共 50 条
- [1] On-chip generation of photon-triplet statesOPTICS EXPRESS, 2016, 24 (03): : 2836 - 2849Krapick, Stephan论文数: 0 引用数: 0 h-index: 0机构: Univ Paderborn, Appl Phys, Warhurger Str 100, D-33098 Paderborn, Germany Univ Paderborn, Appl Phys, Warhurger Str 100, D-33098 Paderborn, GermanyBrecht, Benjamin论文数: 0 引用数: 0 h-index: 0机构: Univ Paderborn, Appl Phys, Warhurger Str 100, D-33098 Paderborn, Germany Univ Paderborn, Appl Phys, Warhurger Str 100, D-33098 Paderborn, Germany论文数: 引用数: h-index:机构:Quiring, Viktor论文数: 0 引用数: 0 h-index: 0机构: Univ Paderborn, Appl Phys, Warhurger Str 100, D-33098 Paderborn, Germany Univ Paderborn, Appl Phys, Warhurger Str 100, D-33098 Paderborn, Germany论文数: 引用数: h-index:机构:
- [2] On-chip generation of heralded photon-number statesScientific Reports, 6Panagiotis Vergyris论文数: 0 引用数: 0 h-index: 0机构: Université Côte d’Azur,Department of Physics and AstronomyThomas Meany论文数: 0 引用数: 0 h-index: 0机构: Université Côte d’Azur,Department of Physics and AstronomyTommaso Lunghi论文数: 0 引用数: 0 h-index: 0机构: Université Côte d’Azur,Department of Physics and AstronomyGregory Sauder论文数: 0 引用数: 0 h-index: 0机构: Université Côte d’Azur,Department of Physics and AstronomyJames Downes论文数: 0 引用数: 0 h-index: 0机构: Université Côte d’Azur,Department of Physics and AstronomyM. J. Steel论文数: 0 引用数: 0 h-index: 0机构: Université Côte d’Azur,Department of Physics and AstronomyMichael J. Withford论文数: 0 引用数: 0 h-index: 0机构: Université Côte d’Azur,Department of Physics and AstronomyOlivier Alibart论文数: 0 引用数: 0 h-index: 0机构: Université Côte d’Azur,Department of Physics and AstronomySébastien Tanzilli论文数: 0 引用数: 0 h-index: 0机构: Université Côte d’Azur,Department of Physics and Astronomy
- [3] On-chip generation of heralded photon-number statesSCIENTIFIC REPORTS, 2016, 6Vergyris, Panagiotis论文数: 0 引用数: 0 h-index: 0机构: Univ Cote dAzur, CNRS, Lab Phys Matiere Condensee, Nice, France Univ Cote dAzur, CNRS, Lab Phys Matiere Condensee, Nice, FranceMeany, Thomas论文数: 0 引用数: 0 h-index: 0机构: Macquarie Univ, Ctr Ultrahigh Bandwidth Devices Opt Syst CUDOS, Dept Phys & Astron, MQ Photon Res Ctr, N Ryde, NSW 2109, Australia Univ Cote dAzur, CNRS, Lab Phys Matiere Condensee, Nice, FranceLunghi, Tommaso论文数: 0 引用数: 0 h-index: 0机构: Univ Cote dAzur, CNRS, Lab Phys Matiere Condensee, Nice, France Univ Cote dAzur, CNRS, Lab Phys Matiere Condensee, Nice, FranceSauder, Gregory论文数: 0 引用数: 0 h-index: 0机构: Univ Cote dAzur, CNRS, Lab Phys Matiere Condensee, Nice, France Univ Cote dAzur, CNRS, Lab Phys Matiere Condensee, Nice, FranceDownes, James论文数: 0 引用数: 0 h-index: 0机构: Macquarie Univ, Ctr Ultrahigh Bandwidth Devices Opt Syst CUDOS, Dept Phys & Astron, MQ Photon Res Ctr, N Ryde, NSW 2109, Australia Univ Cote dAzur, CNRS, Lab Phys Matiere Condensee, Nice, FranceSteel, M. J.论文数: 0 引用数: 0 h-index: 0机构: Macquarie Univ, Ctr Ultrahigh Bandwidth Devices Opt Syst CUDOS, Dept Phys & Astron, MQ Photon Res Ctr, N Ryde, NSW 2109, Australia Univ Cote dAzur, CNRS, Lab Phys Matiere Condensee, Nice, FranceWithford, Michael J.论文数: 0 引用数: 0 h-index: 0机构: Macquarie Univ, Ctr Ultrahigh Bandwidth Devices Opt Syst CUDOS, Dept Phys & Astron, MQ Photon Res Ctr, N Ryde, NSW 2109, Australia Univ Cote dAzur, CNRS, Lab Phys Matiere Condensee, Nice, FranceAlibart, Olivier论文数: 0 引用数: 0 h-index: 0机构: Univ Cote dAzur, CNRS, Lab Phys Matiere Condensee, Nice, France Univ Cote dAzur, CNRS, Lab Phys Matiere Condensee, Nice, FranceTanzilli, Sebastien论文数: 0 引用数: 0 h-index: 0机构: Univ Cote dAzur, CNRS, Lab Phys Matiere Condensee, Nice, France Univ Cote dAzur, CNRS, Lab Phys Matiere Condensee, Nice, France
