Block synchronization for quantum information
Abstract
Locating the boundaries of consecutive blocks of quantum information is a fundamental building block for advanced quantum computation and quantum communication systems. We develop a coding theoretic method for properly locating boundaries of quantum information without relying on external synchronization when block synchronization is lost. The method also protects qubits from decoherence in a manner similar to conventional quantum error-correcting codes, seamlessly achieving synchronization recovery and error correction. A family of quantum codes that are simultaneously synchronizable and error-correcting is given through this approach.
- Publication:
-
Physical Review A
- Pub Date:
- February 2013
- DOI:
- 10.1103/PhysRevA.87.022344
- arXiv:
- arXiv:1206.0260
- Bibcode:
- 2013PhRvA..87b2344F
- Keywords:
-
- 03.67.Pp;
- 03.67.Hk;
- 03.67.Lx;
- Quantum error correction and other methods for protection against decoherence;
- Quantum communication;
- Quantum computation;
- Quantum Physics;
- Computer Science - Information Theory
- E-Print:
- 7 pages, no figures, final accepted version for publication in Physical Review A