Experimental Realization of an Approximate Partial Transpose for Photonic Two-Qubit Systems
- Experimental Realization of an Approximate Partial Transpose for Photonic Two-Qubit Systems
- 임향택; 김용수; 라영식; 배준우; 김윤호
- Issue Date
- Physical review letters
- VOL 107, NO 16-160401-5
- We report the first experimental realization of an approximate partial transpose for photonic two-qubit systems. The proposed scheme is based on the local operation on single copies of quantum states and classical communication, and therefore can be easily applied for other quantum information tasks within current technologies. Direct detection of entanglement, i.e., without performing quantum state tomography, using the partial transpose operation, is also demonstrated.
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