Quantum error rejection code with spontaneous parametric conversion

Details Quantum error rejection code with spontaneous parametric conversion Quantum error rejection code with spontaneous parametric conversion

2003-03-03

arxiv.org/abs/quant-ph/0303010v6

Physics

Quantum Physics

To appear in Phys. Rev. A. 18 pages, 2 figure, minor erros corrected and more explanations added to increase the readability

Scientific paper

10.1103/PhysRevA.69.022320

We propose a linear optics scheme with SPDC process to test the fault tolerance property of quantum error correction code. To transmit an unknown qubit robustly through the noisy channel, one may first encode it into a certain quantum error correction code and then transmit it. The remote party decodes it and stores it. Sending a qubit in such a way can significantly reduces the error rate compared with directly sending the qubit itself. Here we show how to realize such a scheme by linear optics.

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