Multiresonant Nondispersive Infrared Gas Sensing: Breaking the Selectivity and Sensitivity Trade-Off [0.03%]
多共振非色散红外气体传感:打破选择性和灵敏度之间的权衡关系
Emma R Bartelsen,J Ryan Nolen,Christopher R Gubbin et al.
Emma R Bartelsen et al.
In applications such as atmospheric monitoring of greenhouse gases and pollutants, the detection and identification of trace concentrations of harmful gases is commonly achieved using nondispersive infrared (NDIR) sensors. These devices typ...
Viktor A Podolskiy,Evgenii Narimanov
Viktor A Podolskiy
Electromagnetic composites (metamaterials) recently underwent explosive growth fueled in part by advances in nanofabrication. It is commonly believed that as the size of the components decreases, the behavior of a composite converges to the...
Zaid Tasneem,Yongyi Zhao,Johannes E Fröch et al.
Zaid Tasneem et al.
The ubiquitous use of computer vision technologies in our personal lives has led to privacy concerns. This paper presents a computational camera that optically filters out private attributes such as identity and still enables downstream vis...
Single-Molecule Peptide Discrimination via Flow-Through SERS and Machine Learning [0.03%]
基于流动增强型SERS及机器学习的单分子肽识别
Kirill Khabarov,Ilaria Micol Baldi,Maria Blanco Formoso et al.
Kirill Khabarov et al.
Peptides are key biomolecules in biology and medicine, yet their reliable detection and discrimination in complex mixtures remain highly challenging, particularly under clinical requirements of robustness and accuracy. Surface-enhanced Rama...
Real-Time Acetone Gas Monitoring Using Calixarene-Functionalized Guided-Mode Resonance-Based Sensors [0.03%]
基于Calixarene功能化的导向模共振传感器的实时乙酮气体监测
Adam Rigler,William P Unsworth,Thomas F Krauss
Adam Rigler
Portable sensors to detect volatile organic compounds (VOCs) are needed for many societal and industrial applications, such as diagnosing patient health through breath analysis or monitoring industrial environments for worker safety. Aceton...
Topological Lasing from Thouless Pumping in Bilayer Photonic Crystal [0.03%]
双层光子晶体中的 Thouless 输运拓扑激光
D-H-Minh Nguyen,Dung Xuan Nguyen,H Chau Nguyen et al.
D-H-Minh Nguyen et al.
Topological lasing leverages concepts from topological physics to achieve single-mode light amplification within topological bandgaps, offering robustness against fabrication imperfections. Recent advances in microelectromechanical systems ...
Ori Refael Cohen,Reut Orange Kedem,Leonid Leites et al.
Ori Refael Cohen et al.
Spectral information is essential in microscopy, yet many multispectral imaging solutions require increased optical complexity or restrict the spectrum to a few discrete bands. In this work we introduce the Terrace grating optics family: fl...
A Study of the Avalanche Multiplication and Excess Noise in Al x In1- x AsγSb1‑ γ Avalanche Photodiodes Lattice-Matched to GaSb [0.03%]
AlxIn1-xAsySb1-y与GaSb匹配的雪崩光电二极管中雪崩倍增和过剩噪声的研究
Xiao Jin,Wenguang Zhou,Yang Zhao et al.
Xiao Jin et al.
High-sensitivity linear-mode avalanche photodiodes (APDs) that operate beyond 1.65 μm and up to 2 μm require a narrow bandgap that also gives rise to high dark currents, especially when subject to the large electric fields necessary for a...
Sputtered AlN Buffer Layer for Low-Loss Crystalline AlN-on-Sapphire Integrated Photonics [0.03%]
用于低损耗氮化铝绝缘体上硅光子学的溅射氮化铝缓冲层
Samuele Brunetta,Samantha Sbarra,Brandon Shuen Yi Loke et al.
Samuele Brunetta et al.
In recent years, aluminum nitride (AlN) has emerged as an attractive material for integrated photonics due to its low propagation losses, wide transparency window, and presence of both second- and third-order optical nonlinearities. However...
Design, Fabrication, and Characterization of Graphene-Silicon Nitride Integrated Mode Filters [0.03%]
石墨烯-氮化硅集成模式滤波器的设计、制备及表征
Fernando Martín-Romero,Raquel Resta,Òscar Fontelles et al.
Fernando Martín-Romero et al.
We present the design, fabrication, and characterization of broadband graphene-silicon nitride integrated mode filters working in the optical C-band, centered at a wavelength of 1.55 μm. The devices presented here prevent modal crosstalk, ...