All possible bipartite positive-operator-value measurements of two-photon polarization states
arXiv:quant-ph/0512227 · doi:10.1103/PhysRevA.73.022333
Abstract
Here we propose an implementation of all possible Positive Operator Value Measures (POVMs) of two-photon polarization states. POVMs are the most general class of quantum measurements. Our setup requires linear optics, Bell State measurements and an entangled three-photon ancilla state, which can be prepared separately and in advance (or 'off-line'). As an example we give the detailed settings for a simultaneous measurement of all four Bell States for an arbitrary two-photon polarization state, which is impossible with linear optics alone.
4 pages, 3 figures, to appear in PRA
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Cited by in corpus (7)
- Quantum control gates with weak cross-Kerr nonlinearity
- Deterministic realization of collective measurements via photonic quantum walks
- Implementation of a general single-qubit positive operator-valued measure on a circuit-based quantum computer
- Protocol for Fermionic Positive-Operator-Valued Measures
- Implementation of discrete positive operator valued measures on linear optical systems using cosine-sine decomposition
- Projecting onto any two-photon polarization state using linear optics
- General measurements with limited resources and their application to quantum unambiguous state discrimination