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Plasmonic biosensor enabled by resonant quantum tunnelling

delete2025-06-26
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OA
AI
J
Jihye Lee
Y
Yina Wu
I
Ivan Sinev
M
Mikhail Masharin
S
Sotirios Papadopoulos
E
Eduardo J. C. Dias
L
Lujun Wang
M
Ming Lun Tseng
S
Seunghwan Moon
J
Jong‐Souk Yeo
L
Lukáš Novotný
F
F. Javier Garcı́a de Abajo
H
Hatice Altug *
DOI:10.1038/s41566-025-01708-ydelete
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摘要

摘要

En 中文
超表面为光学传感提供了理想平台,因为它们能够在广阔区域内产生强光场约束与增强,从而实现对有机和无机分子深亚波长层的识别。然而,使用外部光源的要求涉及笨重设备,阻碍了即时检测应用。本文介绍了一种由量子隧穿结提供内置光源的等离激元传感器。一种光学共振、双周期纳米线超表面作为结的顶接触,提供大面积的极均匀发射,并通过等离激元纳米天线模式放大,同时增强光谱和折射率敏感性。作为概念验证,我们演示了对纳米级厚聚合物和生物分子涂层的空间分辨折射率传感。我们的结果为基于集成电光生物传感器的颠覆性平台开辟了令人兴奋的前景。利用由光学共振、双周期等离激元纳米线超表面赋能的共振量子电子隧穿,演示了一种无外部光源的生物传感器,提升了生物传感器的集成度。
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Nature Photonics 封面图
Nature Photonics
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机构

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Institute of Bioengineering
学者数:
33
论文数: 17
被引数: 0
S
school of integrated technology
学者数:
3
论文数: 2
被引数: 0
I
icfo-institut de ciencies fotoniques
学者数:
17
论文数: 7
被引数: 0
P
photonics laboratory
学者数:
23
论文数: 7
被引数: 0
I
Institute of Electronics
学者数:
68
论文数: 38
被引数: 147
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