Optics Communications最新文献

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Design and demonstration of a high-performance, compact 2×2 optical switch based on optimized RI-MMI couplers for fast C-band switching in scalable photonic networks 基于优化的RI-MMI耦合器的高性能,紧凑型2×2光开关的设计和演示,用于可扩展光子网络中的快速c波段交换
IF 2.5 3区 物理与天体物理
Optics Communications Pub Date : 2025-09-13 DOI: 10.1016/j.optcom.2025.132462
Thuy Tran Thi Thanh , Duy Nguyen Thi Hang , Minh Tuan Trinh , Linh Ho Duc Tam , Tan Hung Nguyen , Cao Dung Truong
{"title":"Design and demonstration of a high-performance, compact 2×2 optical switch based on optimized RI-MMI couplers for fast C-band switching in scalable photonic networks","authors":"Thuy Tran Thi Thanh ,&nbsp;Duy Nguyen Thi Hang ,&nbsp;Minh Tuan Trinh ,&nbsp;Linh Ho Duc Tam ,&nbsp;Tan Hung Nguyen ,&nbsp;Cao Dung Truong","doi":"10.1016/j.optcom.2025.132462","DOIUrl":"10.1016/j.optcom.2025.132462","url":null,"abstract":"<div><div>We present the design and fabrication of a 2 × 2 optical switch based on a Mach-Zehnder Interferometer (MZI) configuration that exhibits high switching performance, enhancing 3 dB bandwidth at low loss. The advancement of the switch design is to use two thermo-optic phase shifters (TOPSs), which enable precise switching between output ports by adjusting the applied voltage. With these two TOPSs, the device overcomes the challenges of thermal crosstalk and improves switching accuracy, ensuring stable operation even with high thermal sensitivity. We provide a comprehensive evaluation of the switch's performance, including passive, DC, and AC characteristics. The DC characterization demonstrates the ability to route signals to different ports based on the applied voltage, while the AC measurement reveals a fast-switching time of approximately 20 μs at the target wavelength of 1548.6 nm. The passive performance exhibits excellent signal integrity with minimal insertion loss (IL) and crosstalk (XT) within the C-band. Furthermore, this design can potentially be expanded into larger configurations, such as 8 × 8, 16 × 16, and even 64 × 64, by leveraging MMI-based architectures like Banyan and Benes topologies. This scalability makes it an ideal candidate for high-performance, large-scale optical switching networks, where fast switching, low loss, and minimal crosstalk are essential.</div></div>","PeriodicalId":19586,"journal":{"name":"Optics Communications","volume":"596 ","pages":"Article 132462"},"PeriodicalIF":2.5,"publicationDate":"2025-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145061074","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Symmetry-protected bound states in the continuum resonance with wavelength stable and Q factor strong robustness excited by hetero-out-of-plane metasurface 由异面外超表面激发的具有波长稳定和Q因子强鲁棒性的连续共振中的对称保护束缚态
IF 2.5 3区 物理与天体物理
Optics Communications Pub Date : 2025-09-12 DOI: 10.1016/j.optcom.2025.132464
Xiaowei Jiang , Chunlian Zhan , Guoshuai Zhang , Xin He , Luling Xie
{"title":"Symmetry-protected bound states in the continuum resonance with wavelength stable and Q factor strong robustness excited by hetero-out-of-plane metasurface","authors":"Xiaowei Jiang ,&nbsp;Chunlian Zhan ,&nbsp;Guoshuai Zhang ,&nbsp;Xin He ,&nbsp;Luling Xie","doi":"10.1016/j.optcom.2025.132464","DOIUrl":"10.1016/j.optcom.2025.132464","url":null,"abstract":"<div><div>Achieving symmetry-protected quasi-bound state in the continuum (QBIC) resonance with wavelength stable and Q factor strong robustness is a significant pursuit in nanophotonics. This article presents a hetero-out-of-plane (HOP) asymmetric metasurface (AMS), where the hetero material is located up the symmetric metasurface (HOP<sub>u</sub>). Research shows that the HOP<sub>u</sub> AMS can maintain more stable symmetry-protected QBIC resonance wavelength when the asymmetric parameter changes and exhibits more strong robustness Q factor than in-plane (IP), out-of-plane (OP), and HOP<sub>b</sub> AMS (in the HOP<sub>b</sub> case, the hetero material is located below the symmetric metasurface). The primary reason is that the HOP<sub>u</sub> AMS breaks the out-of-plane symmetry to excite the QBIC resonance through the hetero material, and it has the lowest degree of asymmetry under identical conditions. The effect of the refractive index of the hetero material on the QBIC resonance of the HOP<sub>u</sub> AMS was explored. In addition to the asymmetric parameter, the refractive index of the hetero material can modulate the wavelength, reflectivity, and Q factor of the QBIC resonance, which enables the multi-dimensional control of the QBIC resonance of the HOP<sub>u</sub> AMS. The effects of key structural parameters of the HOP<sub>u</sub> AMS on its QBIC resonance were studied, and its intrinsic physical mechanisms were analyzed.</div></div>","PeriodicalId":19586,"journal":{"name":"Optics Communications","volume":"596 ","pages":"Article 132464"},"PeriodicalIF":2.5,"publicationDate":"2025-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145061077","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Detailed analysis of the population density and temperature distribution in diode pumped rare gas atoms laser 详细分析了二极管泵浦稀有气体原子激光器的密度和温度分布
IF 2.5 3区 物理与天体物理
Optics Communications Pub Date : 2025-09-12 DOI: 10.1016/j.optcom.2025.132461
Hongyu Liu , Donglin Ma , Hanyuan Chen
{"title":"Detailed analysis of the population density and temperature distribution in diode pumped rare gas atoms laser","authors":"Hongyu Liu ,&nbsp;Donglin Ma ,&nbsp;Hanyuan Chen","doi":"10.1016/j.optcom.2025.132461","DOIUrl":"10.1016/j.optcom.2025.132461","url":null,"abstract":"<div><div>As a high quantum efficiency and high optical conversion efficiency laser, diode pumped rare gas atoms laser (DPRGL) exhibits significant potential to evolve into a high-power laser system. However, following over a decade of development, the current publicly reported maximum experimental power output for end-pumped DPRGL is merely 4.1 W. To explore the underlying factors limiting the current output power of DPRGL and considering the significant impact of metastable argon atoms density on the output characteristics of DPRGL, this study employed an iterative calculation approach in conjunction with the five-level model of DPRGL and a heat transfer model to determine the radial distribution of metastable rare gas atoms population density and temperature within the discharge cell. Using our numerical model, we simulated the laser's operational performance at 1 kW output power and systematically investigated the potential reasons that currently restrict the output characteristics of DPRGL.</div></div>","PeriodicalId":19586,"journal":{"name":"Optics Communications","volume":"596 ","pages":"Article 132461"},"PeriodicalIF":2.5,"publicationDate":"2025-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145061075","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Tuning exceptional points towards switchable nonreciprocity 将异常点调整为可切换的非互易性
IF 2.5 3区 物理与天体物理
Optics Communications Pub Date : 2025-09-12 DOI: 10.1016/j.optcom.2025.132400
Xiaowei Li , Jun Wang , Qi Liu , Jie Lin , Peng Jin , Shutian Liu , Keya Zhou
{"title":"Tuning exceptional points towards switchable nonreciprocity","authors":"Xiaowei Li ,&nbsp;Jun Wang ,&nbsp;Qi Liu ,&nbsp;Jie Lin ,&nbsp;Peng Jin ,&nbsp;Shutian Liu ,&nbsp;Keya Zhou","doi":"10.1016/j.optcom.2025.132400","DOIUrl":"10.1016/j.optcom.2025.132400","url":null,"abstract":"<div><div>Exceptional points (EPs) have been extensively studied in tapered fiber-coupled microcavities, where their parameter coalescence can be engineered and manipulated through either gain/loss or coupling mechanisms. However, realizing and dynamically tuning EPs on a chip-based platform remains challenging, primarily due to the incompatibility of integrated gain materials and the lack of effective methods for controlling the extracavity coupling. Here, we propose an on-chip tunable EPs configuration based on a microring integrated with graphene and dual scatters. The states of the graphene-based dual-scatterer add-drop microring (GDS-ADM) configuration can be dynamically tuned among an EP with positive chirality (EP+), a non-exceptional point (non-EP) and an EP with negative chirality (EP-) by varying the bias voltage applied to graphene. The dynamics of the GDS-ADM are analyzed under both linear and thermo-optical nonlinear status. The results show that an optical nonreciprocal transmission can be achieved when thermo-optic nonlinearity is activated, and further switchable tuned by the bias voltage. The proposed configuration will find potential applications in on-chip optical communication and sensing.</div></div>","PeriodicalId":19586,"journal":{"name":"Optics Communications","volume":"596 ","pages":"Article 132400"},"PeriodicalIF":2.5,"publicationDate":"2025-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145106737","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
A high-speed and high-accuracy single LED three-dimensional visible light positioning system based on virtual beacon 基于虚拟信标的高速高精度单LED三维可见光定位系统
IF 2.5 3区 物理与天体物理
Optics Communications Pub Date : 2025-09-11 DOI: 10.1016/j.optcom.2025.132368
Zhanqi Ma , Jingwen Li , Xutao Fan , Jiahong Zeng , Huanglong Cao , Bin Zhou , Hezhong Pan , Junbin Fang
{"title":"A high-speed and high-accuracy single LED three-dimensional visible light positioning system based on virtual beacon","authors":"Zhanqi Ma ,&nbsp;Jingwen Li ,&nbsp;Xutao Fan ,&nbsp;Jiahong Zeng ,&nbsp;Huanglong Cao ,&nbsp;Bin Zhou ,&nbsp;Hezhong Pan ,&nbsp;Junbin Fang","doi":"10.1016/j.optcom.2025.132368","DOIUrl":"10.1016/j.optcom.2025.132368","url":null,"abstract":"<div><div>Visible Light Positioning (VLP) has been proved to provide two-dimensional (2D) indoor positioning capabilities with high accuracy. However, there are still drawbacks to the application of the existing VLP system in three-dimensional (3D) indoor spaces, such as reliance on multiple LED emitters for positioning and the integration of additional sensors, which increases system complexity. This paper proposes a novel 3D VLP system that offer the fast, precise and lightweight guidance to mini indoor unmanned aerial vehicles by utilizing a single LED positioning luminaire. We construct virtual beacon to obtain critical parameters for 2D–3D coordinate transformation in the pinhole camera model, enabling high-accuracy 3D positioning without additional hardware. Furthermore, a lightweight variable step size image processing algorithm is proposed to reduce computational complexity and positioning latency, thereby supporting real-time positioning. The proposed 3D VLP system is implemented using a commercially available LED luminaire and a Raspberry Pi, which is also tested in practical scenarios. The experimental results demonstrate that the average calculation error for 3D coordinates is 4.26 cm, exhibiting good robustness within a tilt angle range of 0°to 6°. The system achieves an average positioning time of 18.06 ms even at speeds of up to 25 km/h.</div></div>","PeriodicalId":19586,"journal":{"name":"Optics Communications","volume":"596 ","pages":"Article 132368"},"PeriodicalIF":2.5,"publicationDate":"2025-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145061072","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Spatiotemporal couplings in spectrally multiplexed optical parametric amplifications 频谱复用光参量放大中的时空耦合
IF 2.5 3区 物理与天体物理
Optics Communications Pub Date : 2025-09-10 DOI: 10.1016/j.optcom.2025.132450
Qiwen Zhen , Xin Liu , Jinhui Li , Bobin Gao , Yishan Wang , Wei Zhao , Nan Huang , Huabao Cao , Yuxi Fu
{"title":"Spatiotemporal couplings in spectrally multiplexed optical parametric amplifications","authors":"Qiwen Zhen ,&nbsp;Xin Liu ,&nbsp;Jinhui Li ,&nbsp;Bobin Gao ,&nbsp;Yishan Wang ,&nbsp;Wei Zhao ,&nbsp;Nan Huang ,&nbsp;Huabao Cao ,&nbsp;Yuxi Fu","doi":"10.1016/j.optcom.2025.132450","DOIUrl":"10.1016/j.optcom.2025.132450","url":null,"abstract":"<div><div>Ultrashort laser pulses with high peak intensity and good spatiotemporal characteristic are essential for attosecond pulse generation, laser-plasma acceleration and other strong-field physics research. The spectrally multiplexed optical parametric amplification (OPA) is one of the key approaches to generate pulses with high peak intensity and ultrashort pulse duration. To investigate the spatiotemporal characteristic of these ultrashort intense pulses, we present a numerical simulation of spectrally multiplexed noncollinear optical parametric amplification (NOPA) system. The spatiotemporal couplings (STCs) are caused by the inhomogeneous signal gain in spatial domain. When longer crystal is employed to achieve higher gain level, the difference of optical parametric phase (OPP) at distinct beam positions increases, leading to stronger STCs. At the same gain level, STCs in spectrally multiplexed NOPA can be effectively suppressed by adopting flat-top pump profile, where the Strehl Ratio (SR) of amplified signal is higher than that using Gaussian pump profile.</div></div>","PeriodicalId":19586,"journal":{"name":"Optics Communications","volume":"596 ","pages":"Article 132450"},"PeriodicalIF":2.5,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145047369","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Super-resolution reconstruction of the holographically reconstructed image based on improved ESRGAN 基于改进ESRGAN的全息重建图像的超分辨率重建
IF 2.5 3区 物理与天体物理
Optics Communications Pub Date : 2025-09-10 DOI: 10.1016/j.optcom.2025.132451
Yuan Chen , Sitian Li , Hongwei Ma , Peichao Li , Guangming Zhang , Jingjie Guo , Ming Dong
{"title":"Super-resolution reconstruction of the holographically reconstructed image based on improved ESRGAN","authors":"Yuan Chen ,&nbsp;Sitian Li ,&nbsp;Hongwei Ma ,&nbsp;Peichao Li ,&nbsp;Guangming Zhang ,&nbsp;Jingjie Guo ,&nbsp;Ming Dong","doi":"10.1016/j.optcom.2025.132451","DOIUrl":"10.1016/j.optcom.2025.132451","url":null,"abstract":"<div><div>In digital holographic measurement, various noise sources, including dark current noise, readout noise, and photon shot noise from the CCD, can adversely affect the recording of interference fringes by introducing voltage fluctuations and degrading fringe contrast. Furthermore, optical system imperfections such as stray light, component defects and air turbulence lead to superposition and distortion of the fringe pattern, causing spatial deformation and temporal jitter. These combined effects ultimately compromise the resolution of the reconstructed holographic image. Therefore, in this paper, a super-resolution reconstruction method for the holographically reconstructed images based on improved ESRGAN is proposed, by optimizing the network structure and loss function, and introducing a noise reduction module to enhance the denoising ability and detail recovery performance of this method. Firstly, the DIV2K public dataset is converted into a digital holographically simulated dataset by means of the off-axis Fresnel holographic recording method. Then, the experimental dataset is constructed by reconstructing the holograms of the samples collected using the reflective off-axis optical path system based on Fresnel diffraction method. Finally, the constructed dataset is used for network training and testing, and the experimental results are compared and analyzed with those of the other four methods. The experimental results show that the proposed method outperforms the other methods in five metrics: PSNR, SSIM, RMSE, LPIPS and BRISQUE, especially in detail recovery and texture enhancement, and the reconstruction results are more in line with human visual perception characteristics. Therefore, the improved ESRGAN method proposed in this paper has significant advantages in the super-resolution reconstruction quality of the holographically reconstructed images, and provides a new technical approach for high-precision holographic imaging.</div></div>","PeriodicalId":19586,"journal":{"name":"Optics Communications","volume":"596 ","pages":"Article 132451"},"PeriodicalIF":2.5,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145047373","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Metasurface enhanced third harmonic generation and polarization-sensitive all-optical switch design based on BIC 基于BIC的超表面增强三次谐波产生及偏振敏感全光开关设计
IF 2.5 3区 物理与天体物理
Optics Communications Pub Date : 2025-09-10 DOI: 10.1016/j.optcom.2025.132453
Shuyuan Lv, Lan An, Wenfeng Luo, Lulu Zhang, Jue Liu
{"title":"Metasurface enhanced third harmonic generation and polarization-sensitive all-optical switch design based on BIC","authors":"Shuyuan Lv,&nbsp;Lan An,&nbsp;Wenfeng Luo,&nbsp;Lulu Zhang,&nbsp;Jue Liu","doi":"10.1016/j.optcom.2025.132453","DOIUrl":"10.1016/j.optcom.2025.132453","url":null,"abstract":"<div><div>To address the issues of low nonlinear efficiency, phase matching dependence, and large device volume in traditional third harmonic generation (THG) techniques, this study proposes a silicon-based double elliptical air nanoholes metasurface architecture for THG based on bound states in the continuum (BICs). By adjusting the rotation angle <em>θ</em> of the double elliptical air nanoholes to break the in-plane symmetry, the quasi-bound states in the continuum (q-BIC) is excited and the quality factor is dynamically tuned. When <em>θ</em> = 15°, the q-BIC excited by symmetry breaking forms a high-<em>Q</em> (4210) magnetic dipole resonance at 1349.1 nm. The local field enhancement effect simultaneously promotes efficient THG at 449.7 nm, with a conversion efficiency of 9.635 × 10<sup>−3</sup>. This dual-wavelength resonance mechanism stems from the strong field localization of the q-BIC and the synergistic effect of the third-order nonlinear polarization tensor <em>χ</em><sup>(3)</sup>.When the pump light is <em>x</em>-polarized, the THG power is nearly 9 orders of magnitude higher than that of <em>y</em>-polarized light, verifying the polarization-sensitive nonlinear response characteristics. Based on this, a novel all-optical switch design scheme is proposed, which realizes the conversion of the signal light power between \"on\" and \"off\" states by switching the polarization state of the pump light.</div></div>","PeriodicalId":19586,"journal":{"name":"Optics Communications","volume":"596 ","pages":"Article 132453"},"PeriodicalIF":2.5,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145047501","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Common-path interferometric single-pixel photothermal imaging 共路干涉单像素光热成像
