Title :
Experimentally measuring the purity of a state without state tomography
Author :
Shalm, L.K. ; Adamson, R.B. ; Steinberg, A.M.
Author_Institution :
Dept. of Phys., Toronto Univ., Ont., Canada
Abstract :
We present an experiment that determines the purity of a state without the need for state tomography. We rely instead on a Bell-basis measurement on a pair of particles.
Keywords :
Bell theorem; quantum entanglement; quantum optics; tomography; Bell-basis measurement; particle pair; state purity measurement; state tomography; Chemical processes; Density measurement; Filters; Hilbert space; Information processing; Particle measurements; Photonics Society; Polynomials; Statistics; Tomography;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2005. QELS '05
Print_ISBN :
1-55752-796-2
DOI :
10.1109/QELS.2005.1548853
