Title :
Observations cross-absorption modulation mediated by coherent population trapping in hot rubidium vapor
Author :
Pack, Michael V. ; Camacho, Ryan M. ; Howell, John C.
Author_Institution :
Dept. of Phys. & Astron., Rochester Univ., NY, USA
Abstract :
Using the four-level N-system discussed by Schmidt and Imamoglu, Opt. Lett. 21,1936(1996), we observe cross-absorption modulation in hot rubidium atoms. Quantum coherences from coherent population trapping create larger Kerr nonlinearities than conventional three-level cascade systems.
Keywords :
laser beam effects; optical Kerr effect; optical coherent transients; optical modulation; optical pumping; photon counting; radiation pressure; resonant states; rubidium; Kerr nonlinearity; Raman resonance; Rb; coherent population trapping; cross-absorption modulation; four-level N-system; hot rubidium vapor; laser beam; optical pumping; photon counter; quantum coherence; Atom lasers; Atomic beams; Atomic measurements; Laser beams; Laser transitions; Nonlinear optics; Optical modulation; Optical refraction; Quantum cascade lasers; Stationary state;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2005. QELS '05
Print_ISBN :
1-55752-796-2
DOI :
10.1109/QELS.2005.1548742
