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IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-03-01 Epub Date: 2026-06-10 DOI: 10.1109/LPT.2026.3698288
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引用次数: 0
O-Band TO Optical Switch Based on Silica Platform 基于二氧化硅平台的o波段TO光开关
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-02-27 DOI: 10.1109/LPT.2026.3669087
Minghui Zhou;Yuexin Yin;Guoyan Zeng;Xinru Xu;Daming Zhang
{"title":"O-Band TO Optical Switch Based on Silica Platform","authors":"Minghui Zhou;Yuexin Yin;Guoyan Zeng;Xinru Xu;Daming Zhang","doi":"10.1109/LPT.2026.3669087","DOIUrl":"https://doi.org/10.1109/LPT.2026.3669087","url":null,"abstract":"Optical switch plays an important role in the modern optical communication. In this letter, we demonstrate an O band <inline-formula> <tex-math>$8times 8$ </tex-math></inline-formula> switch array based on 2% <inline-formula> <tex-math>$Delta $ </tex-math></inline-formula> silica platform. The <inline-formula> <tex-math>$8times 8$ </tex-math></inline-formula> switch array is designed with BENES topology having 20 balanced Mach–Zehnder interferometer based switch elements. At 1310 nm, the switch shows good performance. The on-chip loss is lower than 1.18 dB and the crosstalk is better than −16.32 dB. The rise time (10%-90%) and fall time (90%-10%) of the switch are both 1.3 ms at 1310 nm. The transmission experiments of 10 Gbps on-off keying are successfully realized.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"38 11","pages":"743-746"},"PeriodicalIF":2.5,"publicationDate":"2026-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147362310","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Particle Manipulation Based on Multiple Optical Potential Wells Using Optical Fiber Tweezers 基于光纤镊子的多光势阱粒子操纵
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-02-23 DOI: 10.1109/LPT.2026.3666869
Kai Zhang;Hongwei Li;Youxing Li;Tingting Yuan;Xiaotong Zhang;Libo Yuan
{"title":"Particle Manipulation Based on Multiple Optical Potential Wells Using Optical Fiber Tweezers","authors":"Kai Zhang;Hongwei Li;Youxing Li;Tingting Yuan;Xiaotong Zhang;Libo Yuan","doi":"10.1109/LPT.2026.3666869","DOIUrl":"https://doi.org/10.1109/LPT.2026.3666869","url":null,"abstract":"We have constructed an integrated optical fiber tweezers (OFTs) platform based on double-core fibers (DCF) and Coreless fiber (CF), which is designed for trapping multiple particles. In this configuration, the DCF-guided LP01 mode generates two mirror-symmetric Bessel-like beams within the CF. These beams form multiple independent optical potential well arrays at the end face of the CF. Using this OTFs, we successfully achieved stable trapping of three yeast cells. Furthermore, through precise optical power control, we demonstrated the trapping and dynamic rearrangement of three yeast cells.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"38 11","pages":"723-726"},"PeriodicalIF":2.5,"publicationDate":"2026-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147299658","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Reconfigurable All-Fiber Femtosecond Source With Low Jitter and Programmable Pulse Picking 具有低抖动和可编程脉冲采集的可重构全光纤飞秒源
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-02-23 DOI: 10.1109/LPT.2026.3666897
Hui Liu;Xinze Rao;Tian Zhang;Jian Dai;Kun Xu
{"title":"A Reconfigurable All-Fiber Femtosecond Source With Low Jitter and Programmable Pulse Picking","authors":"Hui Liu;Xinze Rao;Tian Zhang;Jian Dai;Kun Xu","doi":"10.1109/LPT.2026.3666897","DOIUrl":"https://doi.org/10.1109/LPT.2026.3666897","url":null,"abstract":"We demonstrate a reconfigurable all-fiber femtosecond source with tunable repetition rates from 100 MHz to 1 GHz. The system establishes a rigid 1 GHz time grid via a dispersion-managed passive interleaver, followed by self-synchronized steep-edge electro-optic gating (rise time <40 ps) to temporally decouple switching noise from the signal. This architecture achieves arbitrary pulse picking with single-pulse granularity while experimentally preserving the seed’s intrinsic stability. Hybrid phase noise measurements confirm an integrated RMS timing jitter below 10 fs [1 kHz–1 MHz] and a 38.4 dB extinction ratio. This versatile platform provides oscillator-limited timing fidelity for arbitrary pulse patterns, offering a robust tool for precision-driven applications such as high-speed sampling systems and time-resolved biological imaging.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"38 11","pages":"775-778"},"PeriodicalIF":2.5,"publicationDate":"2026-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147440689","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Hybrid Neural-Evolutionary Design Framework of All-Dielectric Magnetic-Toroidal Fano Metasurfaces 全介电磁-环形范诺超表面的混合神经进化设计框架
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-02-23 DOI: 10.1109/LPT.2026.3666808
Kai Li;Zhang Chen;Renjing Xu;Renjie Wang
