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- [1] Ultra-Low Loss Lithium Niobate PhotonicsGuangxue Xuebao/Acta Optica Sinica, 2021, 41 (08):Qiao, Lingling论文数: 0 引用数: 0 h-index: 0机构: State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai,201800, China State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai,201800, ChinaWang, Min论文数: 0 引用数: 0 h-index: 0机构: Extreme Optoelectromechanics Laboratory, School of Physics and Electronic Science, East China Normal University, Shanghai,200241, China State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai,201800, ChinaWu, Rongbo论文数: 0 引用数: 0 h-index: 0机构: State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai,201800, China University of Chinese Academy of Sciences, Beijing,100049, China State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai,201800, ChinaFang, Zhiwei论文数: 0 引用数: 0 h-index: 0机构: Extreme Optoelectromechanics Laboratory, School of Physics and Electronic Science, East China Normal University, Shanghai,200241, China State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai,201800, ChinaLin, Jintian论文数: 0 引用数: 0 h-index: 0机构: State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai,201800, China State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai,201800, ChinaChu, Wei论文数: 0 引用数: 0 h-index: 0机构: Extreme Optoelectromechanics Laboratory, School of Physics and Electronic Science, East China Normal University, Shanghai,200241, China State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai,201800, ChinaCheng, Ya论文数: 0 引用数: 0 h-index: 0机构: State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai,201800, China Extreme Optoelectromechanics Laboratory, School of Physics and Electronic Science, East China Normal University, Shanghai,200241, China State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai,201800, China
- [2] Ultra-Low Loss Lithium Niobate PhotonicsACTA OPTICA SINICA, 2021, 41 (08)Qiao Lingling论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R China Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R ChinaWang Min论文数: 0 引用数: 0 h-index: 0机构: East China Normal Univ, Sch Phys & Elect Sci, Extreme Optoelectromech Lab, Shanghai 200241, Peoples R China Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R ChinaWu Rongbo论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R China Univ Chinese Acad Sci, Beijing 100049, Peoples R China Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R ChinaFang Zhiwei论文数: 0 引用数: 0 h-index: 0机构: East China Normal Univ, Sch Phys & Elect Sci, Extreme Optoelectromech Lab, Shanghai 200241, Peoples R China Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R ChinaLin Jintian论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R China Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R ChinaChu Wei论文数: 0 引用数: 0 h-index: 0机构: East China Normal Univ, Sch Phys & Elect Sci, Extreme Optoelectromech Lab, Shanghai 200241, Peoples R China Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R ChinaCheng Ya论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R China East China Normal Univ, Sch Phys & Elect Sci, Extreme Optoelectromech Lab, Shanghai 200241, Peoples R China Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R China
