Pirandola, S.,
Mancini, S.,
Braunstein, S.L.
and
Vitali, D.
(2008):
Physical Review A77,
032309-1/9
(PDF)
ABSTRACT:
Using the stabilizer formalism we construct the minimal code into a
D-dimensional Hilbert space (qudit) to protect a qubit against phase
damping. The effectiveness of this code is then studied by means of
input-output fidelity.