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Optical isolation and circulation using quantum frequency conversion on a chip

delete2026-08-07
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OA
AI
J
Jierui Hu
H
Hao Yuan
J
Joshua Akin
Shanhui Fan 封面图
Shanhui Fan (Shanhui Fan)
K
Kejie Fang *
DOI:10.1126/sciadv.aef0501delete
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摘要

摘要

En 中文
打破电磁互易性能够实现光的方向性控制,并且对经典和量子光子系统都至关重要。然而,实现同时兼具低损耗、宽带宽和与光量子态兼容的集成光学非互易性仍是一个重大挑战。在此,我们演示了基于量子频率转换的集成χ(2)非线性波导中的光学非互易性。该器件从经典功率水平到单光子水平均可工作,并保留了输入光子的量子相干性和纠缠性。我们实现了34分贝的隔离度,同时具有低至0.8分贝的片上插入损耗和宽带隔离带宽,以及一个四端口循环器,其操作保真度高达0.97。我们的结果确立了参量频率转换作为可扩展且与量子兼容的路线,用于开发集成非互易光子器件,以满足在量子通信和抗噪声光子网络中的应用需求。

期刊

Science Advances 封面图
Science Advances
IF:
12.5
论文数:
2.1W
被引数:
18.1W

机构

S
stanford university
学者数:
1.1W
论文数: 4.3K
被引数: 0
U
University of Illinois at Urbana-Champaign
学者数:
1.4K
论文数: 606
被引数: 2
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