Title :
Entanglement enhancement with cascaded nondegenerate optical parametric amplifier
Author :
Jia, Xiaojun ; Yan, Zhihui ; Duan, Zhiyuan ; Xie, Changde ; Peng, Kunchi
Author_Institution :
State Key Lab. of Quantum Opt. & Quantum Opt. Devices, Shanxi Univ., Taiyuan, China
Abstract :
We experimentally demonstrate the cascaded entanglement enhancement of continuous variables. The quantum correlations are successively enhanced by two nondegenerate optical parametric amplifiers from -5.3 dB to -8.1 dB below quantum noise limit.
Keywords :
optical noise; optical parametric amplifiers; quantum entanglement; quantum noise; quantum optics; cascaded entanglement enhancement; continuous variables; noise figure -5.3 dB to -8.1 dB; nondegenerate optical parametric amplifiers; quantum correlations; quantum noise limit; Correlation; Nonlinear optics; Optical amplifiers; Optical beams; Optical pumping; Quantum entanglement; Stimulated emission;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
