量子网络中电信波长的双光子干涉

IF 5.6 2区物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY

Quantum Science and Technology Pub Date : 2025-03-18 DOI:10.1088/2058-9565/adbb87

Mathis Cohen, Laurent Labonté, Romain Dalidet, Sébastien Tanzilli and Anthony Martin

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引用次数: 0

摘要

两个独立光子之间的干涉是众多量子信息协议和技术的一个重要方面。在这项工作中，我们利用光纤耦合器件，包括光纤光子对源和现成的光学器件，来演示Hong-Ou-Mandel干涉。我们采用两个不同的单光子源，即前置单光子源和弱相干激光源，两者都在连续波状态下异步工作。我们记录了双光子的巧合，显示了91.9(5)%的最新能见度。该工作符合电信技术要求，为在混合量子网络中建立基于量子隐形传态的远程通信提供了现实的骨干网。

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Two-photon interference at a telecom wavelength for quantum networking

The interference between two independent photons stands as a crucial aspect of numerous quantum information protocols and technologies. In this work, we leverage fiber-coupled devices, which encompass fibered photon pair-sources and off-the-shelf optics, to demonstrate Hong-Ou-Mandel interference. We employ two distinct single photon sources, namely a heralded single-photon source and a weak coherent laser source, both operating asynchronously in continuous-wave regime. We record two-photon coincidences, showing a state-of-art visibility of 91.9(5)%. This work, compliant with telecom technology, provides realistic backbones for establishing long-range communication based on quantum teleportation in hybrid quantum networks.

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来源期刊

Quantum Science and Technology Materials Science-Materials Science (miscellaneous)

CiteScore

11.20

自引率

3.00%

发文量

133

期刊介绍： Driven by advances in technology and experimental capability, the last decade has seen the emergence of quantum technology: a new praxis for controlling the quantum world. It is now possible to engineer complex, multi-component systems that merge the once distinct fields of quantum optics and condensed matter physics. Quantum Science and Technology is a new multidisciplinary, electronic-only journal, devoted to publishing research of the highest quality and impact covering theoretical and experimental advances in the fundamental science and application of all quantum-enabled technologies.