IF 2.5 3区 物理与天体物理
Optics Communications Pub Date : 2025-09-10 DOI: 10.1016/j.optcom.2025.132413
Han Li, Hong-Da Wei, Chao Liu, Ru Zhao, Ya-Nan Zhao, Wei Dang, Su-Heng Zhang
{"title":"Common-path interferometric single-pixel photothermal imaging","authors":"Han Li,&nbsp;Hong-Da Wei,&nbsp;Chao Liu,&nbsp;Ru Zhao,&nbsp;Ya-Nan Zhao,&nbsp;Wei Dang,&nbsp;Su-Heng Zhang","doi":"10.1016/j.optcom.2025.132413","DOIUrl":"10.1016/j.optcom.2025.132413","url":null,"abstract":"<div><div>Photothermal imaging is a label-free and chemically specific technique, but it is often limited by optical complexity and environmental sensitivity. We present common-path interferometric single-pixel photothermal imaging (CISPI), where an <span><math><mrow><mn>800</mn><mspace></mspace><mi>nm</mi></mrow></math></span> femtosecond laser is split into pump and probe beams. The probe beam, modulated by a DMD, generates co-propagating structured and reference light, and two single-pixel detectors record interference signals to reconstruct magnitude, real-part, and wrapped-phase images. The compact common-path design ensures high stability and resistance to environmental disturbances. Photothermal phase evolution was characterized for different solutions, and real-time phase shifts were monitored with varying solution concentration and pump power, both showing strong correlations. CISPI achieves a spatial resolution of 57 lp/mm and an imaging rate of 0.49 fps at 64 × 64 pixels. Experimental results demonstrate the robustness of CISPI for photothermal phase imaging. CISPI enables characterization of photothermal dynamics in materials science and label-free cellular imaging in biomedicine.</div></div>","PeriodicalId":19586,"journal":{"name":"Optics Communications","volume":"596 ","pages":"Article 132413"},"PeriodicalIF":2.5,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145061073","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Quantum hydrodynamic theory modeling of spontaneous emission and energy level shift in plasmonic nanostructures: Impact of energy functional choices 等离子体纳米结构中自发发射和能级转移的量子流体动力学理论建模:能量功能选择的影响
IF 2.5 3区 物理与天体物理
Optics Communications Pub Date : 2025-09-09 DOI: 10.1016/j.optcom.2025.132403
Qihong Hu , Runfeng Liu , Xinyu Shan, Xiaoyun Wang, Hong Yang, Yonggang Huang
{"title":"Quantum hydrodynamic theory modeling of spontaneous emission and energy level shift in plasmonic nanostructures: Impact of energy functional choices","authors":"Qihong Hu ,&nbsp;Runfeng Liu ,&nbsp;Xinyu Shan,&nbsp;Xiaoyun Wang,&nbsp;Hong Yang,&nbsp;Yonggang Huang","doi":"10.1016/j.optcom.2025.132403","DOIUrl":"10.1016/j.optcom.2025.132403","url":null,"abstract":"<div><div>We present a comprehensive optical analysis of spontaneous emission and energy level shifts of quantum emitters near sodium nanospheres using quantum hydrodynamic theory (QHT). Emphasizing near-field light–matter interactions, we investigate how different kinetic and exchange–correlation energy functionals influence the optical response within QHT. Our results show that a Laplacian-level kinetic energy functional, when combined with a local-density approximation, provides the most accurate and stable predictions for plasmonic nanostructures. To validate the robustness of this approach, we employ the Kramers–Kronig relation to calculate optical level shifts, demonstrating excellent numerical convergence. These findings underscore the importance of functional choice in accurately capturing nonclassical optical effects. Our study offers practical insights for quantum-corrected modeling in nanophotonics, enabling improved predictive capabilities in systems where nonlocal and quantum effects are critical.</div></div>","PeriodicalId":19586,"journal":{"name":"Optics Communications","volume":"596 ","pages":"Article 132403"},"PeriodicalIF":2.5,"publicationDate":"2025-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145027374","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
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