Publications

Journal Publications  Other Articles  Conference Contributions  Press Coverages

Selected Press Coverages
Random access metamaterial enables ultimate spatial light control
nanotechweb.org, January 2017 – link
Exotic optics: Metamaterial world
News Feature – Lee Billings Nature 500, 138-140 (2013) – link
Southampton scientists change the colour of gold
BBC News, 24 Oct. 2012 –link

Journal Publications
* corresponding author

1. Mechanochromic Reconfigurable Metasurfaces
   A. Karvounis, N. Aspiotis,I. Zeimpekis, J. Y. Ou, C. C. Huang, D. Hewak, and N. I. Zheludev
   Advanced Science, 1900974 (2019) doi:10.1002/advs.201900974
   
2. Perfect light absorption in graphene by two unpatterned dielectric layers and potential applications
   J. Zhu, C. Li, J. Y. Ou and Q. H. Liu
   Carbon 142, 430-437 (2019) doi:10.1016/j.carbon.2018.10.073
3. High-sensitivity refractive index sensors using coherent perfect absorption on graphene in the Vis-NIR region
   C. Li, J. Qiu, J. Y. Ou, Q.H. Liu, J. Zhu
   ACS Applied Nano Materials 2, 3231-3237 (2019) doi:10.1021/acsanm.9b00523
4. Electronic and hyperbolic dielectric properties of $\mathrm{ZrS2/HfS2}$heterostructures
   L. Zhang, W. Yu, Q. Wang, J. Y. Ou, B Wang, G Tang, X Jia, X Yang, G Wang, and X. Cai
   Phys. Rev. B 100 (16), 165304 (2019) doi:10.1103/PhysRevB.100.165304
5. Optical addressing of nanomechanical metamaterials with subwavelength resolution
   *J. Y. Ou, E. Plum, and N. I. Zheludev
   Appl. Phys. Lett. 113, 081104 (2018) doi:10.1063/1.5036966
   
6. Optical bistability in shape-memory nanowire metamaterial array
   Y. Nagasaki, B. Gholipour, *J. Y. Ou, M. Tsuruta, E. Plum, K. F. MacDonald, J. Takahara, and N. I. Zheludev
   Appl. Phys. Lett. 113, 021105 (2018) doi: 10.1063/1.5025400
   
7. Optical Gating of Graphene on Photoconductive Fe: LiNbO₃
   J. Gorecki, V. Apostolopoulos, J. Y. Ou, S. Mailis, and N. Papasimakis.
   ACS NANO 12(6) 5940-5945 (2018) doi:10.1021/acsnano.8b02161
   
8. Optical properties of single crystal silver thin films on mica for high performance plasmonic devices
   T. Uchino, T. Koiwa, J. Y. Ou, and V. A. Fedotov
   Opt. Mater. Express 8(6), 1642-1649 (2018) doi:10.1364/OME.8.001642
   [OMEx Editor’s Pick]
9. Midinfrared one-dimensional photonic crystal constructed from two-dimensional electride material
   L. Zhang, W. Yu, J. Y. Ou, Q. Wang, X. Cai, B. Wang, X. Li, R. Zhao, and Y. Liu
   Phys. Rev. B 98, 075434 (2018) doi:10.1103/PhysRevB.98.075434
10. Near unity ultraviolet absorption in graphene without patterning
    J. Zhu, S. Yan, N. Feng, L. Ye, J. Y. Ou, and Q. H. Liu
    Appl. Phys. Lett. 112,153106 (2018) doi:10.1063/1.5022768
11. Portable tumor biosensing of serum by plasmonic biochips in combination with nanoimprint and microfluidics
    J. Zhou, F. Tao, J Zhu, S Lin, Z Wang, X Wang, J. Y. Ou, Y Li, Q.H. Liu
    Nanophotonics 8(2), pp.307-316 (2018) doi:10.1515/nanoph-2018-0173
12. Fano resonance and Rabi splitting in MDM side-coupled cavities systems
    L. Zhang, X. Wang, W. Qiao, J. Y. Ou, Q. Gu, L. He, Q. Wang, Y. Liu, Y. Zhu, W. Li
    Opt. Commun. 421, 66-72 (2018) doi: 10.1016/j.optcom.2018.03.077
    
13. Planar array with bidirectional elements for tunnel environments
    R. Wang, B-Z. Wang, X. Ding, and J. Y. Ou
    Sci. Rep. 7, 15421 (2017)  doi: 10.1038/s41598-017-15817-4
14. Electro-mechanical light modulator based on controlling the interaction of light with a metasurface
    P. Cencillo-Abad, J. Y. Ou, E. Plum, and Nikolay I. Zheludev
    Sci. Rep.7, 5405 (2017) doi: 10.1038/s41598-017-05906-9
    
15. Coherent selection of invisible high-order electromagnetic excitations
    M. L. Tseng, X. Fang, V. Savinov, P. C. Wu, J. Y. Ou, N. I. Zheludev, and D. P. Tsai
    Sci. Rep.7, 44488 (2017) doi: 10.1038/srep44488
    
16. Active counter electrode in a-SiC electrochemical metallization memory
    K. A. Morgan, J. Fan, R. Huang, L. Zhong, R. Gowers, J. Y. Ou, L. Jiang and C.H. De Groot
    J. Phys. D: Appl. Phys. 50, 325102 (2017) doi:10.1088/1361-6463/aa7bbe
17. Random access actuation of nanowire grid metamaterial
    P. Cencillo-Abad, J. Y. Ou, E. Plum, J. Valente, and N. I. Zheludev
    Nanotechnology 27, 485206 (2016) doi: 10.1088/0957-4484/27/48/485206
    