- [3] Ultra-Low Loss Integrated Lithium Niobate Photonics in Visible Wavelengths2019 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO), 2019,Desiatov, Boris论文数: 0 引用数: 0 h-index: 0机构: Harvard Univ, John A Paulson Sch Engn & Appl Sci, Cambridge, MA 02138 USA Harvard Univ, John A Paulson Sch Engn & Appl Sci, Cambridge, MA 02138 USAShams-Ansari, Amirhassan论文数: 0 引用数: 0 h-index: 0机构: Harvard Univ, John A Paulson Sch Engn & Appl Sci, Cambridge, MA 02138 USA Harvard Univ, John A Paulson Sch Engn & Appl Sci, Cambridge, MA 02138 USAZhang, Mian论文数: 0 引用数: 0 h-index: 0机构: Harvard Univ, John A Paulson Sch Engn & Appl Sci, Cambridge, MA 02138 USA HyperLight Corp, 501 Massachusetts Ave, Cambridge, MA 02139 USA Harvard Univ, John A Paulson Sch Engn & Appl Sci, Cambridge, MA 02138 USAWang, Cheng论文数: 0 引用数: 0 h-index: 0机构: City Univ Hong Kong, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China Harvard Univ, John A Paulson Sch Engn & Appl Sci, Cambridge, MA 02138 USALoncar, Marko论文数: 0 引用数: 0 h-index: 0机构: Harvard Univ, John A Paulson Sch Engn & Appl Sci, Cambridge, MA 02138 USA Harvard Univ, John A Paulson Sch Engn & Appl Sci, Cambridge, MA 02138 USA
- [4] Ultra-low loss photonic circuits in lithium niobate on insulatorOPTICS EXPRESS, 2018, 26 (02): : 887 - 894Krasnokutska, Inna论文数: 0 引用数: 0 h-index: 0机构: RMIT Univ, Sch Engn, Quantum Photon Lab, Melbourne, Vic 3000, Australia RMIT Univ, Ctr Quantum Computat & Commun Technol, Sch Engn, Melbourne, Vic 3000, Australia RMIT Univ, Sch Engn, Quantum Photon Lab, Melbourne, Vic 3000, AustraliaTambasco, Jean-Luc J.论文数: 0 引用数: 0 h-index: 0机构: RMIT Univ, Sch Engn, Quantum Photon Lab, Melbourne, Vic 3000, Australia RMIT Univ, Ctr Quantum Computat & Commun Technol, Sch Engn, Melbourne, Vic 3000, Australia RMIT Univ, Sch Engn, Quantum Photon Lab, Melbourne, Vic 3000, AustraliaLi, Xijun论文数: 0 引用数: 0 h-index: 0机构: RMIT Univ, Sch Engn, Quantum Photon Lab, Melbourne, Vic 3000, Australia RMIT Univ, Ctr Quantum Computat & Commun Technol, Sch Engn, Melbourne, Vic 3000, Australia RMIT Univ, Sch Engn, Quantum Photon Lab, Melbourne, Vic 3000, AustraliaPeruzzo, Alberto论文数: 0 引用数: 0 h-index: 0机构: RMIT Univ, Sch Engn, Quantum Photon Lab, Melbourne, Vic 3000, Australia RMIT Univ, Ctr Quantum Computat & Commun Technol, Sch Engn, Melbourne, Vic 3000, Australia RMIT Univ, Sch Engn, Quantum Photon Lab, Melbourne, Vic 3000, Australia
- [5] Ultra-Low Loss Lithium Niobate Polarizer with Enhanced Anti Bound State in the ContinuumLASER & PHOTONICS REVIEWS, 2024, 18 (12)Liu, Weixi论文数: 0 引用数: 0 h-index: 0机构: Zhejiang Univ, Coll Opt Sci & Engn, Int Res Ctr Adv Photon, State Key Lab Extreme Photon Instrumentat,Ctr Opt, Zijingang Campus, Hangzhou 310058, Peoples R China Zhejiang Univ, Coll Opt Sci & Engn, Int Res Ctr Adv Photon, State Key Lab Extreme Photon Instrumentat,Ctr Opt, Zijingang Campus, Hangzhou 310058, Peoples R ChinaLi, Huan论文数: 0 引用数: 0 h-index: 0机构: Zhejiang Univ, Coll Opt Sci & Engn, Int Res Ctr Adv Photon, State Key Lab Extreme Photon Instrumentat,Ctr Opt, Zijingang Campus, Hangzhou 310058, Peoples R China Zhejiang Univ, Jiaxing Res Inst, Intelligent Opt & Photon