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Rapid Adiabatic Passage on a Trapped Ion with a Noisy Laser

Thomas Noel, University of Washington

(Session 11 : Sunday from 9:30am-10:00am)

Abstract. We report experimental investigation of rapid adiabatic passage (RAP) in a trapped ¹³⁸Ba⁺ system. RAP is implemented on the transition from the ¹³⁸Ba⁺ ground state to a metastable D state by applying a laser at 1.76 μm. We focus on the interplay of laser noise and laser power in shaping the effectiveness of RAP, which has been shown to be a robust tool for state detection of ionic qubits. However, we note that reaching high state transfer fidelity requires a combination of small laser linewidth and large rabi frequency.