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Chemically Engineered GaN Thin Films for Light-Stimulated Artificial Synapses
IF 3.7
Advanced Photonics Research Pub Date : 2025-01-26 DOI: 10.1002/adpr.202400146
Xiaoqin Yang, Jiawen Lu, Luyu Zhao, Xiaorui Han, Zhongwei Bai, Peiwen Quan, Liangshuai Xie, Liang Li, Haoxuan Sun, Mark Hermann Rummeli, Bingcheng Luo, Hong Gu
{"title":"Chemically Engineered GaN Thin Films for Light-Stimulated Artificial Synapses","authors":"Xiaoqin Yang,&nbsp;Jiawen Lu,&nbsp;Luyu Zhao,&nbsp;Xiaorui Han,&nbsp;Zhongwei Bai,&nbsp;Peiwen Quan,&nbsp;Liangshuai Xie,&nbsp;Liang Li,&nbsp;Haoxuan Sun,&nbsp;Mark Hermann Rummeli,&nbsp;Bingcheng Luo,&nbsp;Hong Gu","doi":"10.1002/adpr.202400146","DOIUrl":"https://doi.org/10.1002/adpr.202400146","url":null,"abstract":"<p>The conventional von Neumann architecture is increasingly losing the capacity to satisfy the urgent demand for high-speed parallel computing, energy efficiency, and ultralow power consumption owing to the rapid growth of information. Brain-inspired neuromorphic computing presents an opportunity to overcome the inherent limitations of conventional computers. In recent years, photoelectric neuromorphic devices have garnered significant attention for their potential applications in brain–machine interfaces, intelligent sensing, and neuromorphic computing. Herein, a simple two-terminal light-stimulated synaptic device is fabricated using GaN thin films through metal-organic chemical vapor deposition. The device demonstrates the ability to mimic various biological synaptic functions, including learning-experience behavior, the transition from short-term to long-term memory, paired-pulse facilitation, and visual recognition and memory. In this research, an effective strategy for developing photonic synapses using GaN-based materials in neuromorphic computing and bio-realistic artificial intelligence systems is presented.</p>","PeriodicalId":7263,"journal":{"name":"Advanced Photonics Research","volume":"6 2","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/adpr.202400146","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143187139","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
1 × N All-Logic Optical Switch Based on Polymer Platform Using Multimode Interferometer
IF 3.7
Advanced Photonics Research Pub Date : 2025-01-05 DOI: 10.1002/adpr.202570001
Guoyan Zeng, Daming Zhang, Fei Wang, Xibin Wang, Yuexin Yin
{"title":"1 × N All-Logic Optical Switch Based on Polymer Platform Using Multimode Interferometer","authors":"Guoyan Zeng,&nbsp;Daming Zhang,&nbsp;Fei Wang,&nbsp;Xibin Wang,&nbsp;Yuexin Yin","doi":"10.1002/adpr.202570001","DOIUrl":"https://doi.org/10.1002/adpr.202570001","url":null,"abstract":"<p><b>Optical Switches</b>\u0000 </p><p>In article number 2400118, Yuexin Yin and co-workers fabricate a 1 × <i>N</i> generalized Mach-Zehnder interferometer (GMZI) based switch on a polymer platform. This scalable structure is realized for 1 × 2, 1 × 3, and 1 × 4 switches. With phase compensations introduced, for the 1 × 4 switch, the bandwidth is 13 times larger for 10 dB crosstalk. Moreover, the all-logic optical switch is demonstrated based on the switch proposed.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":7263,"journal":{"name":"Advanced Photonics Research","volume":"6 1","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-01-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/adpr.202570001","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143112203","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Aberration-Corrected Holographic Optical Elements Based on Consistent Shapes of Printed Hogels
IF 3.7
Advanced Photonics Research Pub Date : 2025-01-05 DOI: 10.1002/adpr.202570003
Jiwoon Yeom, Jung Beom Choi, Geun Seop Choi, Kwang-Soon Choi, Jisoo Hong
