Multi-Error-Correcting Amplitude Damping Codes

Details Multi-Error-Correcting Amplitude Damping Codes Multi-Error-Correcting Amplitude Damping Codes

2010-01-14

arxiv.org/abs/1001.2356v1

Proceedings 2010 IEEE International Symposium on Information Theory (ISIT 2010), Austin, USA, June 2010, pp. 2672-2676

Physics

Quantum Physics

5 pages. Submitted to ISIT 2010

Scientific paper

10.1109/ISIT.2010.5513648

We construct new families of multi-error-correcting quantum codes for the amplitude damping channel. Our key observation is that, with proper encoding, two uses of the amplitude damping channel simulate a quantum erasure channel. This allows us to use concatenated codes with quantum erasure-correcting codes as outer codes for correcting multiple amplitude damping errors. Our new codes are degenerate stabilizer codes and have parameters which are better than the amplitude damping codes obtained by any previously known construction.

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