A step closer to repeaters for quantum networks

被引：0
|
作者：
不详
机构：
来源：
NATURE | 2023年
关键词：
Quantum physics; Optics and photonics;
D O I：
10.1038/d41586-023-02283-4
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Loss of photons over long-distance connections limits the development of quantum networks, necessitating the use of quantum 'repeater' systems to boost signals between network nodes. Erbium ions incorporated into calcium tungstate crystals have been found to emit photons in the telecommunications frequency band that are indistinguishable from each other, and thus show promise for use in such repeaters.
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页数：2
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