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Planar Epsilon-Near-Zero Cavity for Nonreciprocity of Thermal Radiation Enhancement 平面ε-近零空腔实现热辐射增强的非对等性
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-08-12 DOI: 10.1109/LPT.2024.3442251
Liming Qian;Jingfei Ye;Shixin Pei;Gaige Zheng
{"title":"Planar Epsilon-Near-Zero Cavity for Nonreciprocity of Thermal Radiation Enhancement","authors":"Liming Qian;Jingfei Ye;Shixin Pei;Gaige Zheng","doi":"10.1109/LPT.2024.3442251","DOIUrl":"https://doi.org/10.1109/LPT.2024.3442251","url":null,"abstract":"Stacked epsilon-near-zero (ENZ)/insulator/ENZ nanocavity has recently emerged as a promising platform to study and engineer mid-infrared (MIR) absorption and emission, as they can be realized by lithography-free fabrication process with fine control on the optical and geometrical parameters. Using Weyl semimetal (WSM) thin film as nonreciprocal materials, we study the absorption, emission and nonreciprocity enhancement induced by a specifically tailored ENZ/WSM/ENZ structure. The nonreciprocity equals to 0.987 with a resonant wavelength of \u0000<inline-formula> <tex-math>$9~mu m$ </tex-math></inline-formula>\u0000, which confirms an obvious violation of Kirchhoff’s law. We also discuss the possibility of tailoring the magnitude and sign of nonreciprocity within the MIR spectrum simply by finely designing the thickness of each layer in the stack. The presented unpatterned configuration and broad tunability of high-quality resonance can work for a wide range of incidence angles, making such proposal with great potential for thermal scavenging and conversion.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":null,"pages":null},"PeriodicalIF":2.3,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142045198","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
Mechanophotonics: Pseudo-Plastic Organic Crystal as a Fermat Spiral Optical Waveguide 机械光子学：作为费马螺旋光波导的伪塑料有机晶体
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-08-12 DOI: 10.1109/LPT.2024.3441761
Melchi Chosenyah;Avulu Vinod Kumar;Rajadurai Chandrasekar
{"title":"Mechanophotonics: Pseudo-Plastic Organic Crystal as a Fermat Spiral Optical Waveguide","authors":"Melchi Chosenyah;Avulu Vinod Kumar;Rajadurai Chandrasekar","doi":"10.1109/LPT.2024.3441761","DOIUrl":"https://doi.org/10.1109/LPT.2024.3441761","url":null,"abstract":"An unprecedented organic Fermat spiral optical waveguide (FSOW) self-transducing green fluorescence is fabricated using a pseudo-plastic (E)−1-(((5-bromopyridin-2-yl)imino)methyl)naphthalene-2-ol (BPyIN) crystal. A 1.618-millimeter-long crystal is initially bent into a hairpin-like bent waveguide. Later, a meticulous mechanophotonic strategy is employed to sculpt the hairpin-like bent waveguide into the Fermat spiral geometry, covering a compact area of \u0000<inline-formula> <tex-math>$330times 238~mu $ </tex-math></inline-formula>\u0000m2. The optical signal in FSOW survives two sharp 180° turns to produce optical output. The remarkably low bending-induced optical loss in FSOW can be ascribed to the smooth-defect-free surface morphology of the crystal. The development of such versatile optical components capable of transducing light through sharp bends is pivotal for realizing large-scale all-organic photonic circuits.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":null,"pages":null},"PeriodicalIF":2.3,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142013326","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
Frequency Control in a Non-Hermitian Time-Floquet Resonator With Backscattering 带有反向散射的非赫米提时间-弗洛塞特谐振器的频率控制
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-08-09 DOI: 10.1109/LPT.2024.3441377
Awanish Pandey
{"title":"Frequency Control in a Non-Hermitian Time-Floquet Resonator With Backscattering","authors":"Awanish Pandey","doi":"10.1109/LPT.2024.3441377","DOIUrl":"10.1109/LPT.2024.3441377","url":null,"abstract":"I report atypical transmission characteristics of a micro cavity supporting two degenerate modes with their mode-coupling subjected to non-Hermitian modulation. Such non-Hermitian time-Floquet systems allow for effective optical energy exchange between different Floquet modes enabling its utilization as both a frequency shifter and a frequency beam splitter. Additionally, depending on the driving signal parameters, the modes can be amplified compensating for insertion loss. I provide a detailed analytical framework to model the time-varying cavity and optimize its parameters for efficient performance. The reported results and analysis are expected to be valuable for applications in quantum photonics and optical communication.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":null,"pages":null},"PeriodicalIF":2.3,"publicationDate":"2024-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141939748","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
Data-Driven Erbium-Doped Fiber Amplifier Gain Modeling Using Gaussian Process Regression 利用高斯过程回归进行数据驱动的掺铒光纤放大器增益建模
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-08-09 DOI: 10.1109/LPT.2024.3441110
Calum Harvey;Md. Saifuddin Faruk;Seb J. Savory
{"title":"Data-Driven Erbium-Doped Fiber Amplifier Gain Modeling Using Gaussian Process Regression","authors":"Calum Harvey;Md. Saifuddin Faruk;Seb J. Savory","doi":"10.1109/LPT.2024.3441110","DOIUrl":"10.1109/LPT.2024.3441110","url":null,"abstract":"We propose a data-driven erbium-doped fiber amplifier (EDFA) gain model utilizing Gaussian process regression (GPR). An additive Laplacian and radial-basis function kernel is proposed for the GPR and was found to outperform deep neural network (DNN) methods while additionally providing prediction uncertainty. Performance is measured using mean absolute error (MAE) averaged across five different EDFAs with three manufacturers. The GPR achieves an MAE of 0.1 dB using 30 training samples in contrast to the DNN that achieves an MAE of 0.25 dB using 3000 training samples. Additionally, we demonstrate that active learning can be used to improve robustness and repeatability of convergence.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":null,"pages":null},"PeriodicalIF":2.3,"publicationDate":"2024-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141939823","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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IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-08-02 DOI: 10.1109/LPT.2024.3425297
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引用次数: 0
IEEE Photonics Technology Letters Information for Authors IEEE Photonics Technology Letters 为作者提供的信息
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-08-02 DOI: 10.1109/LPT.2024.3425295
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引用次数: 0
IEEE Photonics Technology Letters publication information IEEE Photonics Technology Letters 出版信息
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-08-02 DOI: 10.1109/LPT.2024.3425291
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引用次数: 0
IEEE Photonics Technology Letters publication information IEEE Photonics Technology Letters 出版信息
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-08-01 DOI: 10.1109/LPT.2024.3425215
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引用次数: 0
IEEE Photonics Technology Letters Information for Authors IEEE Photonics Technology Letters 为作者提供的信息
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-08-01 DOI: 10.1109/LPT.2024.3425219
{"title":"IEEE Photonics Technology Letters Information for Authors","authors":"","doi":"10.1109/LPT.2024.3425219","DOIUrl":"10.1109/LPT.2024.3425219","url":null,"abstract":"","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":null,"pages":null},"PeriodicalIF":2.3,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10621973","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141883730","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Blank Page 空白页
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-08-01 DOI: 10.1109/LPT.2024.3425221
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引用次数: 0
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