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International Photonics and OptoElectronics Meeting 2019 (OFDA, OEDI, ISST, PE, LST, TSA)最新文献

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All-optical phase-preserving amplitude regeneration of highorder modulated signals based on Mach-Zehnder interferometers 基于Mach-Zehnder干涉仪的高阶调制信号全光保相振幅再生
International Photonics and OptoElectronics Meeting 2019 (OFDA, OEDI, ISST, PE, LST, TSA) Pub Date : 2019-11-11 DOI: 10.1364/isst.2019.jw4a.11
B. Guo, Baojian Wu, F. Wen, K. Qiu
{"title":"All-optical phase-preserving amplitude regeneration of highorder modulated signals based on Mach-Zehnder interferometers","authors":"B. Guo, Baojian Wu, F. Wen, K. Qiu","doi":"10.1364/isst.2019.jw4a.11","DOIUrl":"https://doi.org/10.1364/isst.2019.jw4a.11","url":null,"abstract":"We propose a phase-preserving multilevel amplitude regeneration scheme based on Mach-Zehnder interferometers. For geometrically shaped 16-QAM signals, the EVM performance is improved by 2.5dB and consequently the higher SNR tolerance is achieved for regenerative links.","PeriodicalId":198755,"journal":{"name":"International Photonics and OptoElectronics Meeting 2019 (OFDA, OEDI, ISST, PE, LST, TSA)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121537410","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Asymmetric light transmission through bilayer complementary gratings 通过双层互补光栅的不对称光传输
International Photonics and OptoElectronics Meeting 2019 (OFDA, OEDI, ISST, PE, LST, TSA) Pub Date : 2019-11-11 DOI: 10.1364/isst.2019.jw4a.70
Shuang Li, Chunfa Ba, Min Guo, Lirong Huang
{"title":"Asymmetric light transmission through bilayer complementary gratings","authors":"Shuang Li, Chunfa Ba, Min Guo, Lirong Huang","doi":"10.1364/isst.2019.jw4a.70","DOIUrl":"https://doi.org/10.1364/isst.2019.jw4a.70","url":null,"abstract":"We propose an asymmetric transmission (AT) device consisting of a pair of coupled complementary subwavelength gratings. Asymmetric dielectric environment and near-field coupling effect are employed to realize high-performance AT with large forward transmittance of 0.96 at 1250 nm.","PeriodicalId":198755,"journal":{"name":"International Photonics and OptoElectronics Meeting 2019 (OFDA, OEDI, ISST, PE, LST, TSA)","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124365048","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Directional bending sensor based on asymmetrical multicore fiber Mach–Zehnder interferometer 基于非对称多芯光纤马赫-曾德尔干涉仪的定向弯曲传感器
International Photonics and OptoElectronics Meeting 2019 (OFDA, OEDI, ISST, PE, LST, TSA) Pub Date : 2019-11-11 DOI: 10.1364/isst.2019.jw4a.4
Weijuan Chen, Hanqing Lin, Zhihao Chen, Hui Li
{"title":"Directional bending sensor based on asymmetrical multicore fiber Mach–Zehnder interferometer","authors":"Weijuan Chen, Hanqing Lin, Zhihao Chen, Hui Li","doi":"10.1364/isst.2019.jw4a.4","DOIUrl":"https://doi.org/10.1364/isst.2019.jw4a.4","url":null,"abstract":"A fiber sensor based on asymmetrical multi-core fiber is proposed and experimentally demonstrated for directional bending. By analyzing the transmission spectra, the directional bending measurement is realized.","PeriodicalId":198755,"journal":{"name":"International Photonics and OptoElectronics Meeting 2019 (OFDA, OEDI, ISST, PE, LST, TSA)","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124506949","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Generating terahertz perfect optical vortex beams via 3D printed diffractive phase elements 通过3D打印衍射相位元件产生太赫兹完美光学涡旋光束
International Photonics and OptoElectronics Meeting 2019 (OFDA, OEDI, ISST, PE, LST, TSA) Pub Date : 2019-11-11 DOI: 10.1364/isst.2019.jw4a.61
Yongqiang Yang, Kejia Wang, Xi Ye, Feidi Xiang, Chengwu You, Zhengang Yang, Jinsong Liu
