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 Tools annual

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 monthly

Global: Zendy Plus monthly

Presents the access of premium content as premium feature

Premium Content

Global: Zendy Plus annual

Global: Zendy Free Plan

Spins in silicon that are accessible via a telecom-compatible opticaltransition are a versatile platform for quantum information processing that canleverage the well-established silicon nanofabrication industry. Key to theseapplications are long coherence times on the optical and spin transitions toprovide a robust system for interfacing photonic and spin qubits. Here, wereport telecom-compatible Er3+ sites with long optical and electron spincoherence times, measured within a nuclear spin-free silicon crystal (<0.01%29Si) using optical detection. We investigate two sites and find 0.1 GHzoptical inhomogeneous linewidths and homogeneous linewidths below 70 kHz forboth sites. We measure the electron spin coherence time of both sites usingoptically detected magnetic resonance and observe Hahn echo decay constants of0.8 ms and 1.2 ms at around 11 mT. These optical and spin properties of Er3+:Siare an important milestone towards using optically accessible spins in siliconfor a broad range of quantum information processing applications.

Millisecond electron spin coherence time for erbium ions in silicon