18. Giant nonlinearity of an optically reconfigurable plasmonic metamaterial
    J. Y. Ou, E. Plum, J. Zhang, and N. I. Zheludev
    Adv. Mater.28, 729-733 (2016) doi: 10.1002/adma.201504467
    
19. Nano-optomechanical nonlinear dielectric metamaterials
    A. Karvounis, J. Y. Ou, W. Wu, K. F. MacDonald, N. I. Zheludev
    Appl. Phys. Lett.107, 191110 (2015) doi: 10.1063/1.4935795
    
20. A magneto-electro-optical effect in a plasmonic nanowire material
    J. Valente, J. Y. Ou, E. Plum, I. J. Youngs, and N. I. Zheludev
    Nat. Commun.6, 7021 (2015) doi: 10.1038/ncomms8021
    
21. Reconfiguring photonic metamaterials with currents and magnetic fields
    J. Valente, J. Y. Ou, E. Plum, I. J. Youngs, and N. I. Zheludev
    Appl. Phys. Lett.106, 111905 (2015) doi: 10.1063/1.4913609
    
22. Scalable high-mobility MoS 2 thin films fabricated by an atmospheric pressure chemical vapor deposition process at ambient temperature
    C. C. Huang, F. Al-Saab, Y. Wang, J. Y. Ou, J. C. Walker, S. Wang, B. Gholipour, R. E. Simpson  and  D. W. Hewak

    

    Nanoscale 6 (21), 12792 (2014) doi:10.1039/C4NR04228J
23. Ultraviolet and visible range plasmonics in the topological insulator Bi_1.5Sb_0.5Te_1.8Se_1.2
    J. Y. Ou, J. K. So, G. Adamo, A. Sulaev, L. Wang, and N. I. Zheludev
    Nat. Commun., 5, 5139 (2014) doi: 10.1038/ncomms6139
    
24. Ultrafast all-optical switching via coherent modulation of metamaterial absorption
    X. Fang, M. L. Tseng, J. Y. Ou, K. F. MacDonald, D. P. Tsai, and N. I. Zheludev
    Appl. Phys. Lett.104, 141102 (2014) doi: 10.1063/1.4870635
    
25. An electromechanically reconfigurable plasmonic metamaterial operating in the near-infrared
    J. Y. Ou, E. Plum, J. Zhang, and N. I. Zheludev
    Nature Nanotech.8, 252-255 (2013) doi: 10.1038/NNANO.2013.25
    
26. Electro-optical control in a plasmonic metamaterial hybridised with a liquid-crystal cell
    O. Buchnev, J. Y. Ou, M. Kaczmarek, N. I. Zheludev, and V. A. Fedotov
    Opt. Express 21(2), 1633 (2013) doi: 10.1364/OE.21.001633
    
27. Germanium antimony lateral nanowire phase change memory by chemical vapor deposition
    B. Gholipour, C. C. Huang, J. Y. Ou, D. W. Hewak

    

    Physica status solidi (b) 250 (5), 994 (2013) doi:10.1002/pssb.201248515
28. Electron-beam-driven collective-mode metamaterial light source
    G. Adamo, J. Y. Ou, J. K. So, S. D. Jenkins, F. De Angelis, K. F. MacDonald, E. Di Fabrizio, J. Ruostekoski, and N. I. Zheludev
    Phys. Rev. Lett.109, 217401 (2012) doi: 10.1103/PhysRevLett.109.217401
    
29. Optical response of plasmonic relief meta-surfaces
    J. Zhang, J. Y. Ou, K. F. MacDonald and N. I. Zheludev J. Opt.14, 114002 (2012) doi: 10.1088/2040-8978/14/11/114002
    
30. “Digitally” addressable focusing of light into a subwavelength hot spot
    T. S. Kao, E. T. F. Rogers, J. Y. Ou, and N. I. Zheludev
    Nano Lett.12, 2728 (2012) doi: 10.1021/nl2043437
    
31. Low-loss plasmonic metamaterial based on epitaxial gold monocrystal film
    V. A. Fedotov, T. Uchino, and J. Y. Ou
    Opt. Express20(9), 9545 (2012) doi: 10.1364/OE.20.009545
    
32. Efficient light confinement with nanostructured optical microfiber tips
    M. Ding, O. Fenwick, F. Di Stasio, J. Y. Ou, N. Sessions, Y. Jung, F. Cacialli and G. Brambilla

    

    Optics Communications 285 (23), 4688 (2012) doi:10.1016/j.optcom.2012.05.006
33. Deposition and characterization of CVD-grown Ge-Sb thin film device for phase-change memory application
    C. C Huang, B. Gholipour, K. Knight, J. Y. Ou, D. W. HewakAdvances in OptoElectronics 2012, 840348 (2012) doi:10.1155/2012/840348
34. Continuous metal plasmonic frequency selective surfaces
    J. Zhang, J. Y. Ou, N. Papasimakis, Y. Chen, K. F. MacDonald, and N. I. Zheludev
    Opt. Express 19(23), 23279 (2011) doi: 10.1364/OE.19.023279
    