- [4] On-chip generation and control of the vortex beamAPPLIED PHYSICS LETTERS, 2016, 108 (18)Liu, Aiping论文数: 0 引用数: 0 h-index: 0机构: Nanjing Univ Posts & Telecommun, Coll Telecommun & Informat Engn, Nanjing 210000, Jiangsu, Peoples R China Nanjing Univ Posts & Telecommun, Minist Educ, Key Lab Broadband Wireless Commun & Sensor Networ, Nanjing 210003, Jiangsu, Peoples R China Nanjing Univ Posts & Telecommun, Coll Telecommun & Informat Engn, Nanjing 210000, Jiangsu, Peoples R ChinaZou, Chang-Ling论文数: 0 引用数: 0 h-index: 0机构: Univ Sci & Technol China, CAS, Key Lab Quantum Informat, Hefei 230026, Anhui, Peoples R China Univ Sci & Technol China, Synerget Innovat Ctr Quantum Informat & Quantum P, Hefei 230026, Anhui, Peoples R China Yale Univ, Dept Elect Engn, New Haven, CT 06511 USA Nanjing Univ Posts & Telecommun, Coll Telecommun & Informat Engn, Nanjing 210000, Jiangsu, Peoples R ChinaRen, Xifeng论文数: 0 引用数: 0 h-index: 0机构: Univ Sci & Technol China, CAS, Key Lab Quantum Informat, Hefei 230026, Anhui, Peoples R China Univ Sci & Technol China, Synerget Innovat Ctr Quantum Informat & Quantum P, Hefei 230026, Anhui, Peoples R China Nanjing Univ Posts & Telecommun, Coll Telecommun & Informat Engn, Nanjing 210000, Jiangsu, Peoples R ChinaWang, Qin论文数: 0 引用数: 0 h-index: 0机构: Nanjing Univ Posts & Telecommun, Coll Telecommun & Informat Engn, Nanjing 210000, Jiangsu, Peoples R China Nanjing Univ Posts & Telecommun, Minist Educ, Key Lab Broadband Wireless Commun & Sensor Networ, Nanjing 210003, Jiangsu, Peoples R China Nanjing Univ Posts & Telecommun, Coll Telecommun & Informat Engn, Nanjing 210000, Jiangsu, Peoples R ChinaGuo, Guang-Can论文数: 0 引用数: 0 h-index: 0机构: Univ Sci & Technol China, CAS, Key Lab Quantum Informat, Hefei 230026, Anhui, Peoples R China Univ Sci & Technol China, Synerget Innovat Ctr Quantum Informat & Quantum P, Hefei 230026, Anhui, Peoples R China Nanjing Univ Posts & Telecommun, Coll Telecommun & Informat Engn, Nanjing 210000, Jiangsu, Peoples R China
- [5] On-chip photon-pair generation in a silica microtoroidal cavityOPTICS EXPRESS, 2021, 29 (03) : 3533 - 3542Hashimoto, Yosuke论文数: 0 引用数: 0 h-index: 0机构: Japan Aerosp Explorat Agcy, Res & Dev Directorate, Res Unit 1, 2-1-1 Sengen, Tsukuba, Ibaraki 3058505, Japan Japan Aerosp Explorat Agcy, Res & Dev Directorate, Res Unit 1, 2-1-1 Sengen, Tsukuba, Ibaraki 3058505, JapanGoban, Akihisa论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Dept Appl Phys, Shinjuku Ku, 3-4-1 Okubo, Tokyo 1698555, Japan Japan Aerosp Explorat Agcy, Res & Dev Directorate, Res Unit 1, 2-1-1 Sengen, Tsukuba, Ibaraki 3058505, JapanHirabayashi, Yuki论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Dept Appl Phys, Shinjuku Ku, 3-4-1 Okubo, Tokyo 1698555, Japan Japan