Robust pulses for high fidelity non-adiabatic geometric gate operations in an off-resonant three-level system

Publication date: Available online 11 January 2019Source: Physics Letters AAuthor(s): Ying Yan, Jie Lu, Lin Wan, Joel MoserAbstractWe propose a method to design pulses in a resonant three-level system to enhance the robustness of non-adiabatic geometric gate operations. By optimizing the shape of the pulse envelope, we show that the gate operations are more robust against frequency detuning than they are with Gaussian and square pulses. Our method provides a way to design pulses that can be employed in a system where robustness against frequency variations or inhomogeneous broadening is required, and may be extended to ensure robustness against other physical imperfections such as intensity fluctuations and random noises.

Source: Physics Letters A - January 11, 2019 Category: Physics Source Type: research