35. Nanostructured plasmonic medium for terahertz bandwidth all-optical switching
    M. Ren, B. Jia, J. Y. Ou, E. Plum, J. Zhang, K. F. MacDonald, A. E. Nikolaenko, J. Xu, M. Gu, N. I. Zheludev
    Adv. Mater. 23, 5540 (2011) doi: 10.1002/adma.201103162
    
36. Reconfigurable photonic metamaterials
    *J. Y. Ou, E. Plum, L. Jiang, and N. I. Zheludev
    Nano Lett.11(5), 2142-2144 (2011) doi: 10.1021/nl200791r
    
37. Laser-induced forward transfer of focussed ion beam pre-machined donors
    K. S. Kaur, M. Feinäugle, D. P. Banks, J. Y. Ou, F. Di Pietrantonio, E. Verona, C. L. Sones, and R. W. Eason
    Appl. Surf. Sci.257, 6650 (2011) doi: 10.1016/j.apsusc.2011.02.094
38. Electrical phase change of CVD-grown Ge-Sb-Te thin film device
    C. C. Huang, B. Gholipour, J. Y. Ou, K. J. Knight, and D. W. Hewak
    Electron. Lett.47, 288 (2011) doi: 10.1049/el.2010.3276
39. Multifold enhancement of quantum dot luminescence in plasmonic metamaterials
    K. Tanaka, E. Plum, J. Y. Ou, T. Uchino, and N. I. Zheludev
    Phys. Rev. Lett.105, 227403 (2010) doi: 10.1103/PhysRevLett.105.227403
    
40. Fabrication and characterization of microscaled on-chip toroidal inductors
    J. Y. Ou, S. H. Chen, H. M. Lee, J. C. Wu

    

    IEEE Transactions on Magnetics 45 (10), 4767 (2010) doi:10.1109/TMAG.2009.2023916
41. Current driven magnetization reversal in microstructured spin valve with current-in-plane configuration
    C. Y. Kuo, C. T. Chao, J. Y. Ou, L. Horng, J. C. Wu, T. H. Wu, M. Tsunoda and M. Takahashi

    

    Journal of Applied Physics 105 (7), 07D118 (2009) doi: 10.1063/1.3068483
42. A Novel Bottom-Up Fabrication Process for Controllable Sub-100 nm Magnetic Multilayer Devices
    M. Y. Kao, J. Y. Ou, L. Horng, J. C. Wu

    

    IEEE Transactions on Magnetics 44 (11), 2734-2736 (2008) doi:10.1109/TMAG.2008.2001502
43. Layer-and lateral-resolved magnetization studies using photoemission electron microscopy
    D. H. Wei, Y. J. Hsu, C. C. Lin, C. H. Lai, J. Y. Ou, J. C. WuJournal of magnetism and magnetic materials 282, 49-52 (2004) doi:10.1016/j.jmmm.2004.04.011

Other Articles and Conference Proceedings

1. Control of metal color using surface relief metamaterial nanostructuring
   J. Zhang, J. Y. Ou, N. Papasimakis, Y. Chen, K. F. MacDonald, and N. I. Zheludev
   SPIE Newsroom (2012) doi: 10.1117/2.1201202.004119
   
2. Observation of multiple transitions on permalloy ring by magnetic force microscopy
   L. K. Lin, C. Y. Kao, J. Y. Ou, C. C. Chang, C. R. Chang, L. Horng and J. C. Wu Physica Status Solidi (C) 4(12), 4360-4363 (2007) doi:10.1002/pssc.200777205
3. Investigation of magnetization reversal in chains of permalloy ellipses via magnetoresistance measurement and magnetic force microscopy
   C. T. Chao, J. Y Ou., Y. C. Chang, C. C. Chang, H. M. Lee and J. C. Wu Physica Status Solidi (C) 4(12), 4356-4359 (2007) doi:10.1002/pssc.200777212
4. Soft X-Ray Photoemission Electron Microscopy Station with Polarized Radiation
   D.H. Wei, Y.J. Hsu, G.C. Yin, Y.S. Wu, S.C. Chuang, K.L. Tsang, J. Y. Ou and J.C. Wu
   AIP Conference Proceedings 705, 905 (2004) doi:10.1063/1.1757942