Aerosp Explorat Agcy, Res & Dev Directorate, Res Unit 1, 2-1-1 Sengen, Tsukuba, Ibaraki 3058505, JapanKobayashi, Yuta论文数: 0 引用数: 0 h-index: 0机构: Japan Aerosp Explorat Agcy, Res & Dev Directorate, Res Unit 1, 2-1-1 Sengen, Tsukuba, Ibaraki 3058505, Japan Japan Aerosp Explorat Agcy, Res & Dev Directorate, Res Unit 1, 2-1-1 Sengen, Tsukuba, Ibaraki 3058505, JapanAraki, Tomohiro论文数: 0 引用数: 0 h-index: 0机构: Japan Aerosp Explorat Agcy, Res & Dev Directorate, Res Unit 1, 2-1-1 Sengen, Tsukuba, Ibaraki 3058505, Japan Japan Aerosp Explorat Agcy, Res & Dev Directorate, Res Unit 1, 2-1-1 Sengen, Tsukuba, Ibaraki 3058505, JapanAoki, Takao论文数: 0 引用数: 0 h-index: 0机构: Waseda Univ, Dept Appl Phys, Shinjuku Ku, 3-4-1 Okubo, Tokyo 1698555, Japan Japan Aerosp Explorat Agcy, Res & Dev Directorate, Res Unit 1, 2-1-1 Sengen, Tsukuba, Ibaraki 3058505, Japan
- [6] On-chip Generation of Four-Photon Entangled Qubit States2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO), 2016,Reimer, Christian论文数: 0 引用数: 0 h-index: 0机构: INRS EMT, 1650 Blvd Lionel Boulet, Varennes, PQ J3X 1S2, Canada INRS EMT, 1650 Blvd Lionel Boulet, Varennes, PQ J3X 1S2, CanadaKues, Michael论文数: 0 引用数: 0 h-index: 0机构: INRS EMT, 1650 Blvd Lionel Boulet, Varennes, PQ J3X 1S2, Canada INRS EMT, 1650 Blvd Lionel Boulet, Varennes, PQ J3X 1S2, CanadaRortocki, Piotr论文数: 0 引用数: 0 h-index: 0机构: INRS EMT, 1650 Blvd Lionel Boulet, Varennes, PQ J3X 1S2, Canada INRS EMT, 1650 Blvd Lionel Boulet, Varennes, PQ J3X 1S2, CanadaCaspani, Lucia论文数: 0 引用数: 0 h-index: 0机构: INRS EMT, 1650 Blvd Lionel Boulet, Varennes, PQ J3X 1S2, Canada Heriot Watt Univ, Sch Engn & Phys Sci, Edinburgh EH14 4AS, Midlothian, Scotland INRS EMT, 1650 Blvd Lionel Boulet, Varennes, PQ J3X 1S2, CanadaBromberg, Yaron论文数: 0 引用数: 0 h-index: 0机构: Yale Univ, Dept Appl Phys, New Haven, CT 06520 USA INRS EMT, 1650 Blvd Lionel Boulet, Varennes, PQ J3X 1S2, CanadaWetzel, Benjamin论文数: 0 引用数: 0 h-index: 0机构: INRS EMT, 1650 Blvd Lionel Boulet, Varennes, PQ J3X 1S2, Canada INRS EMT, 1650 Blvd Lionel Boulet, Varennes, PQ J3X 1S2, CanadaLittle, Brent E.论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Sci, Xian Inst Opt & Precis Mech, Xian, Peoples R China INRS EMT, 1650 Blvd Lionel Boulet, Varennes, PQ J3X 1S2, CanadaChu, Sai T.论文数: 0 引用数: 0 h-index: 0机构: City Univ Hong Kong, Dept Phys & Mat Sci, Tat Chee Ave, Hong Kong, Hong Kong, Peoples R China INRS EMT, 1650 Blvd Lionel Boulet, Varennes, PQ J3X 1S2, CanadaMoss, David J.论文数: 0 引用数: 0 h-index: 0机构: INRS EMT, 1650 Blvd Lionel Boulet, Varennes, PQ J3X 1S2, Canada Swinburne Univ Technol, Ctr Micro Photon, Hawthorn, Vic 3122, Australia INRS EMT, 1650 Blvd Lionel Boulet, Varennes, PQ J3X 1S2, CanadaMorandotti, Roberto论文数: 0 引用数: 0 h-index: 0机构: INRS EMT, 1650 Blvd Lionel Boulet, Varennes, PQ J3X 1S2, Canada INRS EMT, 1650 Blvd Lionel Boulet, Varennes, PQ J3X 1S2, Canada
