Bo Zhou, Xianmin Guo, Xinsong Feng, Fei Gao, Ying Li, Hongsheng Chen, Zuojia Wang
{"title":"Complex‐Frequency Selective Resonances in Disordered Time‐Varying Cavities","authors":"Bo Zhou, Xianmin Guo, Xinsong Feng, Fei Gao, Ying Li, Hongsheng Chen, Zuojia Wang","doi":"10.1002/lpor.202501228","DOIUrl":"https://doi.org/10.1002/lpor.202501228","url":null,"abstract":"A mechanism is proposed for achieving unique ‐space resonance modes in 1D time‐varying cavities where periodic temporal modulation generates momentum bandgaps through Floquet dynamics. By engineering the synergy between cavity resonance conditions and Floquet mode in photonic time crystals, the emergence of a single dominant momentum state that exhibits remarkable robustness against temporal disorder is demonstrated. It is demonstrated that Floquet dynamics in periodically time‐varying media induces the amplification of specific spatial mode components within the initial Gaussian pulse wave. Concurrently, the multiple wave splitting caused by periodically time‐varying media gives rise to resonances, which in turn necessitate the discretization of ‐space modes, ultimately forming a single resonant mode—a standing wave. Considering the behavior of all supported eigenmodes—standing waves in time‐varying cavities—as parametric resonators, this phenomenon is also explained from the perspective of parametric resonance. Since the wave splitting always occurs simultaneously, the excited resonant mode intrinsically exhibits immunity to temporal disorder. This mechanism is also present in the circuit model of the designed time‐varying transmission line. These findings provide a method for exploiting momentum bandgaps of limited width in time‐varying systems, opening new opportunities for photonic systems with enhanced temporal coherence.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"118 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145077311","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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}
{"title":"RGB Achromatic Metalens for Neural Network-Enhanced High Resolution Digital Imaging (Laser Photonics Rev. 19(18)/2025)","authors":"Pengshuai Zhang, Liheng Yan, Haowen Liang, Jianchao Zhang, Juntao Li, Xue-Hua Wang","doi":"10.1002/lpor.70358","DOIUrl":"10.1002/lpor.70358","url":null,"abstract":"<p><b>Neural Network-Enhanced Imaging with an RGB-Achromatic Metalens</b></p><p>The cover illustrates a spatially multiplexed RGB achromatic metalens and its neural network-enhanced imaging process, in which electron beam lithography is reimagined as a construction site assembling nanoscale antennas. More details can be found in Research Article e00460 by Haowen Liang, Jianchao Zhang, Juntao Li and co-workers.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"19 18","pages":""},"PeriodicalIF":10.0,"publicationDate":"2025-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/lpor.70358","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145077309","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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}
Alessandro di Tria, Gabriele Cavicchioli, Pietro Giannoccaro, Francesco Morichetti, Andrea Melloni, Giorgio Ferrari, Marco Sampietro, Francesco Zanetto
{"title":"High-Precision Automated Setting of Arbitrary Magnitude and Phase of Mach–Zehnder Interferometers for Scalable Optical Computing","authors":"Alessandro di Tria, Gabriele Cavicchioli, Pietro Giannoccaro, Francesco Morichetti, Andrea Melloni, Giorgio Ferrari, Marco Sampietro, Francesco Zanetto","doi":"10.1002/lpor.202500610","DOIUrl":"https://doi.org/10.1002/lpor.202500610","url":null,"abstract":"","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"35 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145068511","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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}
Hanbo Zhu, Ziyan Jia, Tianyu Liu, Qin Xiong, Yibin Lai, Yang (Michael) Yang
{"title":"Simultaneous Enhancement of Narrowband Detection and Suppression of Dark Current in Organic Near-Infrared Photodetectors via Second-Order Resonant Microcavity","authors":"Hanbo Zhu, Ziyan Jia, Tianyu Liu, Qin Xiong, Yibin Lai, Yang (Michael) Yang","doi":"10.1002/lpor.202501187","DOIUrl":"https://doi.org/10.1002/lpor.202501187","url":null,"abstract":"","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"93 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145068514","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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}
Yin Zhou, Zhengdong Chen, Jialuo Cheng, Qican Zhang, Zihan Geng, Zhoujie Wu, Mu Ku Chen
{"title":"High-Resolution 3D Imaging with Tunable Point Cloud Projection Based on Meta-Device","authors":"Yin Zhou, Zhengdong Chen, Jialuo Cheng, Qican Zhang, Zihan Geng, Zhoujie Wu, Mu Ku Chen","doi":"10.1002/lpor.202501327","DOIUrl":"https://doi.org/10.1002/lpor.202501327","url":null,"abstract":"","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"35 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145068538","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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}