Title :
Coherence time limit of entangled paired photons generated in a cold atom cloud
Author :
J. F. Chen;Zhiguang Han;Peng Qian;L. Zhou;Weiping Zhang
Author_Institution :
East China Normal University, Quantum Institute for Light and Atoms, Department of Physics, No.500, Dongchuan Road, Shanghai, China
Abstract :
Through electromagnetically-induced transparency (EIT) assisted spontaneous four-wave mixing, we produce the entangled paired photons with a coherence time of 2.34 μs from a cold atom cloud. The EIT dephasing rate is the ultimate limit.
Keywords :
"Photonics","Coherence","Couplings","Atomic beams","Atom optics","Frequency measurement","Optical pulses"
Conference_Titel :
Lasers and Electro-Optics Pacific Rim (CLEO-PR), 2015 11th Conference on
DOI :
10.1109/CLEOPR.2015.7375890
