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Tailoring plasmonic and nonlinear optical response in ZnSe-based core–shell nanocomposites: influence of shell thickness and host matrix permittivity znse基核-壳纳米复合材料的等离子体和非线性光学响应：壳层厚度和基体介电常数的影响
IF 0.9 4区 物理与天体物理
Optical Review Pub Date : 2025-08-01 DOI: 10.1007/s10043-025-00996-7
Shewa Getachew Mamo
{"title":"Tailoring plasmonic and nonlinear optical response in ZnSe-based core–shell nanocomposites: influence of shell thickness and host matrix permittivity","authors":"Shewa Getachew Mamo","doi":"10.1007/s10043-025-00996-7","DOIUrl":"10.1007/s10043-025-00996-7","url":null,"abstract":"<div><p>This study presents a theoretical and numerical investigation of local field enhancement and optical bistability in ZnSe-based core–shell nanocomposites, providing insights for photonic applications. The structures consist of a ZnSe dielectric core and a metallic shell of either silver (<span>(textrm{Ag})</span>) or gold (<span>(textrm{Au})</span>), embedded in oxide matrices (<span>(textrm{SiO}_2)</span>, <span>(textrm{ZnO})</span>, or <span>(textrm{HFO}_2)</span>) with varying permittivities. Using the quasi-static approximation and the Lorentz–Drude model, we analyze how variations in the core radius (keeping the outer radius fixed) influence spectral response and local field enhancement. Results show that smaller cores (thicker shells) yield stronger local field enhancement factors (<span>(textrm{LFEF})</span>) due to increased plasmonic confinement. Ag shells produce sharper, more intense resonances than Au, attributed to lower damping and superior plasmonic performance. The dielectric environment also plays a key role: low-permittivity matrices like <span>(textrm{SiO}_2)</span> support higher field localization, while high-permittivity ones such as <span>(textrm{HFO}_2)</span> weaken confinement and blue-shift the resonances. Nonlinear analysis reveals that thicker shells and lower matrix permittivity enhance bistability and reduce switching thresholds, particularly in Ag-based systems. These findings highlight the critical influence of geometry and material choice on both linear and nonlinear optical responses. The results offer practical guidance for engineering core–shell nanocomposites tailored for applications in photonic devices, optical sensors, and all-optical switching.</p></div>","PeriodicalId":722,"journal":{"name":"Optical Review","volume":"32 4","pages":"619 - 630"},"PeriodicalIF":0.9,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144930840","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
New periodic wave solution for time-fractional perturbed nonlinear Schrödinger equation arising in optical fiber via newly extended mapping scheme 光纤中时间分数阶摄动非线性Schrödinger方程的新周期波解
IF 0.9 4区 物理与天体物理
Optical Review Pub Date : 2025-07-31 DOI: 10.1007/s10043-025-00994-9
Loubna Ouahid, M. A. Abdou, Dhafer O. Alshahrani, Ali Akgül
{"title":"New periodic wave solution for time-fractional perturbed nonlinear Schrödinger equation arising in optical fiber via newly extended mapping scheme","authors":"Loubna Ouahid,&nbsp;M. A. Abdou,&nbsp;Dhafer O. Alshahrani,&nbsp;Ali Akgül","doi":"10.1007/s10043-025-00994-9","DOIUrl":"10.1007/s10043-025-00994-9","url":null,"abstract":"<div><p>In this study, we investigate the time-fractional perturbed nonlinear Schrödinger equation in the context of optical fibers using the newly extended mapping scheme. As a result, many types of traveling wave solutions are obtained, including novel solitary wave solutions, triangular, hyperbolic, and periodic wave solutions expressed in terms of Jacobi elliptic functions. Solutions are obtained as well in the limiting cases for <span>(ell)</span> approach 0 or 1. By assigning specific values to the free parameters, the physical significance of the 2D and 3D geometric shapes of the derived solutions is discussed, and the corresponding physical variations are illustrated. This work demonstrates the applicability of the proposed method to a broader class of nonlinear evolution equations in physics and engineering.</p></div>","PeriodicalId":722,"journal":{"name":"Optical Review","volume":"32 4","pages":"608 - 618"},"PeriodicalIF":0.9,"publicationDate":"2025-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144930841","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Self-supervised neural reconstructions for lensless imaging 无透镜成像的自监督神经重建
IF 0.9 4区 物理与天体物理
Optical Review Pub Date : 2025-07-30 DOI: 10.1007/s10043-025-00992-x
Jose Reinaldo Cunha Santos Aroso Vieira Silva Neto, Hodaka Kawachi, Yasushi Yagi, Tomoya Nakamura