- [7] Scalable feedback control of on-chip entangled photon pair sources2019 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO), 2019,Carolan, Jacques论文数: 0 引用数: 0 h-index: 0机构: MIT, Res Lab Elect, 77 Massachusetts Ave, Cambridge, MA 02139 USA MIT, Res Lab Elect, 77 Massachusetts Ave, Cambridge, MA 02139 USAChakraborty, Uttara论文数: 0 引用数: 0 h-index: 0机构: MIT, Res Lab Elect, 77 Massachusetts Ave, Cambridge, MA 02139 USA MIT, Res Lab Elect, 77 Massachusetts Ave, Cambridge, MA 02139 USAHarris, Nicholas C.论文数: 0 引用数: 0 h-index: 0机构: Lightmatter, 61 Chatham St,5th Floor, Boston, MA 02109 USA MIT, Res Lab Elect, 77 Massachusetts Ave, Cambridge, MA 02139 USAPant, Mihir论文数: 0 引用数: 0 h-index: 0机构: MIT, Res Lab Elect, 77 Massachusetts Ave, Cambridge, MA 02139 USA MIT, Res Lab Elect, 77 Massachusetts Ave, Cambridge, MA 02139 USABaehr-Jones, Tom论文数: 0 引用数: 0 h-index: 0机构: Elenion Technol, 171 Madison Ave,Suite 1100, New York, NY 10016 USA MIT, Res Lab Elect, 77 Massachusetts Ave, Cambridge, MA 02139 USAHochberg, Michael论文数: 0 引用数: 0 h-index: 0机构: Elenion Technol, 171 Madison Ave,Suite 1100, New York, NY 10016 USA MIT, Res Lab Elect, 77 Massachusetts Ave, Cambridge, MA 02139 USAEnglund, Dirk论文数: 0 引用数: 0 h-index: 0机构: MIT, Res Lab Elect, 77 Massachusetts Ave, Cambridge, MA 02139 USA MIT, Res Lab Elect, 77 Massachusetts Ave, Cambridge, MA 02139 USA
- [8] On-chip time and frequency modes for the generation and processing of complex photon states2021 ANNUAL CONFERENCE OF THE IEEE PHOTONICS SOCIETY (IPC), 2021,Sciara, Stefania论文数: 0 引用数: 0 h-index: 0机构: Inst Natl Rech Sci, Varennes, PQ, Canada Inst Natl Rech Sci, Varennes, PQ, CanadaYu, Hao论文数: 0 引用数: 0 h-index: 0机构: Inst Natl Rech Sci, Varennes, PQ, Canada Univ Sci & Technol China, Chengdu, Peoples R China Inst Natl Rech Sci, Varennes, PQ, CanadaChemnitz, Mario论文数: 0 引用数: 0 h-index: 0机构: Inst Natl Rech Sci, Varennes, PQ, Canada Inst Natl Rech Sci, Varennes, PQ, CanadaFischer, Bennet论文数: 0 引用数: 0 h-index: 0机构: Inst Natl Rech Sci, Varennes, PQ, Canada Inst Natl Rech Sci, Varennes, PQ, CanadaRoztocki, Piotr论文数: 0 引用数: 0 h-index: 0机构: Inst Natl Rech Sci, Varennes, PQ, Canada Inst Natl Rech Sci, Varennes, PQ, CanadaCrockett, Benjamin论文数: 0 引用数: 0 h-index: 0机构: Inst Natl Rech Sci, Varennes, PQ, Canada Inst Natl Rech Sci, Varennes, PQ, CanadaAzana, Jose论文数: 0 引用数: 0 h-index: 0机构: Inst Natl Rech Sci, Varennes, PQ, Canada Inst Natl Rech Sci, Varennes, PQ, CanadaMorandotti, Roberto论文数: 0 引用数: 0 h-index: 0机构: Inst Natl Rech Sci, Varennes, PQ, Canada Univ Sci & Technol China, Chengdu, Peoples R China Inst Natl Rech Sci, Varennes, PQ, CanadaReimer, Christian论文数: 0 引用数: 0 h-index: 0机构: HyperLight Corp, Cambridge, MA USA Inst Natl Rech Sci, Varennes, PQ, CanadaLittle, Brent E.论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Sci, Xian, Peoples R China Inst Natl Rech Sci, Varennes, PQ, CanadaCaspani, Lucia论文数: 0 引用数: 0 h-index: 0机构: Univ Strathcyde, Glasgow, Lanark, Scotland Inst Natl Rech Sci, Varennes, PQ, CanadaMunro, William J.论文数: 0 引用数: 0 h-index: 0机构: NTT Basic Res Labs, Atsugi, Kanagawa, Japan Inst Natl Rech Sci, Varennes, PQ, CanadaChu, Sai T.论文数: 0 引用数: 0 h-index: 0机构: Univ Hong Kong, Hong Kong, Peoples R China Inst Natl Rech Sci, Varennes, PQ, CanadaMoss, David J.