors. Finally, we discuss physical constraints allowing the implementation of the Asymmetric Partially Polarizing Beam Splitter (APPBS), which is at the heart of correctly realizing the CNOT function.
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Amor Gueddana, Attia Moez, Rihab Chatta, "Abstract probabilistic CNOT gate model based on double encoding: study of the errors and physical realizability", Proc. SPIE 9377, Advances in Photonics of Quantum Computing, Memory, and Communication VIII, 937712 (4 March 2015); doi: 10.1117/12.2076669; https://doi.org/10.1117/12.2076669
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