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- W4300961451 abstract "Significant aspects of advanced quantum technology today rely on rapid control of atomic matterwaves with hyperfine Raman transitions. Unfortunately, efficient Raman excitations are usually accompanied by uncompensated dynamic phases and coherent spin leakages, preventing accurate and repetitive transfer of recoil momentum to large samples. We provide a systematic study to demonstrate that the limitations can be substantially overcome by dynamically programming an adiabatic pulse sequence. Experimentally, counterpropagating frequency-chirped pulses are programmed on an optical delay line to parallelly drive five Δm=0 hyperfine Raman transitions of 85Rb atoms for spin-dependent kick (SDK) within τ=40 ns, with an fSDK≈97.6% inferred fidelity. Aided by numerical modeling, we demonstrate that by alternating the chirps of successive pulses in a balanced fashion, accumulation of nonadiabatic errors including the spin leakages can be managed, while the dynamic phases can be robustly cancelled. Operating on a phase-stable delay line, the method supports precise, fast, and flexible control of spinor matterwave with efficient Raman excitations.6 MoreReceived 19 February 2022Revised 5 May 2022Accepted 9 September 2022DOI:https://doi.org/10.1103/PRXQuantum.3.040301Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.Published by the American Physical SocietyPhysics Subject Headings (PhySH)Research AreasAtom interferometryAtom opticsCoherent controlCold atoms & matter wavesLight-matter interactionAtomic, Molecular & Optical" @default.
- W4300961451 created "2022-10-04" @default.
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- W4300961451 date "2022-10-03" @default.
- W4300961451 modified "2023-10-15" @default.
- W4300961451 title "Spinor Matter-Wave Control with Nanosecond Spin-Dependent Kicks" @default.
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- W4300961451 doi "https://doi.org/10.1103/prxquantum.3.040301" @default.
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