Title :
Quantum entanglement distillation using an optical metamaterial
Author :
Bechu, M. ; Asano, M. ; Tame, M. ; Ozdemir, S.K. ; Ikuta, R. ; Yamamoto, T. ; Guney, D.O. ; Yang, L. ; Wegener, M. ; Imoto, N.
Author_Institution :
Inst. of Appl. Phys., Karlsruhe Inst. of Technol. (KIT), Karlsruhe, Germany
Abstract :
We perform an entanglement distillation protocol on pure and mixed states using optical metamaterials composed of gold nano-antennas and measure the density matrices by quantum-state tomography. The fidelity is improved from 0.85 to 0.97.
Keywords :
gold; metamaterial antennas; nanophotonics; optical metamaterials; quantum entanglement; quantum optics; Au; density matrices; gold nanoantennas; mixed states; optical metamaterials; quantum entanglement distillation protocol; quantum-state tomography; Antenna arrays; Gold; Metamaterials; Optical filters; Photonics; Quantum computing; Quantum entanglement;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA