Stefano Longhi
Stefano Longhi
In waveguide quantum electrodynamics (QED) systems, atomic radiation emission is shaped by photonic environment and collective atom interactions, offering promising applications in quantum technologies. In particular, atom-photon bound stat...
Design of off-axis reflective holographic optical elements in a holographic near-eye display system [0.03%]
用于全息近眼显示系统的离轴反射式全息光学元件设计
Shijie Zhang,Yifan Tian,Juan Liu
Shijie Zhang
Holographic optical elements (HOEs) span a wide application, such as virtual reality and augmented reality displays. However, due to the complex aperiodic structures in lens-type HOEs, the phase design faces difficulties in aberration optim...
High-efficiency 1.55-µm DFB laser with a 600-µm short cavity and sub-20-kHz linewidth [0.03%]
一种高效率1.55µm DFB激光器：600µm短腔和亚20kHz窄线宽
Te-Hua Liu,You-Yu Tu,Yi-Hsuan Lu et al.
Te-Hua Liu et al.
This study presents the development of a 1.55-µm narrow-linewidth (NL)-DFB laser with a 600-µm cavity length, achieving high optical power and ultra-narrow linewidth through an optimized epitaxial structure and waveguide design. Despite t...
Breaking the resolution-distance trade-off: 50-cm spatial resolution over 14 km using correlation demodulation in Raman distributed fiber sensors [0.03%]
打破分辨率与量程的制约：基于光纤拉曼光放大效应相关解调实现长达14km量程内50cm空间分辨率分布式温度传感
Xinyue Zhang,Jian Li,Bowen Fan et al.
Xinyue Zhang et al.
The spatial resolution and sensing distance of Raman distributed optical fiber sensors are constrained by the pulse width and the inherently weak Raman scattering signals. Consequently, the spatial resolution for kilometer-level detection d...
Ghost imaging through abruptly changing complex scattering in dynamic media [0.03%]
动态介质中通过突然变化的复散射进行鬼成像
Qian Song,Qing Huo Liu,Wen Chen
Qian Song
Ghost imaging (GI) in harsh environments is well recognized to be challenging, e.g., through abruptly changing complex scattering in dynamic media. Physically induced dynamic and nonlinear scaling factors make the collected single-pixel lig...
State-resolved femtosecond phase control in dense-gas laser-atom interaction enabled by attosecond XUV interferometry [0.03%]
基于阿秒XUV干涉仪的密集气体激光原子相互作用中的飞秒相位控制及量子态解析
Lina Hedewig,Carlo Kleine,Yu He et al.
Lina Hedewig et al.
We perform an interferometric measurement of an extreme ultraviolet (XUV) pulse passing through a dense gas-phase target. Utilizing the interaction with strong and narrow atomic resonances, we demonstrate the femtosecond phase control of th...
Experimental realization of orbital-angular-momentum-selective coherent perfect absorption [0.03%]
轨道角动量选择的相干完备吸收的实验实现
Jinhao Wang,Zijian Zhang,Hao Luo et al.
Jinhao Wang et al.
Coherent perfect absorption (CPA) dependent on orbital angular momentum (OAM) has been proposed theoretically but so far has lacked experimental validation. Here, we design an OAM-selective coherent perfect absorber and experimentally valid...
High-accuracy multi-spectral thermometry via 25-band multi-spectral filter array imaging [0.03%]
基于25光谱带滤波阵列成像的高精度多光谱测温技术
Pan Pei,Xiaojian Hao,Rui Jia et al.
Pan Pei et al.
We present a radiant temperature measurement technique utilizing a 25-band filter array imaging system, which effectively improves the temperature measurement range and temperature measurement accuracy. The CMOS sensor of the multi-spectral...
Latent space-based modeling for spectral prediction in generative photonics design [0.03%]
基于潜在空间的光子生成设计中光谱预测模型式研究
Arno De Haseleer,Ali Al-Zawqari,Domenico Spina et al.
Arno De Haseleer et al.
Electromagnetic (EM) metasurfaces consist of periodic structures of sub-wavelength dimensions that exhibit the ability to manipulate light for many novel applications. Calculating the optical response of a metasurface, typically performed u...
Surpassing the differential synthetic wavelength of dual-wavelength digital holography by optimizing the search for an unwrapping coefficient [0.03%]
通过优化搜索解包裹系数来改进双波长数字全息差分合成波长上限缺陷
Mingguang Shan,Yuanyuan Jia,Zhenhua Ding et al.
Mingguang Shan et al.
The measurement range of dual-wavelength digital holography (DWDH) is always limited by differential synthetic wavelength (DSW) with low signal-to-noise ratio (SNR), which limits the application of DWDH. In this paper, we propose a novel, t...