论文数: 0 引用数: 0 h-index: 0机构: Swinburne Univ Technol, Hawthorn, Vic, Australia Inst Natl Rech Sci, Varennes, PQ, CanadaKues, Michael论文数: 0 引用数: 0 h-index: 0机构: Leibniz Univ Hannover, Hannover, Germany Inst Natl Rech Sci, Varennes, PQ, CanadaYu, Hao论文数: 0 引用数: 0 h-index: 0机构: Inst Natl Rech Sci, Varennes, PQ, Canada Univ Sci & Technol China, Chengdu, Peoples R China Inst Natl Rech Sci, Varennes, PQ, CanadaWang, Zhiming论文数: 0 引用数: 0 h-index: 0机构: Univ Sci & Technol China, Chengdu, Peoples R China Inst Natl Rech Sci, Varennes, PQ, CanadaMorandotti, Roberto论文数: 0 引用数: 0 h-index: 0机构: Inst Natl Rech Sci, Varennes, PQ, Canada Univ Sci & Technol China, Chengdu, Peoples R China Inst Natl Rech Sci, Varennes, PQ, Canada
- [9] On-Chip Terahertz Photon Manipulation35TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ 2010), 2010,Ikushima, K.论文数: 0 引用数: 0 h-index: 0机构: Tokyo Univ A&T, Dept Appl Phys, Tokyo, Japan JST, PRESTO, Saitama, Japan Tokyo Univ A&T, Dept Appl Phys, Tokyo, JapanKunitani, K.论文数: 0 引用数: 0 h-index: 0机构: Tokyo Univ A&T, Dept Appl Phys, Tokyo, Japan Tokyo Univ A&T, Dept Appl Phys, Tokyo, JapanAsaoka, D.论文数: 0 引用数: 0 h-index: 0机构: Univ Tokyo, Dept Basic Sci, Tokyo, Japan Tokyo Univ A&T, Dept Appl Phys, Tokyo, JapanKomiyama, S.论文数: 0 引用数: 0 h-index: 0机构: Univ Tokyo, Dept Basic Sci, Tokyo, Japan Tokyo Univ A&T, Dept Appl Phys, Tokyo, JapanUeda, T.论文数: 0 引用数: 0 h-index: 0机构: Univ Tokyo, Dept Basic Sci, Tokyo, Japan Tokyo Univ A&T, Dept Appl Phys, Tokyo, JapanHirakawa, K.论文数: 0 引用数: 0 h-index: 0机构: Univ Tokyo, Inst Ind Sci, Tokyo, Japan Tokyo Univ A&T, Dept Appl Phys, Tokyo, Japan
- [10] Interpretable inverse-designed cavity for on-chip nonlinear photon pair generationOPTICA, 2023, 10 (11): : 1529 - 1534Jia, Zhetao论文数: 0 引用数: 0 h-index: 0机构: Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USAQarony, Wayesh论文数: 0 引用数: 0 h-index: 0机构: Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USAPark, Jagang论文数: 0 引用数: 0 h-index: 0机构: Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USAHooten, Sean论文数: 0 引用数: 0 h-index: 0机构: Hewlett Packard Enterprise, Hewlett Packard Labs, 820 N Marthy Blvd, Milpitas, CA 95035 USA Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USAWen, Difan论文数: 0 引用数: 0 h-index: 0机构: Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA Univ Calif Berkeley, Appl Sci & Technol Grad Grp, Berkeley, CA 94720 USA Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USAZhiyenbayev, Yertay论文数: 0 引用数: 0 h-index: 0机构: Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USASecli, Matteo论文数: 0 引用数: 0 h-index: 0机构: Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USARedjem, Walid论文数: 0 引用数: 0 h-index: 0机构: Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USADhuey, Scott论文数: 0 引用数: 0 h-index: 0机构: Lawrence Berkeley Natl Lab, Mol Foundry, Berkeley, CA 94720 USA Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USASchwartzberg, Adam论文数: 0 引用数: 0 h-index: 0机构: Lawrence Berkeley Natl Lab, Mol Foundry, Berkeley, CA 94720 USA Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USAYablonovitch, Eli论文数: 0 引用数: 0 h-index: 0机构: Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USAKante, Boubacar论文数: 0 引用数: 0 h-index: 0机构: Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA Lawrence Berkeley Natl Lab, Mat Sci Div, 1 Cyclotron Rd, Berkeley, CA 94720 USA Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA