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Diamonds light the way for the future of quantum technology
- Scientists in the UK make breakthrough in quantum technology by creating tiny quantum features inside diamonds.
- Researchers from Oxford, Cambridge, and Manchester universities worked on 'quantum defects' in diamonds for quantum technology.
- A specific type of quantum defect, 'tin-vacancy centre,' was created with high precision using tin atoms.
- Previously, placing and activating these defects accurately was challenging, but a new two-step process solved this.
- The process involved using a focused ion beam to place tin atoms precisely and ultrafast laser pulses for activation.
- Researchers could monitor real-time activation of defects by observing the light emitted during the process.
- These quantum defects in diamonds enable linking quantum bits to light particles for secure information sharing over quantum networks.
- Tin-vacancy defects are part of Group-IV colour centres, known for stability, with the potential for easier production now.
- The method developed allows for easier scaling up of quantum systems using diamonds at room temperature and fits existing manufacturing techniques.
- Diamond-based quantum devices could see faster real-world use with improved control, performance, and integration.
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