通信波段稀土离子掺杂固态量子存储进展

量子互联网是实现多方量子通信、分布式量子计算等量子信息技术的重要基础，量子存储器作为实现互联网的重要部件，对量子信息技术的发展、应用具有举足轻重的作用。如今遍布全球的光纤网络已经是信息传输的有力载体，通信波段的量子存储器因容易嵌入到当前的光纤网络中而备受重视。聚焦于稀土离子掺杂固态体系的通信波段光量子存储，首先介绍稀土离子掺杂固态量子存储的基本原理，包括稀土掺杂材料特性以及存储协议等，然后介绍目前的研究现状，最后简要分析其未来的发展趋势，并对量子互联网的构建做出展望。

Advances of rare earth ions doped solid-state quantum memory at telecom band

Quantum internet is an important basis for realizing multi-party quantum communication,distributed quantum computing,and other quantum information technologies.Quantum memory,as a significant part for realizing Internet,plays a pivotal role in the development and application of quantum information technology.Nowadays,the global optical fiber network has become a powerful carrier of information transmission,and quantum memory in communication band is highly valued because it is easy to be embedded in the current optical fiber network.Focus on telecom band optical quantum memory with rare earth ions doped solid-state system,the basic principle of rare earth ions doped solid-state quantum memory was firstly introduced,including rare earth doped material properties and memory protocol.the current state of the art was then introduced.Finally,a brief analysis on its future development trend was given,and the prospect for the construction of quantum Internet was made.