Conference Contributions

1. (invited) Nanomechanical Functionalities in Photonic Metamaterials
   K. F. MacDonald, D. Papas, J. Li, Q. Zhang, D. Piccinotti, J. Y. Ou, E. Plum, and N. I. Zheludev
   Metamaterials 2020 (Virtual Conference), 28 Sept – 01 Oct 2020
2. Ultrafast Hyperspectral Nanomotion Imaging of Ballistic and Brownian Motion in Metamaterial Nanostructures
   T. Liu, J. Y. Ou, K. F. MacDonald and N. I. Zheludev
   Metamaterials 2020 (Virtual Conference), 28 Sept – 01 Oct 2020
3. (invited) Exotic effects in nanomechanical metamaterials
   J. Y. Ou, D. Papas, J. Li, T. Liu, Q. Zhang, D. Piccinotti, E. Plum and K. F. MacDonald, and N. I. Zheludev
   SPIE Optics & Photonics 2020, San Diego, CA, USA, 23 – 27 Aug 2020
4. (invited) Metamaterials, deep learning and optical super-resolution
   N. I. Zheludev, T. Pu, G. Yuan, J. Y. Ou, V. Savinov, and N. Papasimakis
   SPIE Optics & Photonics 2020, San Diego, CA, USA, 23 – 27 Aug 2020
5. (invited) Nanomechanical metamaterials driven by electromagnetic forces, light, and sound
   K. F. MacDonald, J. Li, T. Liu, D. Papas, Q. Zhang, D. Piccinotti, J. Y. Ou, E. Plum, and N. I. Zheludev
   META 2020 – 11th International Conference on Metamaterials, Photonic Crystals and Plasmonics, Warsaw, Poland 20-23 July 2020
6. (invited) Functional nanomechanical metamaterials driven by light, electromagnetic forces and sound
   N. I. Zheludev, D. Papas, T. Liu, J. Li, Q. Zhang, J. Y. Ou, E. Plum, and K. F. MacDonald
   CLEO 2020, San Jose, CA, USA, 10 – 15 May 2020
7. Deep Subwavelength Singularity Imaging Beyond λ/100
   T. Pu, V. Savinov, G. Yuan, J. Y. Ou, N. Papasimakis, and N. I. Zheludev
   CLEO 2020, San Jose, CA, USA, 10 – 15 May 2020
8. High-frequency nano-motion imaging of artificial nanostructures
   T. Liu, J. Y. Ou, K. F. MacDonald, and N. I. Zheludev
   SPIE Photonics Europe 2020, Strasbourg, France, 29 Mar-2 Apr 2020
9. (Poster) Experimental detection of toroidal and anapole dipoles: introducing anapole spectroscopy
   V. Savinov, W. Y. Tsai, J. Y. Ou, D. P. Tsai, and N. I. Zheludev
   SPIE Photonics Europe 2020, Strasbourg, France, 29 Mar-2 Apr 2020
10. (plenary) Optical super-resolution beyond λ/100 through artificial intelligence
    N. I. Zheludev, T. Pu, G. Yuan, J. Y. Ou, V. Savinov and N. Papasimakis
    The 50th Winter Colloquium on the Physics of Quantum Electronics (PQE 2020), Snowbird, Utah, USA, 5-10 January 2020
11. High-Frequency Nano-motion Electron Imaging for Artificial Nanostructures
    T. Liu, J. Y. Ou, K. F. MacDonald, and N. I. Zheludev
    Electron Beam Spectroscopy for Nanophotonics 2019 (EBSN2019), Paris, France, 16-19 Sept 2019
12. Imaging of high-frequency motion in artificial nanostructures
    T. Liu, J. Y. Ou, K. F. MacDonald, and N. I. Zheludev
    Metamaterials’2019, Rome, Italy, 16 – 21 Sep 2019
13. Optical metamaterial reconfigured with sound
    D. Papas, J. Y. Ou, E. Plum, and N. I. Zheludev
    Metamaterials’2019, Rome, Italy, 16 – 21 Sep 2019
14. (invited) Advances in nanomechanical metamaterials
    E. Plum, D. Papas, J. Y. Ou, A. Karvounis, K. F. MacDonald and N. I. Zheludev
    META 2019, Lisbon, Portugal, 23-26 Jul 2019
15. Fibre-integrated phase-change devices
    T. Martins, B. Gholipour, D. Piccinotti, J. Y. Ou, K. F. MacDonald, O. Frazão, A. Peacock, and N. I. Zheludev
    IV International Conference on Applications in Optics and Photonics (AOP 2019), Lisbon, Portugal 31 May – 04 Jun 2019
16. Tuning MoS₂ metamaterial with elastic strain
    A. Karvounis, N. Aspiotis, I. Zeimpekis, J. Y. Ou, C. C. Huang, D. Hewak, and N. I. Zheludev
    Nanometa 2019, Seefeld, Austria, 3 – 6 Jan 2019
17. (poster) Acoustically driven photonic metamaterials
    D. Papas, J. Y. Ou, E. Plum, and N. I. Zheludev
    Nanometa 2019, Seefeld, Austria, 3 – 6 Jan 2019
18. (poster) Solvatochromic spectroscopy of metamaterials
    V. Savinov, W. Y. Tsai, J. Y. Ou, D. P. Tsai, and N. I. Zheludev
    Nanometa 2019, Seefeld, Austria, 3 – 6 Jan 2019
19. (invited) Nano-optomechanical metamaterials 
    J. Y. Ou, D. Papas, A. Karvounis, E. Plum, and N. I. Zheludev
    OPTIC 2018, Annual Meeting of Taiwan Photonics Society, Taiwan, 6-8 Dec 2018
