Fibre Wavelength Quantum Relays (FQRelay)

量子通信可以确保数据传输的安全，这是由物理定律保证的。基于对激光单个粒子的信息进行编码的技术已经在专用的点对点链路上得到了证明。然而，只有多用户量子网络才能实现全部潜力，并且不可能复制和重新发送量子数据，从而阻止传统方法。量子中继提供了一个解决方案，允许量子密钥通过光纤网络传送。我们的愿景是构建和操作这样一个量子中继器，第一次使用实用的半导体技术在商业上最佳的1550 nm波长波段。这将是企业和客户广泛采用有保证的网络安全解决方案的重要一步。

Quantum communications can secure data transmission, guaranteed by the laws of physics. Technology toachieve this based on encoding information on individual particles of laser light is proven over dedicated point-to-point links. However the full potential will only be realised with multi-user quantum networks, and it isimpossible to copy and resend quantum data, preventing traditional approaches. Quantum relays offer asolution, allowing quantum keys to be teleported across fibre-optic networks. Our vision is to construct andoperate such a quantum relay, for the first time using practical semiconductor technology at the commerciallyoptimum 1550 nm wavelength band. This will be an important step towards widespread adoption ofguaranteed network security solutions for businesses and customers alike.