Decoding color codes by projection onto surface codes

Nicolas Delfosse, Universite de Sherbrooke
Event Date and Time: 
Fri, 2014-03-14 10:00 - 11:00
Hennings 309B
Local Contact: 
Robert Raussendorf
Intended Audience: 
Surface codes and color codes are two families of quantum error correcting codes which are particularly well suited to fault-tolerant quantum computing. They are defined by local constraints on qubits placed on a surface and they allow for efficient decoding. In this talk, we present a new strategy to decode color codes, which is based on the projection of the error onto three surface codes. This provides a method to transform every decoding algorithm of surface codes into a decoding algorithm of color codes. These results are based on a chain complex interpretation of surface codes and color codes.
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