Scientists engineer erbium molecular qubits that plug directly into existing fiber networks, promising telecom-ready quantum systems

Erbium molecular qubits .

• Erbium molecular qubits provide precise optical and spin transitions for quantum control
• These qubits enable spin states to be accessed through telecom-compatible light
• High-resolution spin-photon interfaces could support scalable quantum network development

Scientists have created an erbium-based molecular qubit that offers a way to interface quantum systems with existing fiber networks.