Quantum 2.0 Conference and Exhibition

Unlocking a New Nuclear Spin Memory Resource in 171Yb:YVO4

Erin Liu, Sophie Hermans, Emanuel Green, Chun-Ju Wu, Andrei Ruskuc, Andrei Faraon

Published Jan 1, 2025• 0 citations

Abstract

We simulate the interactions between the ytterbium qubit and its nearest-neighbor vanadium nuclear spins in 171Yb:YVO4. Future control techniques will extend coherence times and introduce a new memory resource for quantum networks.

DOI: 10.1364/quantum.2025.qm4a.7

Related papers

Combating Decoherence in Single Rare Earth Ion Quantum Network Nodes

Emanuel Green, Sophie Hermans, Erin Liu +3 more

We study the lifetime and coherence of single 171Yb3+ qubits in YVO4 in the context of Yb concentration, paramagnetic defects and nuclear spin interactions. Additionally, we works towards the control of an additional memory resource.

Quantum 2.0 Conference and ExhibitionJan 1, 20240 citations

Characterization of the Superhyperfine Interaction in 171Yb:YVO4

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

We computationally characterize the superhyperfine energy structure of 171Yb:YVO4 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.

Conference on Lasers and Electro-OpticsJan 1, 20191 citation

Nuclear Spin-wave Quantum Register for a Rare-earth Ion Qubit

Andrei Ruskuc, Chun-Ju Wu, Jake Rochman +2 more

We implement a nuclear spin-wave quantum register for optically-addressable 171Yb3+ qubits in YVO4 using a local ensemble of 51V5+ lattice ions. This quantum mem-ory is a critical demonstration for future rare-earth ion-based quantum repeater networks.

Conference on Lasers and Electro-OpticsJan 1, 20220 citations

Decoherence-protected GHZ states of a nuclear spin ensemble surrounding a solid-state qubit

Chun-Ju Wu, Andrei Ruskuc, Joonhee Choi +1 more

We prepare many-body Greenberger–Horne–Zeilinger states in a nuclear spin ensemble (51V in YVO4) via engineered interaction with a central spin (171Yb). Decoherence-free subspaces, protected from correlated noise, are investigated.

Quantum 2.0 Conference and ExhibitionJan 1, 20230 citations

Characterization of the Superhyperfine Interaction in 171 Yb:YVO 4

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

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.

Conference on Lasers and Electro-OpticsMay 5, 20190 citations

Coherent Optical and Spin Dynamics of Single 171Yb Ions Embedded In a Nanophotonic Cavity

Andrei Ruskuc, Jonathan M. Kindem, John G. Bartholomew +3 more

We demonstrate coherent optical and spin control of single 171Yb ions in YVO4 nanophotonic resonators as a platform for quantum network nodes with spin-CPMG and optical-Ramsey coherence times of 33 ms and 390 ns respectively.

OSA Quantum 2.0 ConferenceJan 1, 20200 citations