Ultra-low-noise phase gate and squeezed state rotation in a gain-and-loss-balanced coherently prepared atomic medium [0.03%]
增益和损耗平衡的相干制备原子介质中的超低噪声相位门和压缩态旋转
H J Luo,J Guan,C J Zhu et al.
H J Luo et al.
The realization of ultra-low-noise quantum phase gates and squeezed state rotations has long been a goal in the fields of quantum optics and quantum information. In this study, we present a theoretical proposal for an ultra-low-noise quantu...
Diffraction efficiency restoration method for a single-plane diffractive element considering machining errors [0.03%]
考虑加工误差的单平面衍射元件的效率恢复方法
Xian Zhang,Mingxu Piao,Huitian Zou et al.
Xian Zhang et al.
Diffractive optical elements (DOE) are crucial in the simplified development of optical systems. However, machining errors in diffractive elements are inevitable, and the diffraction efficiency degradation caused by these errors can affect ...
Two-dimensional violet phosphorus as a broadband saturable absorber for mid-infrared photonics [0.03%]
二维的紫色磷化物作为中红外光子学宽带可饱和吸收体
Bo Li,Han Pan,Zhongben Pan et al.
Bo Li et al.
Two-dimensional (2D) violet phosphorus (VP), a recently investigated 2D semiconductor material, is promising for advanced optoelectronic applications because of its distinct physical and chemical features. In this work, high-quality, few-la...
Highly stable and efficient spatiotemporal filtering in cross-polarized wave generation via nonlinearity tailoring in multi-plate crystals [0.03%]
通过多晶片非线性调整实现交叉偏振波产生中的高效稳定的时空滤波
Thanh-Hung Dinh,Michiaki Mori,Keisuke Nagashima et al.
Thanh-Hung Dinh et al.
We propose a simple and effective method for achieving highly stable and efficient cross-polarized wave (XPW) generation in a multi-crystal setup with excellent beam quality. Unlike previous approaches optimized for highly nonlinear regimes...
Anisotropic optical path model for characterizing statistics of scattered field [0.03%]
各向异性光路模型用于表征散射场的统计性质
Ke Bao,Yuegang Li,Zhenwu Nie et al.
Ke Bao et al.
A model that captures the statistical properties of the scattered light field can offer a physical explanation and computational support for designing and evaluating imaging schemes. Here, we propose an Anisotropic Optical Path (AOP) model ...
Wavefront-coded image restoration technology based on multi-scale deep neural networks [0.03%]
基于多尺度深度神经网络的波前编码图像复原技术
Zheng Zhen,Yiqiao Yuan,Bo Zhang et al.
Zheng Zhen et al.
Optical imaging systems are significantly affected by aerodynamic thermal effects under varying flight conditions, resulting in complex image blurring. To address this challenge, this study proposes a novel wavefront-coded image restoration...
Cunhua Zhao,Xuteng Chen,Binqian Niu
Cunhua Zhao
The conformal optical systems are tremendously applied in precision-guided weapons. A corrector is traditionally used to compensate for the dynamic aberrations of an ellipsoidal dome. In this paper, what we believe to be a novel method is p...
Fast and accurate active alignment of camera lenses with physics-informed deep learning [0.03%]
基于物理信息的深度学习在相机镜头快速精确对准中的应用
Enjie Hu,Jiajian He,Jingwen Zhou et al.
Enjie Hu et al.
As optical systems become increasingly complex, accurate and fast alignment is becoming more critical. Active alignment (AA) techniques dynamically optimize optical positioning using real-time image quality feedback, ensuring better perform...
Theoretical and experimental investigations of angular effects in pulsed CO2 laser ablation with fused silica [0.03%]
脉冲CO2激光去除实验和理论研究中的角度效应
Yichi Han,Songlin Wan,Xiaocong Peng et al.
Yichi Han et al.
Laser ablation is widely recognized as a non-contact and contamination-free processing technology for fabricating fused silica optics. However, when machining curved optics, the introduction of incidence and path angles inevitably alters la...
Chaotic index modulation and subcarrier intra-block-inter-block shuffling for secure CO-OFDM-PON based on a hybrid 4D chaos [0.03%]
基于混合4D混沌的安全CO-OFDM-PON的混沌索引调制和子载波内块间交织技术
Yun Wang,Xiaolong Pan,Qi Zhang et al.
Yun Wang et al.
In this paper, a four-dimensional (4-D) encryption scheme with chaotic index modulation (IM) and subcarrier intra-block-inter-block shuffling is proposed to enhance the physical layer security of coherent orthogonal frequency division multi...