Finding Decoherence Free Subspaces Without Process Tomography
Dylan H. Mahler, Lee A. Rozema, Aephraim M. Steinberg · 2011
Quantum process tomography (QPT) is a resource intensive task. We present an experiment in which a 3 dimensional decoherence free subspace is experimentally identified using 36 measurements, instead of the 256 measurements required for QPT.