English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Electron and nuclear spins associated with point defects in insulators arepromising systems for solid state quantum technology. While the electron spinusually is used for readout and addressing, nuclear spins are exquisite quantumbits and memory systems. With these systems single-shot readout of nearbynuclear spins as well as entanglement aided by the electron spin has beenshown. While the electron spin in this example is essential for readout itusually limits nuclear spin coherence. This has set of the quest for defectswith spin-free ground states. Here, we isolate a hitherto unidentified defectin diamond and use it at room temperature to demonstrate optical spinpolarization and readout with exceptionally high contrast (up to 45%), coherentmanipulation of an individual excited triplet state spin, and coherent nuclearspin manipulation using the triplet electron spin as a meta-stable ancilla. Bythis we demonstrate nuclear magnetic resonance and Rabi oscillations of theuncoupled nuclear spin in the spin-free electronic ground state. Our studydemonstrates that nuclei coupled to single metastable electron spins are usefulquantum systems with long memory times despite electronic relaxation processes.

Readout and control of a single nuclear spin with a meta-stable electron spin ancilla