Improvement of Stabilizer-Based Entanglement Distillation Protocols by Encoding Operators
Shun Watanabe, Matsumoto, R, Uyematsu, T · 2005
We show a class of encoding operators for a quantum stabilizer code such that the number of gates of the inverse encoding quantum circuit is O(nk), where k qubits are encoded into n qubits by the stabilizer code. Then, we demonstrate that the performances of two-way EDPs are improved by the different choice of inverse encoding operators from the class of inverse encoding operators proposed in this paper. As an example, we show the best EDP among currently known two-way EDPs for the wide range of fidelity.