Control of an Environmental Spin Defect beyond the Coherence Limit of a Central Spin

A Ungar, P Cappellaro, A Cooper, WKC Sun - PRX Quantum, 2024 - APS
Electronic spin defects in the environment of an optically active spin can be used to increase
the size and hence the performance of solid-state quantum registers, especially for …

Speeding up squeezing with a periodically driven Dicke model

JT Reilly, SB Jäger, JD Wilson, J Cooper, S Eggert… - Physical Review …, 2024 - APS
We present a simple and effective method to create highly entangled spin states on a faster
timescale than that of the commonly employed one-axis twisting (OAT) model. We …

Dipolar Coupling as a Mechanism for Fine Control of Magnetic States in ErCOT-Alkyl Molecular Magnets

MG Bernbeck, AP Orlova, JD Hilgar… - Journal of the …, 2024 - ACS Publications
The design of molecular magnets has progressed greatly by taking advantage of the ability
to impart successive perturbations and control vibronic transitions in 4f n systems through …

Measurement of Charge State Dynamics in Nitrogen− Vacancy Centers Based on Microwave‐Pulses‐Assisted Longitudinal Relaxations Balancing of Spin Qutrit

M Li, H Yuan, G Bian, P Fan, S Wang… - Advanced Quantum …, 2024 - Wiley Online Library
The nitrogen− vacancy (NV) center in diamond gains its versatility when negatively charged
(NV−) but is mediocre when neutrally charged. Particularly, the charge states of NV centers …

Coherent control of dressing interaction of sequential-doubly-dressed four-wave mixing

M Xiaoyu, S Suling - Journal of Physics B: Atomic, Molecular and …, 2024 - iopscience.iop.org
We investigate the coherent control of dressing interaction in four-wave mixing (FWM) in a Y-
type four-level atomic system based on the dressed states theory. We study the density …

Scaling Up a Quantum Register of Dark Electronic Spins in Diamond

A Ungar - 2023 - dspace.mit.edu
Electronic spin defects in the environment of an optically-active spin can be used to increase
the size and hence the performance of solid-state quantum registers, especially for …

Guiding diamond spin qubit growth with computational methods

JC Marcks, M Onizhuk, N Delegan, YX Wang… - Physical Review …, 2024 - APS
The nitrogen-vacancy (NV) center in diamond, a well-studied, optically active spin defect, is
the prototypical system in many state-of-the-art quantum sensing and communication …