{"title":"A Hybrid Neural-Evolutionary Design Framework of All-Dielectric Magnetic-Toroidal Fano Metasurfaces","authors":"Kai Li;Zhang Chen;Renjing Xu;Renjie Wang","doi":"10.1109/LPT.2026.3666808","DOIUrl":"https://doi.org/10.1109/LPT.2026.3666808","url":null,"abstract":"The design of nanophotonic devices (e.g., metasurfaces) is computationally demanding due to time-consuming electromagnetic simulations. Here, we propose an end-to-end bidirectional design framework integrating a deep learning surrogate model with differential evolution algorithm for all-dielectric metasurfaces exhibiting Fano resonance. Firstly, a multipole decomposition analysis is conducted to reveal the dominance of magnetic dipole and toroidal dipole at the resonance wavelengths, elucidating potential physical mechanisms. Then, a surrogate model trained with finite-difference time-domain (FDTD) data achieves millisecond-level reflectance spectrum prediction with 4.46% average error (99.55% similarity to FDTD), achieving a 38,<inline-formula> <tex-math>$000times $ </tex-math></inline-formula> speedup. Finally, integrated with differential evolution algorithm, it enables inverse design of user-defined spectral features within 10 seconds. This work will promote the design and optimization of high-dimensional parameters, accelerate the inverse design of complex metasurfaces, and reduce trial-and-error costs.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"38 11","pages":"735-738"},"PeriodicalIF":2.5,"publicationDate":"2026-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147362305","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An Ultra-Compact Rectangular Filter Featuring Optimized Local Edge Steepness 一种具有优化局部边缘陡度的超紧凑矩形滤波器
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-02-23 DOI: 10.1109/LPT.2026.3667083
Shasha Liao;Wenjia Xie;Xingchen Fan
{"title":"An Ultra-Compact Rectangular Filter Featuring Optimized Local Edge Steepness","authors":"Shasha Liao;Wenjia Xie;Xingchen Fan","doi":"10.1109/LPT.2026.3667083","DOIUrl":"https://doi.org/10.1109/LPT.2026.3667083","url":null,"abstract":"Rectangular filters are widely employed in diverse fields, including communications, sensing, and healthcare. We propose and demonstrate an ultra-compact rectangular filter with high shape factor tunable local edge steepness. By utilizing a single microring resonator embedded with a slot, the slot-induced reflection of optical signals enables the rectangular filtering response. The filter occupies a core area of less than <inline-formula> <tex-math>$900~mu $ </tex-math></inline-formula>m2 and achieves a shape factor (SF, 10-dB bandwidth/3-dB bandwidth) of 1.59. By thermal tuning the heaters in the filter, the local edge steepness near the 10-dB, 15-dB, and 20-dB bandwidths becomes adjustable. Our filter combines advantages such as compact footprint, remarkable SF, and fabrication simplicity. Moreover, its controllable edge steepness offers unique potential for applications in mid-infrared gas absorption spectroscopy, medical imaging, and laser ranging.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"38 11","pages":"719-722"},"PeriodicalIF":2.5,"publicationDate":"2026-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147299661","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sensitivity-Enhanced Refractometer Based on Periodic Chirped Waveguide Broadening 基于周期性啁啾波导展宽的灵敏度增强折射计
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-02-19 DOI: 10.1109/LPT.2026.3666343
Qianfei Zhu;Xiao Li;Tian Tian;Ze Yu;Dongqing Zhao;Yiwei Ma;Yongtian Zhu;Tao Geng
{"title":"Sensitivity-Enhanced Refractometer Based on Periodic Chirped Waveguide Broadening","authors":"Qianfei Zhu;Xiao Li;Tian Tian;Ze Yu;Dongqing Zhao;Yiwei Ma;Yongtian Zhu;Tao Geng","doi":"10.1109/LPT.2026.3666343","DOIUrl":"https://doi.org/10.1109/LPT.2026.3666343","url":null,"abstract":"This letter presents a refractive index (RI) fiber sensor based on chirped waveguide broadening by expanding and shrinking the core diameter of multi-mode fibers (MMFs) in the no-core fibers (NCFs). Embedding of MMFs with different core diameter in the NCF enables redistributed optical power from the fundamental core mode to cladding modes, thereby efficiently exciting cladding modes. The experimental results show that in the RI range of 1.33 to 1.42, the sensitivities of Dip A (1450 nm), Dip B (1550 nm), and Dip C (1650 nm) are 568.56 nm/RIU, 851.29 nm/RIU, and 580.91 nm/RIU, respectively. The proposed sensor has the characteristics of high mechanical strength and low temperature crosstalk. It is expected to be used in the fields of environmental monitoring and concentration identification, etc.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"38 11","pages":"763-766"},"PeriodicalIF":2.5,"publicationDate":"2026-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147440686","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multi-Dimensional Dual-Frequency Physical Layer Cross-Domain Fusion Secure Distribution Scheme 多维双频物理层跨域融合安全分发方案
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-02-19 DOI: 10.1109/LPT.2026.3666161
Xiantao Yang;Bo Liu;Jianxin Ren;Yaya Mao;Qing Zhong;Zhiruo Guo;Shuaidong Chen;Xiumin Song;Pengfei Tian;Na Li;Rahat Ullah;Feng Wang
