电信波长的高分辨率分子自旋光子界面

IF 45.8 1区综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES

Science Pub Date : 2025-10-02 DOI:10.1126/science.ady8677

Leah R. Weiss, Grant T. Smith, Ryan A. Murphy, Bahman Golesorkhi, José A. Méndez Méndez, Priya Patel, Jens Niklas, Oleg G. Poluektov, Jeffrey R. Long, David D. Awschalom

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引用次数: 0

摘要

多原子分子中的光学寻址电子自旋是量子信息科学的一个有前途的平台，具有通过原子可调性和纳米级定位实现可扩展量子比特设计和集成的潜力。然而，光学状态和位置的选择是一个公开的挑战。在这项工作中，我们引入了一种有机铒自旋量子比特，其中窄（兆赫尺度）光学和自旋跃迁耦合，以提供高分辨率的自旋自由度和电信频率光。这种自旋光子界面能够演示光学自旋极化和读出分子晶体中自旋状态和磁性不等效位点之间的区别。与成熟的光子和微波器件兼容的频率操作为工程上可扩展的集成分子自旋光量子技术提供了机会。

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A high-resolution molecular spin-photon interface at telecommunication wavelengths

Optically addressable electronic spins in polyatomic molecules are a promising platform for quantum information science, with the potential to enable scalable qubit design and integration through atomistic tunability and nanoscale localization. However, optical state- and site-selection are an open challenge. In this work, we introduce an organo-erbium spin qubit in which narrow (megahertz-scale) optical and spin transitions couple to provide high-resolution access to spin degrees of freedom with telecommunication-frequency light. This spin-photon interface enables demonstration of optical spin polarization and readout that distinguishes between spin states and magnetically inequivalent sites in a molecular crystal. Operation at frequencies compatible with mature photonic and microwave devices provides an opportunity for engineering scalable, integrated molecular spin-optical quantum technologies.

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来源期刊

Science 综合性期刊-综合性期刊

CiteScore

61.10

自引率

0.90%

发文量

审稿时长

2.1 months

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