{"title":"Self-supervised neural reconstructions for lensless imaging","authors":"Jose Reinaldo Cunha Santos Aroso Vieira Silva Neto,&nbsp;Hodaka Kawachi,&nbsp;Yasushi Yagi,&nbsp;Tomoya Nakamura","doi":"10.1007/s10043-025-00992-x","DOIUrl":"10.1007/s10043-025-00992-x","url":null,"abstract":"<div><p>Recent advances in lensless imaging reconstruction have primarily relied on supervised neural models trained using target images captured by lensed cameras via a beam splitter. However, we argue that using reference images from a different optical system introduces bias into the reconstruction process. To mitigate this issue, we propose a self-supervised approach that leverages data-fidelity guidance, similar to deep image prior, to train neural models for single-iteration lensless reconstruction. Through simulations and prototype camera experiments, we demonstrate that combining simple convex optimization methods with a denoising UNet improves perceptual quality (LPIPS), accelerates inference compared to traditional optimization techniques, and reduces potential unwanted biases in the reconstruction network.</p></div>","PeriodicalId":722,"journal":{"name":"Optical Review","volume":"32 4","pages":"664 - 668"},"PeriodicalIF":0.9,"publicationDate":"2025-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10043-025-00992-x.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144930842","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design and performance of photon counting detector with charge coupling delay-line readout 电荷耦合延迟线读出光子计数探测器的设计与性能
IF 0.9 4区 物理与天体物理
Optical Review Pub Date : 2025-07-29 DOI: 10.1007/s10043-025-00982-z
Yalong Zhang, Yongan Liu, Xianghui Yang, Zhe Liu, Lizhi Sheng, Yue Li
{"title":"Design and performance of photon counting detector with charge coupling delay-line readout","authors":"Yalong Zhang,&nbsp;Yongan Liu,&nbsp;Xianghui Yang,&nbsp;Zhe Liu,&nbsp;Lizhi Sheng,&nbsp;Yue Li","doi":"10.1007/s10043-025-00982-z","DOIUrl":"10.1007/s10043-025-00982-z","url":null,"abstract":"<div><p>Detectors based on cross delay-line (XDL) anodes with charge induction are widely applicable in space astronomical telescopes, deep space exploration, and fluorescence lifetime measurements. In this article, a three-dimensional structure XDL anode based on Printed Circuit Board (PCB) technology is proposed, which can conveniently realize high-resolution detection with a simple process and low cost. We theoretically studied the charge induction principle and established a model of the XDL anode through the finite element method. The model allows us to determine anode parameters, such as anode strip width, inter-strip distance, and substrate thickness, to optimize the output signal on the XDL anode, thereby indirectly affecting the resolution of the detector. Based on the experimental platform, we systematically characterized the key performance parameters of the detector. We conclude that the spatial resolution of the detector is better than 50 <span>(upmu)</span>m and the non-linearity is less than 5<span>(%)</span>. </p></div>","PeriodicalId":722,"journal":{"name":"Optical Review","volume":"32 3","pages":"504 - 511"},"PeriodicalIF":0.9,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144930843","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Robust multibook recording with signal beam phase optimization based on Gerchberg–Saxton algorithm for holographic data storage 基于Gerchberg-Saxton算法的全息数据存储信号波束相位优化鲁棒多本记录
IF 0.9 4区 物理与天体物理
Optical Review Pub Date : 2025-07-28 DOI: 10.1007/s10043-025-00989-6
Makoto Hosaka, Ryushi Fujimura
{"title":"Robust multibook recording with signal beam phase optimization based on Gerchberg–Saxton algorithm for holographic data storage","authors":"Makoto Hosaka,&nbsp;Ryushi Fujimura","doi":"10.1007/s10043-025-00989-6","DOIUrl":"10.1007/s10043-025-00989-6","url":null,"abstract":"<div><p>Owing to the rapid growth of digital information, demand for archival storage with high data transfer rate, large capacity, longevity, low power consumption, and low running cost has surged. Although holographic data storage (HDS) is considered as a promising candidate for next-generation archival storage due to its potential in these areas, it has not been released commercially due to difficulties in stable recording and reproduction across the whole recording area or multibook area. In this study, we proposed a robust multibook recording technique based on signal beam phase optimization using the Gerchberg–Saxton (GS) algorithm. We optimized the target distribution of the signal beam amplitude at the Fourier plane for the GS algorithm, considering the hologram recording and reproduction characteristics, such as DC suppression, inter-book-interference (IBI) reduction, and the signal-to-noise ratio (SNR). Optical simulation of multibook recording and reproduction shows that IBI can be properly reduced, and sufficient SNR can be retained even if 13.6% book misalignments occur during recording. In addition, combining the proposed technique with an accurate book alignment method could increase the HDS capacity by 33.9%.</p></div>","PeriodicalId":722,"journal":{"name":"Optical Review","volume":"32 4","pages":"650 - 663"},"PeriodicalIF":0.9,"publicationDate":"2025-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10043-025-00989-6.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144930844","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Noncontact detection of underwater ultrasound using laser light based on the self-coupling effect of a semiconductor laser 基于半导体激光器自耦合效应的激光水下超声非接触探测
IF 0.9 4区 物理与天体物理
Optical Review Pub Date : 2025-07-26 DOI: 10.1007/s10043-025-00983-y
Keisuke Fukuyama, Norio Tsuda, Daisuke Mizushima
{"title":"Noncontact detection of underwater ultrasound using laser light based on the self-coupling effect of a semiconductor laser","authors":"Keisuke Fukuyama,&nbsp;Norio Tsuda,&nbsp;Daisuke Mizushima","doi":"10.1007/s10043-025-00983-y","DOIUrl":"10.1007/s10043-025-00983-y","url":null,"abstract":"<div><p>When a hydrophone with a vibrating membrane is placed in water, the ultrasonic waves to be detected diffract and reflect. Therefore, conventional hydrophones cannot accurately measure the sound field distribution. Another noncontact method for measuring the sound field distribution is the Schlieren method. However, this method requires meticulous optical axis adjustment using a Schlieren lens and a knife edge, and this method is not versatile. Therefore, a laser hydrophone, which uses the self-coupling effect of a semiconductor laser to detect ultrasonic waves without contact with the sound field, is developed, and the sound field is investigated. The optical system of the laser hydrophone is composed of only a few components. In addition, because ultrasonic waves can be detected using only a small amount of light, no optical axis adjustment is necessary. The frequency response of the laser hydrophone is flat. The upper limit of the detectable frequency is determined by the relationship between the large diameter of the laser beam and the frequency of the ultrasonic waves. The measured sound pressure distribution of the laser hydrophone qualitatively agreed with that of the simulation.</p></div>","PeriodicalId":722,"journal":{"name":"Optical Review","volume":"32 3","pages":"557 - 566"},"PeriodicalIF":0.9,"publicationDate":"2025-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144930494","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Broadband and compact polarization rotator based on cascaded-stair waveguide with low insertion loss 基于低插入损耗级联阶梯波导的宽带紧凑型偏振旋转器
IF 0.9 4区 物理与天体物理
Optical Review Pub Date : 2025-07-18 DOI: 10.1007/s10043-025-00993-w
Kelei Miao, Xiaowen Lv
{"title":"Broadband and compact polarization rotator based on cascaded-stair waveguide with low insertion loss","authors":"Kelei Miao,&nbsp;Xiaowen Lv","doi":"10.1007/s10043-025-00993-w","DOIUrl":"10.1007/s10043-025-00993-w","url":null,"abstract":"<div><p>Given that silicon-on-insulator (SOI) has a high refractive index contrast and intrinsic birefringence, photonics devices based on SOI are typically polarization-sensitive. To address this issue, a novel broadband mid-infrared polarization rotator (PR) based on cascaded stepped waveguides was put forward. It can achieve polarization conversion between the fundamental <b><i>TM</i></b><sub>0</sub> and <b><i>TE</i></b><sub>0</sub> modes through mode hybridization formed in asymmetric waveguides. The finite-difference time-domain (FDTD) method was employed to explore its polarization rotation characteristics and optimize the device structure. Simulation results demonstrate that at the central wavelength of 2.53 µm, the maximum polarization extinction ratio (PER) can attain 40.02 dB, the polarization conversion efficiency (PCE) exceeds 99.8%, and the insertion loss (IL) is as low as 0.12 dB. Moreover, the operating bandwidth is expanded to 490 nm (spanning from 2.28 to 2.77 µm). Meanwhile, the device length is merely 16.4 μm. Furthermore, tolerance analysis indicates that the device has good manufacturing tolerance. Owing to its high PER, large bandwidth, and small footprint, the proposed PR has significant application potential in mid-infrared photonic integrated circuits (PICs).</p></div>","PeriodicalId":722,"journal":{"name":"Optical Review","volume":"32 4","pages":"592 - 607"},"PeriodicalIF":0.9,"publicationDate":"2025-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144930845","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dual coupled subwavelength triangular prism silver nanowire SPPs hybrid waveguide 双耦合亚波长三角形棱镜银纳米线SPPs混合波导