{"title":"Aberration-Corrected Holographic Optical Elements Based on Consistent Shapes of Printed Hogels","authors":"Jiwoon Yeom,&nbsp;Jung Beom Choi,&nbsp;Geun Seop Choi,&nbsp;Kwang-Soon Choi,&nbsp;Jisoo Hong","doi":"10.1002/adpr.202570003","DOIUrl":"https://doi.org/10.1002/adpr.202570003","url":null,"abstract":"<p><b>Holographic Optical Elements</b>\u0000 </p><p>In article number 2400152, Jisoo Hong and co-workers present a holographic optical element (HOE) printer, which produces consistent shapes of hogels across various focal conditions, and aberration-corrected results by a printed HOE. The hogels, recorded by the interference of two beams, are printed sequentially with optimized gratings.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":7263,"journal":{"name":"Advanced Photonics Research","volume":"6 1","pages":""},"PeriodicalIF":3.7,"publicationDate":"2025-01-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/adpr.202570003","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143112201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Centrifugal Force Boosts Self-Assembly of Gradient Lattice Photonic Crystals
IF 3.7
Advanced Photonics Research Pub Date : 2024-12-13 DOI: 10.1002/adpr.202400129
Jingying Zhang, Xinye Wang, Yexiaotong Zhang, Jiaxing Yang, Xuelei Han
{"title":"Centrifugal Force Boosts Self-Assembly of Gradient Lattice Photonic Crystals","authors":"Jingying Zhang,&nbsp;Xinye Wang,&nbsp;Yexiaotong Zhang,&nbsp;Jiaxing Yang,&nbsp;Xuelei Han","doi":"10.1002/adpr.202400129","DOIUrl":"https://doi.org/10.1002/adpr.202400129","url":null,"abstract":"<p>Gradient photonic crystals, compared to traditional photonic crystals, possess broader photonic bandgaps and more flexible arrangement structures. This article proposes a centrifugal force-driven self-assembly method for controllable construction of gradient lattice photonic crystals. This method uses chemical synthesis to prepare size-controllable core–shell nanoparticles and applies centrifugal force to assist the arrangement of the nanoparticles in gradient lattice. Theoretical calculations indicate that the centrifugal potential energy distribution and the relative centrifugal force are proportional to the centrifugal speed and centrifugal radius. By controlling the centrifugal potential energy distribution of the prepared core–shell SiO<sub>2</sub>@Fe<sub>3</sub>O<sub>4</sub> nanoparticles in the centrifuge tube, a gradient lattice photonic crystal exhibiting a rainbow structural color from purple to red is obtained. The experimental results closely align with the theoretical predictions. The proposed approach to build gradient lattice photonic crystals has great application potential in the fields of optical switches, optimization of light extraction efficiency, and low-loss light transmission.</p>","PeriodicalId":7263,"journal":{"name":"Advanced Photonics Research","volume":"6 4","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/adpr.202400129","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143762253","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Is it Possible to Detect a Rotating Spherical Colloidal Particle? 有可能检测到旋转球形胶体粒子吗？
IF 3.7
Advanced Photonics Research Pub Date : 2024-12-06 DOI: 10.1002/adpr.202400098
Olivier Emile, Janine Emile
{"title":"Is it Possible to Detect a Rotating Spherical Colloidal Particle?","authors":"Olivier Emile,&nbsp;Janine Emile","doi":"10.1002/adpr.202400098","DOIUrl":"https://doi.org/10.1002/adpr.202400098","url":null,"abstract":"<p>A single micrometer-size spherical colloid has been set in rotation by transfer of light orbital angular momentum. This particle is floating at an air–water interface. Steady-state rotational frequencies of the order of one hertz have been observed, depending on the topological charge of the beam and on its power, in agreement with expected values. The detection is performed using the rotational Doppler shift of the diffused light. Two time constants have been evidenced in the rotational velocity dynamics. The first one is related to the friction of the colloid with the fluid (air and water), whereas the other one is principally associated with the wall friction of the air–liquid interface with the container. This measurement technique makes it possible to identify dynamic parameters of the rotational movement of any spherical object, which is usually impossible to detect.</p>","PeriodicalId":7263,"journal":{"name":"Advanced Photonics Research","volume":"6 2","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/adpr.202400098","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143186514","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High-Resolution Optical Convolutional Neural Networks Using Phase-Change Material-Based Microring Hybrid Waveguides 基于相变材料微环混合波导的高分辨率光学卷积神经网络
IF 3.7
Advanced Photonics Research Pub Date : 2024-12-05 DOI: 10.1002/adpr.202470033
Shuguang Zhu, Zhengyang Zhang, Weiwei Tang, Leijun Xu, Li Han, Jie Hong, Yiming Yu, Ziying Li, Qinghua Qin, Changlong Liu, Libo Zhang, Songyuan Ding, Jiale He, Guanhai Li, Xiaoshuang Chen
{"title":"High-Resolution Optical Convolutional Neural Networks Using Phase-Change Material-Based Microring Hybrid Waveguides","authors":"Shuguang Zhu,&nbsp;Zhengyang Zhang,&nbsp;Weiwei Tang,&nbsp;Leijun Xu,&nbsp;Li Han,&nbsp;Jie Hong,&nbsp;Yiming Yu,&nbsp;Ziying Li,&nbsp;Qinghua Qin,&nbsp;Changlong Liu,&nbsp;Libo Zhang,&nbsp;Songyuan Ding,&nbsp;Jiale He,&nbsp;Guanhai Li,&nbsp;Xiaoshuang Chen","doi":"10.1002/adpr.202470033","DOIUrl":"https://doi.org/10.1002/adpr.202470033","url":null,"abstract":"<p><b>Optical Convolutional Neural Networks</b>\u0000 </p><p>In article number 2400108, Weiwei Tan, Jiale He, Guanhai Li, Xiaoshuang Chen, and co-workers propose an optical neural network that leverages GST-based microring waveguides for on-chip computing, offering 64 levels of transmission contrast with 6-bit resolution. It achieves high accuracy in image edge detection and recognition with potential for large-scale photonic neural networks.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":7263,"journal":{"name":"Advanced Photonics Research","volume":"5 12","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/adpr.202470033","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142860377","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
InAs Terahertz Metalens Emitter for Focused Terahertz Beam Generation 聚焦太赫兹光束产生的InAs太赫兹超透镜发射器
IF 3.7
Advanced Photonics Research Pub Date : 2024-12-05 DOI: 10.1002/adpr.202470035
Hyunseung Jung, Igal Brener, Sadhvikas J. Addamane, Ting Shan Luk, C. Thomas Harris, Ganapathi Subramania, Oleg Mitrofanov
{"title":"InAs Terahertz Metalens Emitter for Focused Terahertz Beam Generation","authors":"Hyunseung Jung,&nbsp;Igal Brener,&nbsp;Sadhvikas J. Addamane,&nbsp;Ting Shan Luk,&nbsp;C. Thomas Harris,&nbsp;Ganapathi Subramania,&nbsp;Oleg Mitrofanov","doi":"10.1002/adpr.202470035","DOIUrl":"https://doi.org/10.1002/adpr.202470035","url":null,"abstract":"<p><b>Metalens THz Emitter</b>\u0000 </p><p>In article number 2400125, Hyunseung Jung, Oleg Mitrofanov, and co-workers present a metalens for achieving focused terahertz (THz) beam generation using InAs nanoscale resonators. This metalens enables binary-phase THz pulse generation under ultrafast near-IR pump excitation, paving the way for a flexible and compact THz generation platform for applications in imaging, spectroscopy and communications.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":7263,"journal":{"name":"Advanced Photonics Research","volume":"5 12","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/adpr.202470035","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142860378","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Shining Lights on Limits: Optimizing Luminescent Solar Concentrators for Solar Windows
IF 3.7
Advanced Photonics Research Pub Date : 2024-11-29 DOI: 10.1002/adpr.202400068
Thomas A. de Bruin, Wilfried G. J. H. M. van Sark
{"title":"Shining Lights on Limits: Optimizing Luminescent Solar Concentrators for Solar Windows","authors":"Thomas A. de Bruin,&nbsp;Wilfried G. J. H. M. van Sark","doi":"10.1002/adpr.202400068","DOIUrl":"https://doi.org/10.1002/adpr.202400068","url":null,"abstract":"<p>The luminescent solar concentrator (LSC) can function as an electricity-generating window whose performance is hindered by an inherent trade-off between power conversion efficiency and visible light transmission. To optimize this trade-off, a numerical algorithm is used to find the power conversion efficiency of 92 luminophores, ensuring an average visible transmission &gt;55% and a color rendering index &gt;70. Furthermore, double- and triple-stacked LSC configurations and single LSCs with two- or three-embedded luminophores are optimized. All tested LSC configurations are found to be limited to a power conversion efficiency of around 1% for window-appropriate transparencies.</p>","PeriodicalId":7263,"journal":{"name":"Advanced Photonics Research","volume":"6 1","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/adpr.202400068","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143120546","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hybrid Plasmonic-GeTe Active Metasurfaces with High Tunability
IF 3.7
Advanced Photonics Research Pub Date : 2024-11-26 DOI: 10.1002/adpr.202400132
Hyeonggyun Kim, Xiu Liu, Zexiao Wang, Xinyi Fang, Gianluca Piazza, Sheng Shen
{"title":"Hybrid Plasmonic-GeTe Active Metasurfaces with High Tunability","authors":"Hyeonggyun Kim,&nbsp;Xiu Liu,&nbsp;Zexiao Wang,&nbsp;Xinyi Fang,&nbsp;Gianluca Piazza,&nbsp;Sheng Shen","doi":"10.1002/adpr.202400132","DOIUrl":"https://doi.org/10.1002/adpr.202400132","url":null,"abstract":"<p>A novel hybrid plasmonic-germanium telluride (GeTe) metasurface design, which demonstrates single-peak on/off tunability across a spectral range of 2.5–7.5 μm is developed. Unlike previous metasurface designs utilizing GeTe layers as spacers, this study integrates GeTe as part of the meta-atoms with gold (Au), significantly reducing the amount of GeTe required while achieving substantial on/off contrast. By varying the sizes of the meta-atoms, different resonant wavelengths are achieved. This work represents a significant advancement in chalcogenide-based active metasurfaces, providing precise and dynamic control over thermal emission properties.</p>","PeriodicalId":7263,"journal":{"name":"Advanced Photonics Research","volume":"6 4","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/adpr.202400132","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143762342","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimized Hybrid Probabilistic and Geometric Constellation Shaping for Coherent Optical Communication Systems Using End-to-End Learning 利用端到端学习为相干光通信系统优化混合概率和几何星座整形
IF 3.7
Advanced Photonics Research Pub Date : 2024-11-26 DOI: 10.1002/adpr.202400123
Zhiyang Liu, Lu Zhang, Xiaoyu Liu, Shilin Xiao, Weiying Yang, Weisheng Hu
{"title":"Optimized Hybrid Probabilistic and Geometric Constellation Shaping for Coherent Optical Communication Systems Using End-to-End Learning","authors":"Zhiyang Liu,&nbsp;Lu Zhang,&nbsp;Xiaoyu Liu,&nbsp;Shilin Xiao,&nbsp;Weiying Yang,&nbsp;Weisheng Hu","doi":"10.1002/adpr.202400123","DOIUrl":"https://doi.org/10.1002/adpr.202400123","url":null,"abstract":"<p>To meet the growing demand for enhanced performance in coherent optical communication systems, increasing spectral efficiency and system capacity through constellation shaping is crucial. In this article, the end-to-end optimization of hybrid probabilistic and geometric constellation shaping (HPGS) under a Wiener phase noise channel is explored, enhanced by carrier phase estimation. By employing a differentiable two-stage blind phase search algorithm integrated within digital signal processing (DSP) and utilizing gradient descent-based back-propagation, the approach ensures higher spectral efficiencies. Herein, the proposed method surpasses geometrically shaped 64QAM (QAM—quadrature amplitude modulation) by 0.082 bit per symbol in generalized mutual information at a 350 kHz linewidth. Additionally, the adaptivity of HPGS to higher-order QAM formats, including 128QAM and 256QAM, is investigated, demonstrating significant performance gains. This research provides a cost-effective solution for joint systematic optimization in optical communication systems, leveraging the differentiable channel model and receiver DSP.</p>","PeriodicalId":7263,"journal":{"name":"Advanced Photonics Research","volume":"6 4","pages":""},"PeriodicalIF":3.7,"publicationDate":"2024-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/adpr.202400123","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143762343","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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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