Conference on Lasers and Electro-Optics

Characterization of the Superhyperfine Interaction in 171 Yb:YVO 4

Yan Qi Huan, Jonathan M. Kindem, John G. Bartholomew, Andrei Faraon

Published May 5, 2019• 0 citations

Abstract

We computationally characterize the superhyperfine energy structure of ^(171)Yb:YVO_4 and compare predicted holeburning spectra and coherence times with experimental data. Our simulation can help optimize coherence times for ensemble-based quantum memories and single-ion qubits.

DOI: 10.23919/cleo.2019.8750572

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Conference on Lasers and Electro-Optics

Characterization of the Superhyperfine Interaction in 171 Yb:YVO 4

Yan Qi Huan, Jonathan M. Kindem, John G. Bartholomew, Andrei Faraon

Published May 5, 2019• 0 citations

Publisher

Abstract

DOI: 10.23919/cleo.2019.8750572

Related papers

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Yan Qi Huan, Jonathan M. Kindem, John G. Bartholomew +1 more

Conference on Lasers and Electro-OpticsJan 1, 20191 citation

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Emanuel Green, Sophie Hermans, Erin Liu +3 more

Quantum 2.0 Conference and ExhibitionJan 1, 20240 citations

Characterization of Yb 3 + 171 : YVO 4 for photonic quantum technologies

Jonathan M. Kindem, John G. Bartholomew, Philip J. T. Woodburn +5 more

Rare-earth ion crystals are a promising platform for implementing solid-state quantum interfaces, yet there are few combinations of rare-earth and host crystals that simultaneously deliver large optical absorption, narrow inhomogeneous linewidths, and long coherence times. This work investigates the optical and spin properties of ${}^{171}$ Yb ${}^{3+}$ ions in YVO ${}_{4}$ . The observed properties and simple energy-level structure of the ${}^{171}$ Yb ${}^{3+}$ ion show that this material has significant potential for creating efficient quantum interfaces, such as ensemble-based memories, microwave-to-optical transducers, and optically addressable single rare-earth ion spin qubits.Rare-earth ion crystals are a promising platform for implementing solid-state quantum interfaces, yet there are few combinations of rare-earth and host crystals that simultaneously deliver large optical absorption, narrow inhomogeneous linewidths, and long coherence times. This work investigates the optical and spin properties of ${}^{171}$Yb${}^{3+}$ ions in YVO${}_{4}$. The observed properties and simple energy-level structure of the ${}^{171}$Yb${}^{3+}$ ion show that this material has significant potential for creating efficient quantum interfaces, such as ensemble-based memories, microwave-to-optical transducers, and optically addressable single rare-earth ion spin qubits.

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{}^{171}

{}^{3+}

ions in YVO

{}_{4}

. The observed properties and simple energy-level structure of the

{}^{171}

{}^{3+}

ion show that this material has significant potential for creating efficient quantum interfaces, such as ensemble-based memories, microwave-to-optical transducers, and optically addressable single rare-earth ion spin qubits.

High-Resolution Spectroscopy of

^{173}

^{+}

Ions

Compared to other stable isotopes of

\rm{Yb}^+

^{173}\rm{Yb}^+

has a richer hyperfine structure, which leads to more favorable clock transitions, spectroscopic techniques for probing new physics, and more sophisticated quantum computing architectures. However, to date, its electronic spectrum remains poorly characterized. Here, we report on efficient laser cooling, state preparation, and detection of a single trapped

^{173}\rm{Yb}^+

ion. The previously unobserved

^2\!S_{1/2} \rightarrow {}^2\!D_{3/2}

electric quadrupole transition at 436 nm is coherently excited, and the isotope shift between

^{171}\rm{Yb}^+

and

^{173}\rm{Yb}^+

on this transition is determined with an uncertainty of 1.4 Hz. Using microwave spectroscopy, we resolve the hyperfine structure (HFS) of the

{}^2\!D_{3/2}

state with a relative uncertainty below

10^{-8}

. From the HFS measurement data, we infer for

{}^{173}

Yb a nuclear magnetic octupole moment

Ω= -0.062(8)\,({\rm b} \times μ_N)

with uncertainty reduced by more than 2 orders of magnitude compared to previous studies. The data also allow us to determine hyperfine anomalies for the

{}^2\!S_{1/2}

and

{}^2\!D_{3/2}

states.