20. (invited) Seeing the invisible: Direct detection of electric, toroidal and anapoles Dipoles 
    V. Savinov, W. Y. Tsai, J. Y. Ou, D. P. Tsai, and N. I. Zheludev
    OPTIC 2018, Annual Meeting of Taiwan Photonics Society, Taiwan, 6-8 Dec 2018
21. Playing the metamaterial guitar with light and ultrasound
    J. Y. Ou, D. Papas, E. Plum, and N. I. Zheludev
    Symposium on Acoustic Metamaterials, Xàtiva, Spain, 7-9 Nov 2018
22. Variable environmental index spectroscopy in metamaterials
    W. Y. Tsai, V. Savinov, J. Y. Ou, D. P. Tsai, and N. I. Zheludev
    CLEO 2018, San Jose, CA, USA, 13-18 May 2018
23. (poster) Optical range plasmonics of a niobium metamaterial around the superconducting transition temperature
    C. Y. Liao, H. N. S. Krishnamoorthy, V. Savinov, J. Y. Ou, E. Plum, K. F. MacDonald, C. Soci, F. V. Kusmartsev, D. P. Tsai, and N. I. Zheludev
    CLEO-PR, OECC & PGC 2017, Singapore 31 Jul – 4 Aug 2017
24. (invited) Merging photonic metamaterial and optical fiber technologies
    A. Xomalis, D. Piccinotti, A. Karvounis, I. Demirtzioglou, V. Savinov, B. Gholipour, J. Y. Ou, Y. Jung, E. Plum, P. Petropoulos, K. F. MacDonald, D. J. Richardson, and N. I. Zheludev
    Integrated Photonics Research, Silicon, and Nano-Photonics, New Orleans, LA, USA, 24 – 27 Jul 2017
25. Optical bistability in optomechanical metamaterial at sub-milliwatt power levels
    J. Y. Ou, A. Karvounis, K. F. MacDonald, and N. I. Zheludev
    CLEO Europe – EQEC 2017 , Munich, Germany 25 – 29 Jun 2017
26. Plasmonic properties of superconducting niobium in the optical spectral range
    C. Y. Liao, H. N. S. Krishnamoorthy, V. Savinov, J. Y. Ou, C. Huang, G. Adamo, E. Plum, K. F. MacDonald, Y. D. Chong, O. L. Muskens, C. Soci, F. V. Kusmartsev, D. P. Tsai, and N. I. Zheludev
    CLEO Europe – EQEC 2017 , Munich, Germany 25 – 29 Jun 2017
27. (invited) Optomechanical metasurfaces
    E. Plum, J. Y. Ou, A. Karvounis, K. F. MacDonald, and N. I. Zheludev
    OSA Incubator Meeting on Materials for Optomechanical Actuation, Washington DC, USA, 25-27 Jun 2017
28. Plasmonic response of superconducting niobium in the optical spectral range
    C. Y. Liao, H. N. S. Krishnamoorthy, V. Savinov, J. Y. Ou, C. Huang, G. Adamo, E. Plum, K. F. MacDonald, Y. D. Chong, O. L. Muskens, C. Soci, F. V. Kusmartsev, D. P. Tsai, and N. I. Zheludev
    ICMAT2017, Singapore, 18 – 23 Jun 2017
29. (invited) Merging metamaterial and fiber technologies
    J. Y. Ou, A. Karvounis, A. Xomalis, V. Savinov, E. Plum, K. F. MacDonald, and N. I. Zheludev
    8th International Conference on Surface Plasmon Photonics (SPP8), Taipei, Taiwan, 22-26 May 2017
30. Optical range plasmonics around superconducting transition temperature of niobium metamaterial
    C. Y. Liao, H. N. S. Krishnamoorthy, V. Savinov, J. Y. Ou, C. Huang, G. Adamo, E. Plum, K. F. MacDonald, Y. D. Chong, O. L. Muskens, C. Soci, F. V. Kusmartsev, D. P. Tsai, N. I. Zheludev
    8th International Conference on Surface Plasmon Photonics (SPP8), Taipei, Taiwan, 22-26 May 2017
31. (invited) Active metasurfaces: Optical properties on demand
    E. Plum, M. Papaioannou, P. Cencillo-Abad, J. Y. Ou, A. Xomalis, E. T. F. Rogers, K. F. MacDonald, and N. I. Zheludev
    Rank Prize Symposium on Electromagnetic Metasurfaces, Grasmere, UK, 13 – 16 Mar 2017
32. (invited) Optical plasmonic response of niobium around the superconducting transition temperature
    C. Y. Liao, H. N. S. Krishnamoorthy, V. Savinov, J. Y. Ou, C. Huang, G. Adamo, E. Plum, K. F. MacDonald, Y. D. Chong, C. Soci, F. V. Kusmartsev, D. P. Tsai, and N. I. Zheludev
    IPS Meeting 2017, Singapore, 22 – 24 Feb 2017
33. Optical range plasmonics of niobium around the superconducting transition temperature
    C. Y. Liao, H. N. S. Krishnamoorthy, V. Savinov, J. Y. Ou, C. Huang, G. Adamo, E. Plum, K. F. MacDonald, Y. D. Chong, C. Soci, F. V. Kusmartsev, D. P. Tsai, and N. I. Zheludev
    Nanometa 2017, Seefeld, Austria, 4 – 7 Jan 2017
34. (poster) Intrinsic optical bistability in nanomechanical metamaterials at milliwatt power levels
    J. Y. Ou, A. Karvounis, K. F. MacDonald, N. I. Zheludev
    Nanometa 2017, Seefeld, Austria, 4 – 7 Jan 2017