IF 0.9 4区 物理与天体物理
Optical Review Pub Date : 2025-07-08 DOI: 10.1007/s10043-025-00987-8
Yindi Wang, Yu Yun, Jing Zhang, Ling Sun, Zhe Wu, Ruiqi Wang
{"title":"Dual coupled subwavelength triangular prism silver nanowire SPPs hybrid waveguide","authors":"Yindi Wang,&nbsp;Yu Yun,&nbsp;Jing Zhang,&nbsp;Ling Sun,&nbsp;Zhe Wu,&nbsp;Ruiqi Wang","doi":"10.1007/s10043-025-00987-8","DOIUrl":"10.1007/s10043-025-00987-8","url":null,"abstract":"<div><p>In this paper, a 1550 nm subwavelength triangular prism silver nanowire SPPs hybrid waveguide structure with dual coupling modes was proposed. By introducing two mode coupling regions, the waveguide has achieved efficient and strong mode coupling, which endows the hybrid waveguide with the characteristics of a small effective mode area, a long transmission length and good robustness. The effective mode area of the proposed waveguide is less than 0.002, and the transmission length reaches over 300 μm, which has great application value in the design of small optoelectronic devices.</p></div>","PeriodicalId":722,"journal":{"name":"Optical Review","volume":"32 4","pages":"567 - 574"},"PeriodicalIF":0.9,"publicationDate":"2025-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144930846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Parameter estimation and synchronization between uncertain laser networks with delayed coupling and different node dynamics 具有延迟耦合和不同节点动态的不确定激光网络参数估计与同步
IF 0.9 4区 物理与天体物理
Optical Review Pub Date : 2025-07-02 DOI: 10.1007/s10043-025-00988-7
Hongfeng Hou, Ling Lü
{"title":"Parameter estimation and synchronization between uncertain laser networks with delayed coupling and different node dynamics","authors":"Hongfeng Hou,&nbsp;Ling Lü","doi":"10.1007/s10043-025-00988-7","DOIUrl":"10.1007/s10043-025-00988-7","url":null,"abstract":"<div><p>Actual network typically has different node dynamics, uncertainties, and delay effects. Therefore, when studying the synchronization between laser networks, fully considering these practical situations has important practical value. In this work, we not only consider the delay effect of connections between laser network nodes, but also assume the existence of uncertain parameter and different dynamics of network nodes. Therefore, uncertain parameter in the laser network is identified through the designed parameter identification law. Meanwhile, we design a suitable Lyapunov–Krasovskii functional to obtain the synchronization criterion between laser networks. Finally, we verify the main results of the theoretical analysis through numerical simulations, and find that they are completely consistent. </p></div>","PeriodicalId":722,"journal":{"name":"Optical Review","volume":"32 4","pages":"575 - 581"},"PeriodicalIF":0.9,"publicationDate":"2025-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144930847","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Numerical simulations on self-referential holographic data storage with built-in denoising function by self-referential holographic deep neural network 利用自指全息深度神经网络对内置去噪功能的自指全息数据存储进行数值模拟
IF 0.9 4区 物理与天体物理
Optical Review Pub Date : 2025-06-21 DOI: 10.1007/s10043-025-00978-9
Yuta Eto, Rio Tomioka, Taichi Takatsu, Masanori Takabayashi
{"title":"Numerical simulations on self-referential holographic data storage with built-in denoising function by self-referential holographic deep neural network","authors":"Yuta Eto,&nbsp;Rio Tomioka,&nbsp;Taichi Takatsu,&nbsp;Masanori Takabayashi","doi":"10.1007/s10043-025-00978-9","DOIUrl":"10.1007/s10043-025-00978-9","url":null,"abstract":"<div><p>Self-referential holography (SRH), a holographic technique that enables the recording, reading, and control of two-dimensional (2D) patterns using a one-beam geometry, can be applied to holographic data storage (HDS) and optoelectronic deep neural network (OE-DNN). Since both applications are implemented using the same optical system, they can be integrated into a single system. We propose a self-referential HDS (SR-HDS) with a built-in denoising function using a self-referential holographic deep neural network (SR-HDNN), where the quality of reconstructed datapages in HDS can be enhanced using deep neural networks (DNNs) without requiring costly electronic computers for implementation. Numerical simulations are performed to demonstrate the feasibility of the proposed method.</p></div>","PeriodicalId":722,"journal":{"name":"Optical Review","volume":"32 3","pages":"534 - 545"},"PeriodicalIF":0.9,"publicationDate":"2025-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10043-025-00978-9.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144930849","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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