{"title":"Generating terahertz perfect optical vortex beams via 3D printed diffractive phase elements","authors":"Yongqiang Yang, Kejia Wang, Xi Ye, Feidi Xiang, Chengwu You, Zhengang Yang, Jinsong Liu","doi":"10.1364/isst.2019.jw4a.61","DOIUrl":"https://doi.org/10.1364/isst.2019.jw4a.61","url":null,"abstract":"We generated the terahertz perfect optical vortex beams through Fourier transformation of a Bessel beam via 3D printed diffractive phase elements. The ring radius of generated beams is independent of its topological charge.","PeriodicalId":198755,"journal":{"name":"International Photonics and OptoElectronics Meeting 2019 (OFDA, OEDI, ISST, PE, LST, TSA)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127635127","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design of Symmetric Directional Coupler Based on Phase Change Material 基于相变材料的对称定向耦合器设计
International Photonics and OptoElectronics Meeting 2019 (OFDA, OEDI, ISST, PE, LST, TSA) Pub Date : 2019-11-11 DOI: 10.1364/isst.2019.jw4a.87
Changming Yang, Zhenrong Zhang, Yu Yu
{"title":"Design of Symmetric Directional Coupler Based on Phase Change Material","authors":"Changming Yang, Zhenrong Zhang, Yu Yu","doi":"10.1364/isst.2019.jw4a.87","DOIUrl":"https://doi.org/10.1364/isst.2019.jw4a.87","url":null,"abstract":"We realize a design of high fabrication tolerance symmetric directional coupler by utilizing characteristics of the phase change material. The simulation shows that the transmittances of the two output ports of the directional coupler can be optimized to 0.476 and 0.477, respectively.","PeriodicalId":198755,"journal":{"name":"International Photonics and OptoElectronics Meeting 2019 (OFDA, OEDI, ISST, PE, LST, TSA)","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126445664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
New Discovery of Superlattice Inside the Perovskite Solar Cell 钙钛矿太阳能电池内部超晶格的新发现
International Photonics and OptoElectronics Meeting 2019 (OFDA, OEDI, ISST, PE, LST, TSA) Pub Date : 2019-11-11 DOI: 10.1364/pfe.2019.pth4b.1
S. Uchida
{"title":"New Discovery of Superlattice Inside the Perovskite Solar Cell","authors":"S. Uchida","doi":"10.1364/pfe.2019.pth4b.1","DOIUrl":"https://doi.org/10.1364/pfe.2019.pth4b.1","url":null,"abstract":"The micro-structural observation analysis of the perovskite layer with high resolution TEM is the most promising approach to understand the crystal structure. Recently we newly revealed that the tetragonal and cubic phases coexist at room temperature in the conventional MAPbI3 thin film device. Furthermore superlattices composed of these mixture of tetragonal and cubic planes without any compositional change was also found.","PeriodicalId":198755,"journal":{"name":"International Photonics and OptoElectronics Meeting 2019 (OFDA, OEDI, ISST, PE, LST, TSA)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128097060","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Voltage-controlled Terahertz Phase Shifter with Functional Nanowhiskers and Graphene as Transparent Electrodes 以纳米晶须和石墨烯为透明电极的电压控制太赫兹移相器
International Photonics and OptoElectronics Meeting 2019 (OFDA, OEDI, ISST, PE, LST, TSA) Pub Date : 2019-11-11 DOI: 10.1364/isst.2019.jw4a.44
Chan-Shan Yang, Chung-Chiu Kuo, C. Pan
{"title":"Voltage-controlled Terahertz Phase Shifter with Functional Nanowhiskers and Graphene as Transparent Electrodes","authors":"Chan-Shan Yang, Chung-Chiu Kuo, C. Pan","doi":"10.1364/isst.2019.jw4a.44","DOIUrl":"https://doi.org/10.1364/isst.2019.jw4a.44","url":null,"abstract":"Phase shift exceeding 2π at 1.0 THz with high transmittance was achieved in liquid-crystal THz phase shifters of three different designs. Indium-tin-oxide nanowhiskers and graphene were employed as transparent electrodes. The driving voltage required for a 2π wave plate is as low as 5 Vrms.","PeriodicalId":198755,"journal":{"name":"International Photonics and OptoElectronics Meeting 2019 (OFDA, OEDI, ISST, PE, LST, TSA)","volume":"208 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134125563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Photon-induced reversible phase transition in CsPbBr3 perovskite CsPbBr3钙钛矿的光子诱导可逆相变
International Photonics and OptoElectronics Meeting 2019 (OFDA, OEDI, ISST, PE, LST, TSA) Pub Date : 2019-11-11 DOI: 10.1364/isst.2019.jw4a.24
J. Xue, Xiaobao Xu
{"title":"Photon-induced reversible phase transition in CsPbBr3 perovskite","authors":"J. Xue, Xiaobao Xu","doi":"10.1364/isst.2019.jw4a.24","DOIUrl":"https://doi.org/10.1364/isst.2019.jw4a.24","url":null,"abstract":"We firstly report using above-bandgap illumination with small energy threshold (1.6 mWcm-2) triggering phase transition from orthorhombic to tetragonal in CsPbBr3. This photon-induced structure reorganization is reversible and presents a fast and controllable response (<0.5 s) to light on/off.","PeriodicalId":198755,"journal":{"name":"International Photonics and OptoElectronics Meeting 2019 (OFDA, OEDI, ISST, PE, LST, TSA)","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133655832","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Preparation of Centimeter-scale MoS2 thin films by pulsed laser-induced synthesis and simultaneous doping of noble metals(Au, Pt, Pd) 脉冲激光诱导合成并同时掺杂贵金属(Au, Pt, Pd)制备厘米级MoS2薄膜
International Photonics and OptoElectronics Meeting 2019 (OFDA, OEDI, ISST, PE, LST, TSA) Pub Date : 2019-11-11 DOI: 10.1364/isst.2019.jw4a.77
Hu Yishuo, Zeng Xiangbin
{"title":"Preparation of Centimeter-scale MoS2 thin films by pulsed laser-induced synthesis and simultaneous doping of noble metals(Au, Pt, Pd)","authors":"Hu Yishuo, Zeng Xiangbin","doi":"10.1364/isst.2019.jw4a.77","DOIUrl":"https://doi.org/10.1364/isst.2019.jw4a.77","url":null,"abstract":"This study describes a quick synthesis (5-10 min) of Centimeter-scale MoS2 thin films on Si/SiO2 substrates by a novel pulsed laser irradiation method. Meanwhile, simultaneous doping of noble metal (Au, Pt, Pd) can be realized through this method.","PeriodicalId":198755,"journal":{"name":"International Photonics and OptoElectronics Meeting 2019 (OFDA, OEDI, ISST, PE, LST, TSA)","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126582804","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparison of two agglomerated particle simulation models for extinction performance calculation of bioaerosol 两种聚团粒子模拟模型在生物气溶胶消光性能计算中的比较
International Photonics and OptoElectronics Meeting 2019 (OFDA, OEDI, ISST, PE, LST, TSA) Pub Date : 2019-11-11 DOI: 10.1364/isst.2019.jw4a.25
Xinyu Wang, Yihua Hu, Youlin Gu, Xinying Zhao, Xi Chen
{"title":"Comparison of two agglomerated particle simulation models for extinction performance calculation of bioaerosol","authors":"Xinyu Wang, Yihua Hu, Youlin Gu, Xinying Zhao, Xi Chen","doi":"10.1364/isst.2019.jw4a.25","DOIUrl":"https://doi.org/10.1364/isst.2019.jw4a.25","url":null,"abstract":"Porosity of the bioaerosol agglomerated particle has impacts on its extinction performance. Cluster–cluster aggregation model and ballistic cluster-cluster aggregation model are two models to simulate the spatial structure for extinction performance calculation. However, the particles simulated by them show quite different porosity distribution.","PeriodicalId":198755,"journal":{"name":"International Photonics and OptoElectronics Meeting 2019 (OFDA, OEDI, ISST, PE, LST, TSA)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129932698","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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