Daniel Y. Knapp

activity

20242026

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physics.atom-ph2026

State-selected preparation of molecular ions for precision measurements in radio-frequency traps

Daniel Y. Knapp, Maximilian Beyer

The application of mass-analyzed threshold ionization (MATI) for the state-selective preparation of molecular ions is presented. Based on photoexcitation of long-lived high- $n$ Ryd…

physics.atom-ph2025

Laser cooling Rydberg molecules -- a detailed study of the helium dimer

LucÃa Verdegay, Bingcheng Zeng, Daniel Y. Knapp +2

The helium dimer in its metastable triplet state is a promising candidate to be the first laser-cooled homonuclear molecule. An ultracold gas of He $_{2}^{*}$ would enable a new generat…

physics.atom-ph2024

Spectroscopy and modeling of $^{171}$ Yb Rydberg states for high-fidelity two-qubit gates

Michael Peper, Yiyi Li, Daniel Y. Knapp +8

Highly excited Rydberg states and their interactions play an important role in quantum computing and simulation. These properties can be predicted accurately for alkali atoms with…

State-selected preparation of molecular ions for precision measurements in radio-frequency traps

Laser cooling Rydberg molecules -- a detailed study of the helium dimer

Spectroscopy and modeling of 171Yb Rydberg states for high-fidelity two-qubit gates

Spectroscopy and modeling of $^{171}$ Yb Rydberg states for high-fidelity two-qubit gates