金刚石中的激光写入波导集成相干自旋

IF 5.4 1区 物理与天体物理 Q1 OPTICS
APL Photonics Pub Date : 2024-07-01 DOI:10.1063/5.0209294
Yanzhao Guo, John P. Hadden, Federico Gorrini, Giulio Coccia, Vibhav Bharadwaj, Vinaya Kumar Kavatamane, Mohammad Sahnawaz Alam, Roberta Ramponi, Paul E. Barclay, Andrea Chiappini, Maurizio Ferrari, Alexander Kubanek, Angelo Bifone, Shane M. Eaton, Anthony J. Bennett
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引用次数: 0

摘要

量子发射器,如金刚石中带负电荷的氮空穴中心,对纳米传感、量子信息处理等量子技术以及作为非经典光源具有吸引力。然而,如何在光子结构中定位单个发射器,同时保持缺陷的自旋相干特性,仍然是一项挑战。在本文中,我们研究了通过飞秒激光写入和热退火在金刚石中制造的单个和集合波导集成氮空位中心。我们系统地研究了它们的自旋相干特性,结果表明它们与金刚石中的原生氮空位中心相当。这种方法为制造集成在光子设备中的相干自旋铺平了道路。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Laser-written waveguide-integrated coherent spins in diamond
Quantum emitters, such as the negatively charged nitrogen-vacancy center in diamond, are attractive for quantum technologies, such as nano-sensing, quantum information processing, and as a non-classical light source. However, it is still challenging to position individual emitters in photonic structures while preserving the spin coherence properties of the defect. In this paper, we investigate single and ensemble waveguide-integrated nitrogen-vacancy centers in diamond fabricated by femtosecond laser writing followed by thermal annealing. Their spin coherence properties are systematically investigated and are shown to be comparable to native nitrogen-vacancy centers in diamond. This method paves the way for the fabrication of coherent spins integrated within photonic devices.
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来源期刊
APL Photonics
APL Photonics Physics and Astronomy-Atomic and Molecular Physics, and Optics
CiteScore
10.30
自引率
3.60%
发文量
107
审稿时长
19 weeks
期刊介绍: APL Photonics is the new dedicated home for open access multidisciplinary research from and for the photonics community. The journal publishes fundamental and applied results that significantly advance the knowledge in photonics across physics, chemistry, biology and materials science.
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