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- [41] Ultrafast saturable absorption dynamics in hybrid graphene/Si3N4 waveguidesAPL PHOTONICS, 2019, 4 (07)Demongodin, Pierre论文数: 0 引用数: 0 h-index: 0机构: Univ Lyon, INL, Ecole Cent Lyon, UMR 5270, F-69134 Ecully, France Univ Lyon, INL, Ecole Cent Lyon, UMR 5270, F-69134 Ecully, FranceEl Dirani, Houssein论文数: 0 引用数: 0 h-index: 0机构: Univ Grenoble Alpes, CEA, LETI, Minatec,Opt & Photon Div, 17 Rue Martyrs, F-38054 Grenoble, France Univ Lyon, INL, Ecole Cent Lyon, UMR 5270, F-69134 Ecully, France论文数: 引用数: h-index:机构:论文数: 引用数: h-index:机构:Kemiche, Malik论文数: 0 引用数: 0 h-index: 0机构: Univ Lyon, INL, Ecole Cent Lyon, UMR 5270, F-69134 Ecully, France Univ Lyon, INL, Ecole Cent Lyon, UMR 5270, F-69134 Ecully, FranceWood, Thomas论文数: 0 引用数: 0 h-index: 0机构: Univ Lyon, INL, Ecole Cent Lyon, UMR 5270, F-69134 Ecully, France Univ Lyon, INL, Ecole Cent Lyon, UMR 5270, F-69134 Ecully, FranceCallard, Segolene论文数: 0 引用数: 0 h-index: 0机构: Univ Lyon, INL, Ecole Cent Lyon, UMR 5270, F-69134 Ecully, France Univ Lyon, INL, Ecole Cent Lyon, UMR 5270, F-69134 Ecully, FranceRojo-Romeo, Pedro论文数: 0 引用数: 0 h-index: 0机构: Univ Lyon, INL, Ecole Cent Lyon, UMR 5270, F-69134 Ecully, France Univ Lyon, INL, Ecole Cent Lyon, UMR 5270, F-69134 Ecully, FranceSciancalepore, Corrado论文数: 0 引用数: 0 h-index: 0机构: Univ Grenoble Alpes, CEA, LETI, Minatec,Opt & Photon Div, 17 Rue Martyrs, F-38054 Grenoble, France Univ Lyon, INL, Ecole Cent Lyon, UMR 5270, F-69134 Ecully, FranceGrillet, Christian论文数: 0 引用数: 0 h-index: 0机构: Univ Lyon, INL, Ecole Cent Lyon, UMR 5270, F-69134 Ecully, France Univ Lyon, INL, Ecole Cent Lyon, UMR 5270, F-69134 Ecully, France论文数: 引用数: h-index:机构:
- [42] All-Fiber Micro-Ring Resonator Based p-Si/n-ITO Heterojunction Electro-Optic ModulatorMATERIALS, 2025, 18 (02)Zhu, Yihan论文数: 0 引用数: 0 h-index: 0机构: Shenzhen Univ, Coll Phys & Optoelect Engn, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Interdisciplinary Ctr High Magnet Field Phys,Inst, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Phys & Optoelect Engn, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Interdisciplinary Ctr High Magnet Field Phys,Inst, Shenzhen 518060, Peoples R ChinaWang, Ziqian论文数: 0 引用数: 0 h-index: 0机构: Shenzhen Univ, Coll Phys & Optoelect Engn, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Interdisciplinary Ctr High Magnet Field Phys,Inst, Shenzhen 518060, Peoples R China Macau Univ Sci & Technol, Sch Comp Sci & Engn, Macau 999077, Peoples R China Shenzhen Univ, Coll Phys & Optoelect Engn, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Interdisciplinary Ctr High Magnet Field Phys,Inst, Shenzhen 518060, Peoples R ChinaChen, Xing论文数: 0 引用数: 0 h-index: 0机构: Chengdu Technol Univ, Sch Elect Engn, Chengdu 611730, Peoples R China Shenzhen Univ, Coll Phys & Optoelect Engn, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Interdisciplinary Ctr High Magnet Field Phys,Inst, Shenzhen 518060, Peoples R ChinaZhu, Honghai论文数: 0 引用数: 0 h-index: 0机构: Shenzhen Univ, Coll Phys & Optoelect Engn, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Interdisciplinary Ctr High Magnet Field Phys,Inst, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Phys & Optoelect Engn, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Interdisciplinary Ctr High Magnet Field Phys,Inst, Shenzhen 518060, Peoples R ChinaZhou, Lizhuo论文数: 0 引用数: 0 h-index: 0机构: Shenzhen Univ, Coll Phys & Optoelect Engn, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Interdisciplinary Ctr High Magnet Field Phys,Inst, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Phys & Optoelect Engn, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Interdisciplinary Ctr High Magnet Field Phys,Inst, Shenzhen 518060, Peoples R ChinaZhou, Yujie论文数: 0 引用数: 0 h-index: 0机构: Shenzhen Univ, Coll Phys & Optoelect Engn, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Interdisciplinary Ctr High Magnet Field Phys,Inst, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Phys & Optoelect Engn, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Interdisciplinary Ctr High Magnet Field Phys,Inst, Shenzhen 518060, Peoples R ChinaLiu, Yi论文数: 0 引用数: 0 h-index: 0机构: Shenzhen Univ, Coll Phys & Optoelect Engn, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Interdisciplinary Ctr High Magnet Field Phys,Inst, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Phys & Optoelect Engn, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Interdisciplinary Ctr High Magnet Field Phys,Inst, Shenzhen 518060, Peoples R ChinaZhang, Yule论文数: 0 引用数: 0 h-index: 0机构: Shenzhen Univ, Coll Phys & Optoelect Engn, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Interdisciplinary Ctr High Magnet Field Phys,Inst, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Phys & Optoelect Engn, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Interdisciplinary Ctr High Magnet Field Phys,Inst, Shenzhen 518060, Peoples R ChinaTian, Xilin论文数: 0 引用数: 0 h-index: 0机构: Shenzhen Univ, Coll Phys & Optoelect Engn, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Interdisciplinary Ctr High Magnet Field Phys,Inst, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Phys & Optoelect Engn, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Interdisciplinary Ctr High Magnet Field Phys,Inst, Shenzhen 518060, Peoples R ChinaSun, Shuo论文数: 0 引用数: 0 h-index: 0机构: Shenzhen Univ, Coll Phys & Optoelect Engn, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Interdisciplinary Ctr High Magnet Field Phys,Inst, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Phys & Optoelect Engn, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Interdisciplinary Ctr High Magnet Field Phys,Inst, Shenzhen 518060, Peoples R ChinaLi, Jianqing论文数: 0 引用数: 0 h-index: 0机构: Macau Univ Sci & Technol, Sch Comp Sci & Engn, Macau 999077, Peoples R China Shenzhen Univ, Coll Phys & Optoelect Engn, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Interdisciplinary Ctr High Magnet Field Phys,Inst, Shenzhen 518060, Peoples R ChinaJiang, Ke论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, State Key Lab Luminescence & Applicat, Changchun 130033, Peoples R China Shenzhen Univ, Coll Phys & Optoelect Engn, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Interdisciplinary Ctr High Magnet Field Phys,Inst, Shenzhen 518060, Peoples R ChinaZhang, Han论文数: 0 引用数: 0 h-index: 0机构: Shenzhen Univ, Coll Phys & Optoelect Engn, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Interdisciplinary Ctr High Magnet Field Phys,Inst, Shenzhen 518060, Peoples R China Hangzhou Normal Univ, Coll Mat Chem & Chem Engn, Key Lab Organosilicon Chem & Mat Technol, Minist Educ, Hangzhou 311121, Peoples R China Shenzhen Univ, Coll Phys & Optoelect Engn, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Interdisciplinary Ctr High Magnet Field Phys,Inst, Shenzhen 518060, Peoples R ChinaWang, Huide论文数: 0 引用数: 0 h-index: 0机构: Shenzhen Univ, Coll Phys & Optoelect Engn, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Interdisciplinary Ctr High Magnet Field Phys,Inst, Shenzhen 518060, Peoples R China Shenzhen Univ, Coll Phys & Optoelect Engn, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Interdisciplinary Ctr High Magnet Field Phys,Inst, Shenzhen 518060, Peoples R China
