We report an observation of the weak 6 ¹S_0 - 6 ³P_0 transition in ^171,173 Yb as an important step to establishing Yb as a primary candidate for future optical frequency standards, and to open up a new approach for qubits using the ¹S_0 and ³P_0 states of Yb atoms in an optical lattice.
© 2005 Optical Society of America
(020.7010) Atomic and molecular physics : Laser trapping
(120.3940) Instrumentation, measurement, and metrology : Metrology
(270.1670) Quantum optics : Coherent optical effects
(300.6210) Spectroscopy : Spectroscopy, atomic
Tao Hong, Claire Cramer, Eryn Cook, Warren Nagourney, and E. N. Fortson, "Observation of the ¹S_0 - ³P_0 transition in atomic ytterbium for optical clocks and qubit arrays," Opt. Lett. 30, 2644-2646 (2005)