Title :
Experimental Implementation of an approximate partial transpose for two-qubit systems
Author :
Lim, Hyang-Tag ; Kim, Yong-Su ; Ra, Young-Sik ; Bae, Joonwoo ; Kim, Yoon-Ho
Author_Institution :
Dept. of Phys., Pohang Univ. of Sci. & Technol. (POSTECH), Pohang, South Korea
Abstract :
We report the first experimental realization of an approximate partial transpose for photonic two-qubit systems. Direct detection of entanglement, i.e., without performing quantum state tomography, using the partial transpose operation, is also demonstrated.
Keywords :
optical information processing; quantum entanglement; approximate partial transpose; entanglement direct detection; photonic two-qubit systems; quantum state tomography; Approximation methods; Eigenvalues and eigenfunctions; Optics; Photonics; Q measurement; Quantum entanglement; Tomography;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
