Stable solid-state source of single photons
Fluorescence light observed from a single nitrogen-vacancy center in diamond exhibits strong photon antibunching: The measured pair correlation function g((2))(0) shows that only one photon is emitted at a time. Nitrogen-vacancy centers are well localized, stable against photobleaching even at room temperature, and can be addressed in simple experimental configurations.
Kurtsiefer
C
Sektion Physik, Ludwig-Maximilians-Universitat, D-80799 Munchen, Germany.
Mayer
S
Zarda
P
Weinfurter
H