Res Ctr, Jiaxing Key Lab Photon Sensing & Intelligent Imagi, Jiaxing 314000, Peoples R China Zhejiang Univ, Coll Opt Sci & Engn, Int Res Ctr Adv Photon, State Key Lab Extreme Photon Instrumentat,Ctr Opt, Zijingang Campus, Hangzhou 310058, Peoples R ChinaWen, Chengfeng论文数: 0 引用数: 0 h-index: 0机构: Zhejiang Univ, Coll Opt Sci & Engn, Int Res Ctr Adv Photon, State Key Lab Extreme Photon Instrumentat,Ctr Opt, Zijingang Campus, Hangzhou 310058, Peoples R China Zhejiang Univ, Coll Opt Sci & Engn, Int Res Ctr Adv Photon, State Key Lab Extreme Photon Instrumentat,Ctr Opt, Zijingang Campus, Hangzhou 310058, Peoples R ChinaZhao, Shi论文数: 0 引用数: 0 h-index: 0机构: Zhejiang Univ, Coll Opt Sci & Engn, Int Res Ctr Adv Photon, State Key Lab Extreme Photon Instrumentat,Ctr Opt, Zijingang Campus, Hangzhou 310058, Peoples R China Zhejiang Univ, Coll Opt Sci & Engn, Int Res Ctr Adv Photon, State Key Lab Extreme Photon Instrumentat,Ctr Opt, Zijingang Campus, Hangzhou 310058, Peoples R ChinaGuo, Zehao论文数: 0 引用数: 0 h-index: 0机构: Zhejiang Univ, Coll Opt Sci & Engn, Int Res Ctr Adv Photon, State Key Lab Extreme Photon Instrumentat,Ctr Opt, Zijingang Campus, Hangzhou 310058, Peoples R China Zhejiang Univ, Coll Opt Sci & Engn, Int Res Ctr Adv Photon, State Key Lab Extreme Photon Instrumentat,Ctr Opt, Zijingang Campus, Hangzhou 310058, Peoples R ChinaLi, Hanwen论文数: 0 引用数: 0 h-index: 0机构: Zhejiang Univ, Coll Opt Sci & Engn, Int Res Ctr Adv Photon, State Key Lab Extreme Photon Instrumentat,Ctr Opt, Zijingang Campus, Hangzhou 310058, Peoples R China Zhejiang Univ, Coll Opt Sci & Engn, Int Res Ctr Adv Photon, State Key Lab Extreme Photon Instrumentat,Ctr Opt, Zijingang Campus, Hangzhou 310058, Peoples R ChinaSong, Lijia论文数: 0 引用数: 0 h-index: 0机构: Zhejiang Univ, Coll Opt Sci & Engn, Int Res Ctr Adv Photon, State Key Lab Extreme Photon Instrumentat,Ctr Opt, Zijingang Campus, Hangzhou 310058, Peoples R China Zhejiang Univ, Coll Opt Sci & Engn, Int Res Ctr Adv Photon, State Key Lab Extreme Photon Instrumentat,Ctr Opt, Zijingang Campus, Hangzhou 310058, Peoples R ChinaYu, Zejie论文数: 0 引用数: 0 h-index: 0机构: Zhejiang Univ, Coll Opt Sci & Engn, Int Res Ctr Adv Photon, State Key Lab Extreme Photon Instrumentat,Ctr Opt, Zijingang Campus, Hangzhou 310058, Peoples R China Zhejiang Univ, Coll Opt Sci & Engn, Int Res Ctr Adv Photon, State Key Lab Extreme Photon Instrumentat,Ctr Opt, Zijingang Campus, Hangzhou 310058, Peoples R China论文数: 引用数: h-index:机构:Dai, Daoxin论文数: 0 引用数: 0 h-index: 0机构: Zhejiang Univ, Coll Opt Sci & Engn, Int Res Ctr Adv Photon, State Key Lab Extreme Photon Instrumentat,Ctr Opt, Zijingang Campus, Hangzhou 310058, Peoples R China Zhejiang Univ, Jiaxing Res Inst, Intelligent Opt & Photon Res Ctr, Jiaxing Key Lab Photon Sensing & Intelligent Imagi, Jiaxing 314000, Peoples R China Zhejiang Univ, Coll Opt Sci & Engn, Int Res Ctr Adv Photon, State Key Lab Extreme Photon Instrumentat,Ctr Opt, Zijingang Campus, Hangzhou 310058, Peoples R ChinaShi, Yaocheng论文数: 0 引用数: 0 h-index: 0机构: Zhejiang Univ, Coll Opt Sci & Engn, Int Res Ctr Adv Photon, State Key Lab Extreme Photon Instrumentat,Ctr Opt, Zijingang Campus, Hangzhou 310058, Peoples R China Zhejiang Univ, Jiaxing Res Inst, Intelligent Opt & Photon Res Ctr, Jiaxing Key Lab Photon Sensing & Intelligent Imagi, Jiaxing 314000, Peoples R China Zhejiang Univ, Coll Opt Sci & Engn, Int Res Ctr Adv Photon, State Key Lab Extreme Photon Instrumentat,Ctr Opt, Zijingang Campus, Hangzhou 310058, Peoples R China
- [6] Ultra-low loss waveguide platform in silicon photonicsSILICON PHOTONICS XVII, 2022, 12006Beraa, Arijit论文数: 0 引用数: 0 h-index: 0机构: VTT Tech Res Ctr Finland Ltd, Tietotie 3, Espoo 02150, Finland VTT Tech Res Ctr Finland Ltd, Tietotie 3, Espoo 02150, FinlandMarina, Yisbel论文数: 0 引用数: 0 h-index: 0机构: VTT Tech Res Ctr Finland Ltd, Tietotie 3, Espoo 02150, Finland VTT Tech Res Ctr Finland Ltd, Tietotie 3, Espoo 02150, FinlandHarjannea, Mikko论文数: 0 引用数: 0 h-index: 0机构: VTT Tech Res Ctr Finland Ltd, Tietotie 3, Espoo 02150, Finland VTT Tech Res Ctr Finland Ltd, Tietotie 3, Espoo 02150, FinlandCherchia, Matteo论文数: 0 引用数: 0 h-index: 0机构: VTT Tech Res Ctr Finland Ltd, Tietotie 3, Espoo 02150, Finland VTT Tech Res Ctr Finland Ltd, Tietotie 3, Espoo 02150, FinlandAalto, Timo论文数: 0 引用数: 0 h-index: 0机构: VTT Tech Res Ctr Finland Ltd, Tietotie 3, Espoo 02150, Finland VTT Tech Res Ctr Finland Ltd, Tietotie 3, Espoo 02150, Finland
- [7] Ultra-low-loss integrated visible photonics using thin-film lithium niobateOPTICA, 2019, 6 (03): : 380 - 384Desiatov, Boris论文数: 0 引用数: 0 h-index: 0机构: Harvard Univ, John A Paulson Sch Engn & Appl Sci, Cambridge, MA 02138 USA Harvard Univ, John A Paulson Sch Engn & Appl Sci, Cambridge, MA 02138 USAShams-Ansari, Amirhassan论文数: 0 引用数: 0 h-index: 0机构: Harvard Univ, John A Paulson Sch Engn & Appl Sci, Cambridge, MA 02138 USA Harvard Univ, John A Paulson Sch Engn & Appl Sci, Cambridge, MA 02138 USAZhang, Mian论文数: 0 引用数: 0 h-index: 0机构: Harvard Univ, John A Paulson Sch Engn & Appl Sci, Cambridge, MA 02138 USA HyperLight Corp, 501 Massachusetts Ave, Cambridge, MA 02139 USA Harvard Univ, John A Paulson Sch Engn & Appl Sci, Cambridge, MA 02138 USAWang, Cheng论文数: 0 引用数: 0 h-index: 0机构: City Univ Hong Kong, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China City Univ Hong Kong, State Key Lab THz & Millimeter Waves, Kowloon, Hong Kong, Peoples R China Harvard Univ, John A Paulson Sch Engn & Appl Sci, Cambridge, MA 02138 USALoncar, Marko论文数: 0 引用数: 0 h-index: 0机构: Harvard Univ, John A Paulson Sch Engn & Appl Sci, Cambridge, MA 02138 USA Harvard Univ, John A Paulson Sch Engn & Appl Sci, Cambridge, MA 02138 USA
- [8] Ultra-Low Loss Silicon Nitride Integrated Photonics: Nonlinear Photonics and Applications (Invited)ACTA OPTICA SINICA, 2024, 44 (15)Zheng Huamin论文数: 0 引用数: 0 h-index: 0机构: Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R China Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R ChinaYu Kunpeng论文数: 0 引用数: 0 h-index: 0机构: Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R China Univ Sci & Technol China, Hefei Natl Lab, Hefei 230088, Anhui, Peoples R China Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R ChinaLi Shichang论文数: 0 引用数: 0 h-index: 0机构: Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R China Southern Univ Sci & Technol, Inst Quantum Sci & Engn, Shenzhen 518055, Guangdong, Peoples R China Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R ChinaChen Ruiyang论文数: 0 引用数: 0 h-index: 0机构: Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R China Southern Univ Sci & Technol, Inst Quantum Sci & Engn, Shenzhen 518055, Guangdong, Peoples R China Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R ChinaWang Jiaxuan论文数: 0 引用数: 0 h-index: 0机构: Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R China Southern Univ Sci & Technol, Inst Quantum Sci & Engn, Shenzhen 518055, Guangdong, Peoples R China Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R ChinaChen Zhiyang论文数: 0 引用数: 0 h-index: 0机构: Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R China Southern Univ Sci & Technol, Inst Quantum Sci & Engn, Shenzhen 518055, Guangdong, Peoples R China Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R ChinaShi Baoqi论文数: 0 引用数: 0 h-index: 0机构: Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R China Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R ChinaWang Zhongkai论文数: 0 引用数: 0 h-index: 0机构: Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R China Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R ChinaLuo Yi-Han论文数: 0 引用数: 0 h-index: 0机构: Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R China Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R ChinaLong Jinbao论文数: 0 引用数: 0 h-index: 0机构: Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R China Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R ChinaSun Wei论文数: 0 引用数: 0 h-index: 0机构: Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R China Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R ChinaLiang Wei论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion, Suzhou 215123, Jiangsu, Peoples R China Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R ChinaBao Chengying论文数: 0 引用数: 0 h-index: 0机构: Tsinghua Univ, Beijing 100084, Peoples R China Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R ChinaGuo Hairun论文数: 0 引用数: 0 h-index: 0机构: Shanghai Univ, Shanghai 200444, Peoples R China Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R ChinaLiu Junqiu论文数: 0 引用数: 0 h-index: 0机构: Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R China Univ Sci & Technol China, Hefei Natl Lab, Hefei 230088, Anhui, Peoples R China Shenzhen Int Quantum Acad, Shenzhen 518048, Guangdong, Peoples R China
- [9] Ultra-low loss waveguide platform and its integration with silicon photonicsHeck, M.J.R. (mheck@eng.au.dk), 1600, Wiley-VCH Verlag (08):
- [10] Ultra-low loss waveguide platform and its integration with silicon photonicsLASER & PHOTONICS REVIEWS, 2014, 8 (05) : 667 - 686Heck, Martijn J. R.论文数: 0 引用数: 0 h-index: 0机构: Aarhus Univ, Dept Engn, DK-8200 Aarhus N, Denmark Aarhus Univ, Dept Engn, DK-8200 Aarhus N, DenmarkBauters, Jared F.论文数: 0 引用数: 0 h-index: 0机构: Aarhus Univ, Dept Engn, DK-8200 Aarhus N, DenmarkDavenport, Michael L.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 Aarhus Univ, Dept Engn, DK-8200 Aarhus N, DenmarkSpencer, 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 Aarhus Univ, Dept Engn, DK-8200 Aarhus N, DenmarkBowers, 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 Aarhus Univ, Dept Engn, DK-8200 Aarhus N, Denmark