Optically Resolved Excited State Hyperfine Structure of a Silicon Colour Centre in the Telecom Bands
Researchers have optically resolved the excited state hyperfine structure of a silicon color center operating in the telecom bands. The study reveals the coupling between electronic and nuclear spins, providing a path for improved spin control. This work demonstrates a key step toward efficient spin-photon interfaces at wavelengths compatible with fiber-optic networks.
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What this could mean
- 0–2 yearsPlausible
This understanding could enable higher-fidelity spin-photon entanglement at telecom wavelengths, improving the performance of prototype quantum repeaters within two years.
Knowing the hyperfine structure allows for optimized optical pumping and coherent control schemes that mitigate decoherence, directly boosting entanglement rates and fidelity.
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