35. Optomechanical guitar: Reconfiguring metamaterials with sub-wavelength spatial resolution
    J. Y. Ou, E. Plum, and N. I. Zheludev
    Metamaterials 2016, Crete, Greece, 17 – 22 Sep 2016
36. Metasystems for all-optical recognition and processing of images and data
    M. Papaioannou, E. Plum, E. T. F. Rogers, J. Valente, and N. I. Zheludev; [presenter: J. Y. Ou]
    Metamaterials 2016, Crete, Greece, 17 – 22 Sep 2016
37. (poster) Nanomechanically Reconfigurable All-dielectric Metasurfaces for Sub-GHz Optical Modulation
    A. Karvounis, J. Y. Ou, B. Gholipour, K. F. MacDonald, and N. I. Zheludev
    Metamaterials 2016, Crete, Greece, 17 – 22 Sep 2016
    [Awarded best poster by Metamaterials, Inc. (MTI)]
38. All-dielectric nanomechanical metamaterials for sub-GHz optical modulation
    A.Karvounis, J. Y. Ou, B.Gholipour, K.F.MacDonald, and N.I.Zheludev
    Photon ’16, Leeds, 5-8 Sep 2016
39. (invited) Metamaterials reconfigurable with light
    A. Karvounis, J. Y. Ou, E. Plum, K. F. MacDonald, and N. I. Zheludev
    SPIE Optics & Photonics 2016, San Diego, USA, 28 Aug – 1 Sep 2016
40. Low-loss single crystal silver thin films for nanoplasmonics and metamaterials
    T. Koiwa, T. Uchino, V. A. Fedotov, J. Y. OuIEEE 16th International Conference on Nanotechnology (IEEE-NANO), Sendai, Japan, 22-25 Aug. 2016
41. (poster) Sub-GHz Modulation of Light with Dielectric Nanomechanical Metamaterials
    A. Karvounis, J. Y. Ou, B. Gholipour, W. Wu, K. F. MacDonald, and N. I. Zheludev
    CLEO 2016, San Jose, CA, USA, 5 – 10 June 2016
42. (poster) Playing a metamaterial guitar with light: Optically addressable nanomechanical metamaterial
    J. Y. Ou, E. Plum, B. P. Clarke, and N. I. Zheludev
    CLEO 2016, San Jose, CA, USA, 5 – 10 June 2016
43. (poster) All-dielectric nanomechanical metamaterials
    A. Karvounis, J. Y. Ou, B. Gholipour, K. F. MacDonald, and N. I. Zheludev
    New Horizons in Nanophotonics, Chicheley, UK, 23 – 24 May 2016
44. (poster) Playing a metamaterial guitar with light: Optically addressable nanomechanical metamaterial
    J. Y. Ou, E. Plum, and N. I. Zheludev
    New Horizons in Nanophotonics, Chicheley, UK, 23 – 24 May 2016
45. (invited) All-dielectric nano-optomechanical nonlinear metamaterials
    A. Karvounis, J. Y. Ou, W. Wu, K. F. MacDonald, N. I. Zheludev
    SPIE Photonics Europe 2016, Brussels, Belgium, 3 – 7 Apr 2016
46. (invited) Reconfigurable nanomembrane metadevices
    E. Plum, J. Valente, J. Y. Ou, P. Cencillo-Abad, A. Karvounis, K. F. MacDonald, and N. I. Zheludev
    9th International Conference on Nanophotonics (ICNP 2016), Taipei, Taiwan, 21 – 25 Mar 2016
47. Plasmonic toplogical insualtors: an emerging platform for broadband tunable metamterials
    C.Soci, G. Adamo, J. Y. Ou, J. K. So, Z. Wang, S. Vezzoli, L. Wang, N. I. Zheludev
    Nanophotonics in Asia, Osaka, Japan, 10 – 11 Dec 2015
48. (invited) Nano-optomechanical dielectric metasurfaces reconfigurable with light
    A. Karvounis, J. Y. Ou, D. Piccinotti, W. Wu, E. Plum, K. F. MacDonald, and N. I. Zheludev
    Materials Research Society MRS 2015 Fall Meeting & Exhibit, Boston, MA, USA, 29 Nov – 4 Dec 2015
49. Ultra-smooth epitaxial gold/silver thin films for low-loss plasmonic metamaterials
    T. Uchino, T. Koiwa, V. A. Fedotov, and, J. Y. Ou
    Materials Research Society MRS 2015 Fall Meeting & Exhibit, Boston, MA, USA, 29 Nov – 4 Dec 2015
50. Single-crystal silver thin films for low-loss plasmonic metamaterials
    T. Koiwa, V. A. Fedotov, J. Y. Ou, and T. Uchino
    JSAP-OSA Joint Symposia 2015, Nagoya, Japan, 13 – 16 Sep 2015
51. Controlling light with light in nano-opto-mechanical metamaterial
    J. Y. Ou, E. Plum, and N. I. Zheludev
    Metamaterials 2015, Oxford, UK, 7 – 12 Sep 2015
52. Random access photonic metamaterials
    P. Cencillo-Abad, J. Y. Ou, J. Valente, E. Plum, and N. I. Zheludev
    Metamaterials 2015, Oxford, UK, 7 – 12 Sep 2015
53. (invited) Nanostructured photonic metamaterials reconfigurable with light, nanomechanical and electromagnetic forces
    J. Y. Ou, J. Valente, A. Karvounis, W. Wu, E. Plum, K. F. MacDonald, and N. I. Zheludev
    SPIE Optics & Photonics 2015, San Diego, CA, USA, 9 – 13 Aug 2015
54. Reconfigurable Gradient Metasurfaces With Random Access
    P. Cencillo-Abad, J. Y. Ou, J. Valente, E. Plum, N. I. ZheludevCLEO Europe – EQEC Munich, Germany 21-15 June
55. Tuneable Metamaterials Driven by Light
    J. Y. Ou, E. Plum, N. I. ZheludevCLEO Europe – EQEC Munich, Germany 21-15 June
56. (invited) Optical forces in plasmonic and dielectric metamaterials
    E. Plum, J. Y. Ou, A. Karvounis, W. Wu, K. F. MacDonald, and N. I. Zheludev
    META2015, New York, NY, USA, 4 – 7 Aug 2015
57. (poster) Light driven nonlinear plasmonic optomechanical metamaterialsJ.-Y. Ou, E. Plum, and N. I. Zheludev
    7th International Conference on Surface Plasmon Photonics (SPP7), Jerusalem, Israel 31 May – 5 June 2015
58. Nano-opto-mechanical nonlinear plasmonic metamaterials
    J. Y. Ou, E. Plum, N. I. Zheludev
    Nanometa 2015, Seefeld, Austria, 5 – 8 Jan 2015
59. (poster) Randomly addressable reconfigurable photonic metamaterials
    P. Cencillo-Abad, J. Y. Ou, J. Valente, E. Plum, N. I. Zheludev
    Nanometa 2015, Seefeld, Austria, 5 – 8 Jan 2015
60. Topological insulator BSTS as a broadband switchable metamaterial
    J. Y. Ou, J. K. So, G. Adamo, Z. Wang, J. Yin, S. Vezzoli, V. Nalla, L. Wang, C. Soci, N. I. Zheludev; [presenter: K. F. MacDonald]
    2014 MRS Fall Meeting, Boston, MA, USA, 30 Nov – 5 Dec 2014
61. (invited) Giant nonlinearities in plasmonic and dielectric reconfigurable metamaterials
    N. I. Zheludev, K. F. MacDonald, E. Plum, J. Y. Ou, J. Valente, A. Karvounis, W. Wu
    2014 MRS Fall Meeting, Boston, MA, USA, 30 Nov – 5 Dec 2014
62. Ultraviolet and visible plasmonic metamaterials made of topological insulator
    J. Y. Ou, J. K. So, G. Adamo, A. Sulaev, L. Wang, and N. I. Zheludev
    Photon14, London, 1 – 4 Sep 2014
63. (invited) Giant optical nonlinearity and magnetoelectric effect in reconfigurable plasmonic metamaterials
    E. Plum, J. Valente, J. Y. Ou, K. F. MacDonald, and N. I. Zheludev
    Metamaterials’2014, Copenhagen, Denmark, 25 – 30 Aug 2014
64. Metamaterial NEMS: giant optical nonlinearity and magnetoelectric effect
    J. Valente, J. Y. Ou, E. Plum, K. F. MacDonald, and N. I. Zheludev
    OMN2014 – International Conference on Optical MEMS and Nanophotonics, Glasgow, Scotland, 17 – 21 Aug 2014
65. Lorentz force metamaterial with giant optical magnetoelectric response
    J. Valente, J. Y. Ou, E. Plum, I. Youngs, and N. I. Zheludev
    CLEO:2014, San Jose, CA, USA, 8 – 13 Jun 2014
66. Controlling light with light in a plasmonic nanooptomechanical metamaterial
    J. Y. Ou, E. Plum, J. Zhang and N. I. Zheludev
    CLEO:2014, San Jose, CA, USA, 8 – 13 Jun 2014
67. UV & visible plasmonic metamaterials made of topological insulator
    J. Y. Ou, J. K. So, G. Adamo, A. Sulaev, L. Wang, and N. I. Zheludev
    CLEO:2014, San Jose, CA, USA, 8 – 13 Jun 2014
68. (invited) Plasmonics of topological insulators at UV-visible frequencies
    J. Y. Ou, J. K. So, G. Adamo, A. Sulaev, L. Wang, and N. I. Zheludev
    META’14, Singapore, 20 – 23 May 2014
69. (invited) Nanomechanical metamaterial light modulators
    E. Plum, J. Y. Ou, J. Valente, P. Cencillo-Abad, and N. I. Zheludev
    META’14, Singapore, 20 – 23 May 2014
70. Reconfigurable photonics metamaterials: nanoscale forces and giant magnetoelectric effect
    J. Valente, E. Plum, J. Y. Ou, and N. I. Zheludev
    DSTL Novel Electronic Materials PhD Theme Event, London, 17 Dec 2013
71. (poster) Reconfigurable photonics metamaterial: observation of a giant magnetoelectric effect
    J. Valente, E. Plum, J. Y. Ou, and N. I. Zheludev
    DSTL Novel Electronic Materials PhD Theme Event, London, 17 Dec 2013
72. Electrically controlled liquid crystal plasmonic metamaterials
    O. Buchnev, J. Y. Ou, M. Kaczmarek, N. I. Zheludev, and V. A. Fedotov
    Optics of Liquid Crystals 2013, Honolulu, Hawaii, 29 Sep – 4 Oct 2013
73. Switching near-IR metamaterial response with electrically-controlled liquid crystals
    O. Buchnev, J. Y. Ou, M. Kaczmarek, N. I. Zheludev, and V. A. Fedotov
    Conference on Liquid Crystals ECLC-2013, Rhodes, Greece, 22 – 27 Sep 2013
74. (keynote) Driving reconfigurable photonic metamaterials with light and electrical signals: exploiting forces and fields at the nanoscale
    N. I. Zheludev, E. Plum, K. F. MacDonald, J. Y. Ou, J. Zhang, J. Valente, W. M. Zhu, and A. Q. Liu
    Metamaterials’ 2013, Bordeaux, France, 16 – 19 Sep 2013
75. Electrically tunable liquid crystal plasmonic metamaterials
    O. Buchnev, J. Y. Ou, M. Kaczmarek, N. I. Zheludev, and V. A. Fedotov
    Metamaterials’ 2013, Bordeaux, France, 16 – 19 Sep 2013
76. (invited) Reconfigurable photonic metamaterials driven by Coulomb, Lorentz and optical forces
    E. Plum, J. Y. Ou, J. Valente, and N. I. Zheludev
    International Conference on Nanomaterials 2013 (ICN 2013), London, Ontario, Canada, 12 – 16 Aug 2013
77. Nanoscale MoS2 thin films fabricated by atmospheric pressure chemical vapour deposition at ambient temperature
    C. C. Huang, F. Al-Saab, Y. Wang, J. Y. Ou, B. Gholipour, D. W. Hewak
    International Conference on Materials for Advanced Technologies (ICMAT 2013), Singapore. 30 Jun – 05 Jul 2013
78. (invited) Amplifying free-electron evanescent fields
    J. K. So, J. Y. Ou, G. Adamo, F. J. G. de Abajo, K. F. MacDonald, and N. I. Zheludev
    SPP6, Ottawa, Canada, 26 – 31 May 2013
79. Reconfigurable metamaterials controlled by Lorentz, Ampere and Coulomb forces: towards GHz bandwidth
    J. Valente, E. Plum, J. Y. Ou, and N. I. Zheludev
    CLEO/Europe – IQEC 2013, Munich, Germany, 12 – 16 May 2013
80. Tunable light emission in reconfigurable plasmonic metamaterials
    G. Adamo, W. T. Chen, E. Plum, J. Y. Ou, J. K. So, D. P. Tsai, and N. I. Zheludev
    CLEO/Europe – IQEC 2013, Munich, Germany, 12 – 16 May 2013
81. Electrically controlled liquid crystal plasmonic metamaterials
    O. Buchnev, J. Y. Ou, M. Kaczmarek, N.I. Zheludev, and V. A. Fedotov
    CLEO/Europe – IQEC 2013, Munich, Germany, 12 – 16 May 2013
82. Optical magnetism in all-dielectric metamaterials
    J. Zhang, J. Y. Ou, K. F. MacDonald, and N. I. Zheludev
    CLEO/Europe – IQEC 2013, Munich, Germany, 12 – 16 May 2013
83. (poster) Plasmonic amplifier of the evanescent field of free electrons
    J. K. So, J. Y. Ou, G. Adamo, F. J. Garcıa de Abajo, K.F. MacDonald, and N. I. Zheludev
    CLEO/Europe – IQEC 2013, Munich, Germany, 12 – 16 May 2013
84. (invited) Plasmonic amplification of free-electron evanescent fields
    J. K. So, J. Y. Ou, G. Adamo, J. G. de Abajo, K. F. MacDonald, and N. I. Zheludev
    IPS Meeting 2013, Singapore, 4 – 6 Mar 2013
85. (invited) Nanomechanical control of metamaterial optical properties
    E. Plum, J. Y. Ou, J. Valente, J. Zhang and N. I. Zheludev
    IPS Meeting 2013, Singapore, 4 – 6 Mar 2013
86. (invited) Reconfiguring photonic metamaterials with electromagnetic forces
    E. Plum, J. Y. Ou, J. Valente, J. Zhang, and N. I. Zheludev
    Nanometa 2013, Seefeld, Austria, 3 – 6 Jan 2013
87. Amplifying the evanescent field of free electrons
    J. K. So, J. Y. Ou, G. Adamo, F. J. G. de Abajo, K. F. MacDonald, and N. I. Zheludev
    Nanometa 2013, Seefeld, Austria, 3 – 6 Jan 2013
88. Optical magnetic response in all-dielectric metamaterial
    J. Zhang, J. Y. Ou, R. Chen, M. D. B. Charlton, K. F. MacDonald,and N. I. Zheludev
    Nanometa 2013, Seefeld, Austria, 3 – 6 Jan 2013
89. (poster) Electrically controlled liquid-crystal cell enhanced with plasmonic metamaterial
    O. Buchnev, J. Y. Ou, M. Kaczmarek, N. I. Zheludev, V. A. Fedotov
    Nanometa 2013, Seefeld, Austria, 3 – 6 Jan 2013
90. (invited) Reconfiguring photonic metamaterials
    E. Plum, J. Y. Ou, J. Valente, J. Zhang, and N. I. Zheludev
    Sino-UK Workshop on Nanophotonics and Metamaterials, Beijing, China, 7 – 8 Dec 2012
91. Sub-wavelength focusing of high intensities in microfibre tips
    G. Brambilla, M. Ding, J. Y. Ou, N. Sessions, Y. Jung, O. Fenwick, F. Di Stasio, F. Cacialli, J-L. Kou and F. XuIEEE 3rd International Conference on Photonics, Penang, Malaysia, 1-3 Oct. 2012
92. Fabrication of chalcogenide and emerging materials by novel CVD technology
    C. C. Huang, F. Al-Saab, B. Gholipour, J. Y. Ou, D. W. Hewak
    Manufacturing The Future Conference (MTFC) 2012, United Kingdom. 19 – 20 Sep 2012
93. (invited) