Generation of narrow-bandwidth paired photons: use of a single driving laser.
We describe a generator of narrow-band paired photons. A single retroreflected Ti:sapphire laser is used to cool, render transparent, and parametrically pump a cloud of (87)Rb atoms. We attain a paired-photon generation rate into opposing fibers of 600 counts/s with an intensity correlation function that has a width of 5 ns, and violates the Cauchy-Schwartz criteria by a factor of 2000.
Kolchin
Pavel
P
Edward L. Ginzton Laboratory, Stanford University, Stanford, California 94305, USA.
Du
Shengwang
S
Belthangady
Chinmay
C
Yin
G Y
GY
Harris
S E
SE