- [43] Electrochemical Properties of Nitride Phases in the Si3N4–Ca3N2and Si3N4–AlN–Ca3N2SystemsInorganic Materials, 2001, 37 : 684 - 687S. F. Pal'guev论文数: 0 引用数: 0 h-index: 0机构: Russian Academy of Sciences,Institute of HighR. P. Lesunova论文数: 0 引用数: 0 h-index: 0机构: Russian Academy of Sciences,Institute of HighE. I. Burmakin论文数: 0 引用数: 0 h-index: 0机构: Russian Academy of Sciences,Institute of HighE. S. Korovenkova论文数: 0 引用数: 0 h-index: 0机构: Russian Academy of Sciences,Institute of High
- [44] Investigation of Si and Ge growth on Si3N4/SiMATERIALS CHARACTERIZATION, 2002, 48 (2-3) : 189 - 194Wang, L论文数: 0 引用数: 0 h-index: 0机构: Hong Kong Univ Sci & Technol, Dept Phys, Kowloon, Hong Kong, Peoples R ChinaWang, XS论文数: 0 引用数: 0 h-index: 0机构: Hong Kong Univ Sci & Technol, Dept Phys, Kowloon, Hong Kong, Peoples R China Hong Kong Univ Sci & Technol, Dept Phys, Kowloon, Hong Kong, Peoples R ChinaTang, JC论文数: 0 引用数: 0 h-index: 0机构: Hong Kong Univ Sci & Technol, Dept Phys, Kowloon, Hong Kong, Peoples R ChinaCue, N论文数: 0 引用数: 0 h-index: 0机构: Hong Kong Univ Sci & Technol, Dept Phys, Kowloon, Hong Kong, Peoples R China
- [45] IN-SITU PROCESSED SI3N4 WHISKERS IN THE SYSTEM BARIUM ALUMINOSILICATE-SI3N4MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 1995, 195 (1-2): : 197 - 205FREITAG, DW论文数: 0 引用数: 0 h-index: 0机构: LORAL VOUGHT SYST,DALLAS,TX 75265 LORAL VOUGHT SYST,DALLAS,TX 75265
- [46] Revealing intrinsic electro-optic effect in single domain Pb(Zr, Ti)O3 thin filmsAPPLIED PHYSICS LETTERS, 2021, 119 (10)论文数: 引用数: h-index:机构:论文数: 引用数: h-index:机构:论文数: 引用数: h-index:机构:论文数: 引用数: h-index:机构:论文数: 引用数: h-index:机构:论文数: 引用数: h-index:机构:
- [47] Enhanced Electro-Optic Coefficients in Single-Crystalline BaTiO3 Thin Films Enabled by Domain AlignmentADVANCED OPTICAL MATERIALS, 2024, 12 (15)Wen, Yiyang论文数: 0 引用数: 0 h-index: 0机构: Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R China Nankai Univ, Tianjin Key Lab Microscale Opt Informat Sci & Tech, Tianjin 300071, Peoples R China Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R ChinaCao, Yilin论文数: 0 引用数: 0 h-index: 0机构: Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China Beijing Univ Posts & Telecommun, Sch Sci, Beijing 100876, Peoples R China Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R ChinaChen, Haisheng论文数: 0 引用数: 0 h-index: 0机构: Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R China Nankai Univ, Tianjin Key Lab Microscale Opt Informat Sci & Tech, Tianjin 300071, Peoples R China Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R ChinaDu, Xiaona论文数: 0 引用数: 0 h-index: 0机构: Nankai Univ, Inst Photoelect Thin Film Devices & Technol, Coll Elect Informat & Opt Engn, Tianjin 300350, Peoples R China Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R ChinaGuo, Jiaxing论文数: 0 引用数: 0 h-index: 0机构: Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R China Nankai Univ, Tianjin Key Lab Microscale Opt Informat Sci & Tech, Tianjin 300071, Peoples R China Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R ChinaShen, Jiaying论文数: 0 引用数: 0 h-index: 0机构: Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China Beijing Univ Posts & Telecommun, Sch Sci, Beijing 100876, Peoples R China Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R ChinaZhang, Fan论文数: 0 引用数: 0 h-index: 0机构: Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China Beijing Univ Posts & Telecommun, Sch Sci, Beijing 100876, Peoples R China Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R ChinaBian, Taiyu论文数: 0 引用数: 0 h-index: 0机构: Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R China Nankai Univ, Tianjin Key Lab Microscale Opt Informat Sci & Tech, Tianjin 300071, Peoples R China Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R ChinaAn, Yu论文数: 0 引用数: 0 h-index: 0机构: Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R China Nankai Univ, Tianjin Key Lab Microscale Opt Informat Sci & Tech, Tianjin 300071, Peoples R China Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R ChinaRen, Hongda论文数: 0 引用数: 0 h-index: 0机构: Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R China Nankai Univ, Tianjin Key Lab Microscale Opt Informat Sci & Tech, Tianjin 300071, Peoples R China Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R ChinaWu, Zhenping论文数: 0 引用数: 0 h-index: 0机构: Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China Beijing Univ Posts & Telecommun, Sch Sci, Beijing 100876, Peoples R China Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R ChinaLiu, Weiwei论文数: 0 引用数: 0 h-index: 0机构: Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R China Nankai Univ, Tianjin Key Lab Microscale Opt Informat Sci & Tech, Tianjin 300071, Peoples R China Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R ChinaZhang, Yang论文数: 0 引用数: 0 h-index: 0机构: Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R China Nankai Univ, Tianjin Key Lab Microscale Opt Informat Sci & Tech, Tianjin 300071, Peoples R China Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R China
- [48] Guided-wave electro-optic characterization of BaTiO3 thin films using the prism coupling techniqueOPTICS LETTERS, 2013, 38 (07) : 1037 - 1039Leroy, Floriane论文数: 0 引用数: 0 h-index: 0机构: CNRS, UMR 8520, IEMN, F-59652 Villeneuve Dascq, France CNRS, UMR 8520, IEMN, F-59652 Villeneuve Dascq, FranceRousseau, Anthony论文数: 0 引用数: 0 h-index: 0机构: CNRS, ICMCB, F-33608 Pessac, France CNRS, UMR 8520, IEMN, F-59652 Villeneuve Dascq, FrancePayan, Sandrine论文数: 0 引用数: 0 h-index: 0机构: CNRS, ICMCB, F-33608 Pessac, France CNRS, UMR 8520, IEMN, F-59652 Villeneuve Dascq, FranceDogheche, Elhadj论文数: 0 引用数: 0 h-index: 0机构: CNRS, UMR 8520, IEMN, F-59652 Villeneuve Dascq, France CNRS, UMR 8520, IEMN, F-59652 Villeneuve Dascq, FranceJenkins, David论文数: 0 引用数: 0 h-index: 0机构: Univ Plymouth, Plymouth PL4 8AA, Devon, England CNRS, UMR 8520, IEMN, F-59652 Villeneuve Dascq, FranceDecoster, Didier论文数: 0 引用数: 0 h-index: 0机构: CNRS, UMR 8520, IEMN, F-59652 Villeneuve Dascq, France CNRS, UMR 8520, IEMN, F-59652 Villeneuve Dascq, FranceMaglione, Mario论文数: 0 引用数: 0 h-index: 0机构: CNRS, ICMCB, F-33608 Pessac, France CNRS, UMR 8520, IEMN, F-59652 Villeneuve Dascq, France
- [49] Plasmonic Stripes in Aqueous Environment Co-Integrated With Si3N4 PhotonicsIEEE PHOTONICS JOURNAL, 2018, 10 (01):Dabos, George论文数: 0 引用数: 0 h-index: 0机构: Aristotle Univ Thessaloniki, Ctr Interdisciplinary Res & Innovat, Dept Informat, Thessaloniki 57001, Greece Aristotle Univ Thessaloniki, Ctr Interdisciplinary Res & Innovat, Dept Informat, Thessaloniki 57001, GreeceKetzaki, Dimitra论文数: 0 引用数: 0 h-index: 0机构: Aristotle Univ Thessaloniki, Ctr Interdisciplinary Res & Innovat, Dept Informat, Thessaloniki 57001, Greece Aristotle Univ Thessaloniki, Ctr Interdisciplinary Res & Innovat, Dept Informat, Thessaloniki 57001, GreeceManolis, Athanasios论文数: 0 引用数: 0 h-index: 0机构: Aristotle Univ Thessaloniki, Ctr Interdisciplinary Res & Innovat, Dept Informat, Thessaloniki 57001, Greece Aristotle Univ Thessaloniki, Ctr Interdisciplinary Res & Innovat, Dept Informat, Thessaloniki 57001, GreeceMarkey, Laurent论文数: 0 引用数: 0 h-index: 0机构: Univ Bourgogne, CNRS, Lab Interdisciplinaire Carnot Bourgogne, UMR 6303, F-21078 Dijon, France Aristotle Univ Thessaloniki, Ctr Interdisciplinary Res & Innovat, Dept Informat, Thessaloniki 57001, GreeceWeeber, Jean Claude论文数: 0 引用数: 0 h-index: 0机构: Univ Bourgogne, CNRS, Lab Interdisciplinaire Carnot Bourgogne, UMR 6303, F-21078 Dijon, France Aristotle Univ Thessaloniki, Ctr Interdisciplinary Res & Innovat, Dept Informat, Thessaloniki 57001, GreeceDereux, Alain论文数: 0 引用数: 0 h-index: 0机构: Univ Bourgogne, CNRS, Lab Interdisciplinaire Carnot Bourgogne, UMR 6303, F-21078 Dijon, France Aristotle Univ Thessaloniki, Ctr Interdisciplinary Res & Innovat, Dept Informat, Thessaloniki 57001, GreeceGiesecke, Anna Lena论文数: 0 引用数: 0 h-index: 0机构: AMO GmbH, Adv Microelect Ctr Aachen, D-52074 Aachen, Germany Aristotle Univ Thessaloniki, Ctr Interdisciplinary Res & Innovat, Dept Informat, Thessaloniki 57001, GreecePorschatis, Caroline论文数: 0 引用数: 0 h-index: 0机构: AMO GmbH, Adv Microelect Ctr Aachen, D-52074 Aachen, Germany Aristotle Univ Thessaloniki, Ctr Interdisciplinary Res & Innovat, Dept Informat, Thessaloniki 57001, GreeceChmielak, Bartos论文数: 0 引用数: 0 h-index: 0机构: AMO GmbH, Adv Microelect Ctr Aachen, D-52074 Aachen, Germany Aristotle Univ Thessaloniki, Ctr Interdisciplinary Res & Innovat, Dept Informat, Thessaloniki 57001, GreeceTsiokos, Dimitris论文数: 0 引用数: 0 h-index: 0机构: Aristotle Univ Thessaloniki, Ctr Interdisciplinary Res & Innovat, Dept Informat, Thessaloniki 57001, Greece Aristotle Univ Thessaloniki, Ctr Interdisciplinary Res & Innovat, Dept Informat, Thessaloniki 57001, GreecePleros, Nikos论文数: 0 引用数: 0 h-index: 0机构: Aristotle Univ Thessaloniki, Ctr Interdisciplinary Res & Innovat, Dept Informat, Thessaloniki 57001, Greece Aristotle Univ Thessaloniki, Ctr Interdisciplinary Res & Innovat, Dept Informat, Thessaloniki 57001, Greece
- [50] Integrated waveguide coupled Si3N4 resonators in the ultrahigh-Q regimeOPTICA, 2014, 1 (03): : 153 - 157Spencer, Daryl T.论文数: 0 引用数: 0 h-index: 0机构: Univ Calif Santa Barbara, Dept Elect & Comp Engn, Santa Barbara, CA 93106 USA Univ Calif Santa Barbara, Dept Elect & Comp Engn, Santa Barbara, CA 93106 USABauters, Jared F.论文数: 0 引用数: 0 h-index: 0机构: Aurrion Inc, Goleta, CA 93117 USA Univ Calif Santa Barbara, Dept Elect & Comp Engn, Santa Barbara, CA 93106 USAHeck, Martijn J. R.论文数: 0 引用数: 0 h-index: 0机构: Aarhus Univ, Dept Engn, DK-8000 Aarhus C, Denmark Univ Calif Santa Barbara, Dept Elect & Comp Engn, Santa Barbara, CA 93106 USABowers, John E.论文数: 0 引用数: 0 h-index: 0机构: Univ Calif Santa Barbara, Dept Elect & Comp Engn, Santa Barbara, CA 93106 USA Univ Calif Santa Barbara, Dept Elect & Comp Engn, Santa Barbara, CA 93106 USA