{"title":"Multi-Dimensional Dual-Frequency Physical Layer Cross-Domain Fusion Secure Distribution Scheme","authors":"Xiantao Yang;Bo Liu;Jianxin Ren;Yaya Mao;Qing Zhong;Zhiruo Guo;Shuaidong Chen;Xiumin Song;Pengfei Tian;Na Li;Rahat Ullah;Feng Wang","doi":"10.1109/LPT.2026.3666161","DOIUrl":"https://doi.org/10.1109/LPT.2026.3666161","url":null,"abstract":"In this letter, a multi-dimensional dual-frequency physical layer cross-domain fusion secure distribution scheme is proposed. The scheme achieves physical isolation by using different frequencies to transmit encrypted data and key data within the W-band. The encrypted data is modulated using 16 quadrature amplitude modulation (QAM) to ensure information capacity, while the key is modulated using quadrature phase shift keying (QPSK) and interpolated to ensure reliable transmission. The overall system supports a data transmission rate of 20 Gb/s. Experimental results demonstrate that the encrypted data and the key can be transmitted and received simultaneously without crosstalk between them. This scheme can effectively prevent against brute attacks with the expanded key space of <inline-formula> <tex-math>$10^{119}$ </tex-math></inline-formula>, the bit error rate (BER) of the illegal user is above 0.4, while leveraging the W-band high-speed, high-capacity transmission to enhance communication system efficiency and performance, thereby enabling the development of secure communication.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"38 11","pages":"739-742"},"PeriodicalIF":2.5,"publicationDate":"2026-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147362337","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Simultaneous Optical Pulse Repetition-Rate Division and Multiplication via the Talbot Effect 通过塔尔博特效应的同时光脉冲重复率分割和乘法
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-02-19 DOI: 10.1109/LPT.2026.3666163
Yanrong Zhai;Zhanbo Zhou;Jiaqi Xiang;Yanjia Hu;Shuna Yang;Hao Chi;Bo Yang
{"title":"Simultaneous Optical Pulse Repetition-Rate Division and Multiplication via the Talbot Effect","authors":"Yanrong Zhai;Zhanbo Zhou;Jiaqi Xiang;Yanjia Hu;Shuna Yang;Hao Chi;Bo Yang","doi":"10.1109/LPT.2026.3666163","DOIUrl":"https://doi.org/10.1109/LPT.2026.3666163","url":null,"abstract":"We propose and experimentally demonstrate a simultaneous optical pulse repetition-rate division and multiplication scheme based on the Talbot effect. By employing two dispersion media under identical phase modulation conditions, optical pulse repetition-rate division and multiplication are realized through inverse Talbot effect and fractional Talbot effect, respectively. The division and multiplication factors can be dynamically tuned by adjusting the phase modulation parameters while preserving the dispersion conditions. A proof-of-concept experiment demonstrates simultaneous repetition-rate division and multiplication with a factor of 3, whereas numerical simulations confirm the feasibility of higher repetition-rate division and multiplication factors.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"38 11","pages":"759-762"},"PeriodicalIF":2.5,"publicationDate":"2026-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147362309","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Polymer-Based Thermo-Optic Switchable Mode Converter for Reconfigurable Optical Networks 可重构光网络中基于聚合物的热光可切换模式转换器
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-02-19 DOI: 10.1109/LPT.2026.3666247
Areez Khalil Memon;Faisal Khan;Muhammad Talha Khan
{"title":"Polymer-Based Thermo-Optic Switchable Mode Converter for Reconfigurable Optical Networks","authors":"Areez Khalil Memon;Faisal Khan;Muhammad Talha Khan","doi":"10.1109/LPT.2026.3666247","DOIUrl":"https://doi.org/10.1109/LPT.2026.3666247","url":null,"abstract":"We experimentally demonstrate a compact thermo-optic (TO) switchable mode converter (MC) based on a planar light-wave circuit (PLC) platform using polymer materials for rotation of the <inline-formula> <tex-math>$LP_{11a}$ </tex-math></inline-formula> to <inline-formula> <tex-math>$LP_{11b}$ </tex-math></inline-formula> mode. The fabricated device consists of a three-mode straight waveguide with a heater integrated atop a waveguide. The experimental results show switchable mode conversion for the transverse electric (TE) and transverse magnetic (TM) polarizations in a wavelength range of 1540–1560 nm. The power applied for the complete mode rotation was 80.1 mW (<inline-formula> <tex-math>$LP_{11a}$ </tex-math></inline-formula> to <inline-formula> <tex-math>$LP_{11b}$ </tex-math></inline-formula>) and 83.8 mW (<inline-formula> <tex-math>$LP_{11b}$ </tex-math></inline-formula> to <inline-formula> <tex-math>$LP_{11a}$ </tex-math></inline-formula>). The output near-field patterns verify the conversion mechanism and effectiveness. This device is a promising component for reconfigurable mode-division multiplexed systems.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"38 11","pages":"707-710"},"PeriodicalIF":2.5,"publicationDate":"2026-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147280891","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","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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