Experiments with remote entanglement using single barium ions
by Kurz, Nathan, Ph.D., UNIVERSITY OF WASHINGTON, 2010, 111 pages; 3445516

Abstract:

Barium ion qubits are trapped and Doppler cooled in a linear Paul trap and the tasks of state initialization, single-qubit operations and detection are demonstrated. Coherent qubit excitation us accomplished on the 6S 1/2 ↔ 6P3/2 and the 6S1/2 ↔ 6P 1/2 transitions are single pulses from a mode-locked Ti:Sapphire laser, with the eventual goal of entangling the polarization mode of emitted photons with the spin state of the ion. Single photon generation and detection ability is demonstrated. A stabilized 1.762 μm laser is used on the 6S1/2 → 5D5/2 transition to demonstrate the ability to state selectively shelve the ion from the ground state to be used as readout. Using the techniques that enable qubit operations and readout, several quantities of interest in 138Ba+ are measured either for the first time or to higher accuracy than previously achieved.

 
AdviserBoris B. Blinov
SchoolUNIVERSITY OF WASHINGTON
SourceDAI/B 72-04, p. , Mar 2011
Source TypeDissertation
SubjectsAtomic physics
Publication Number3445516
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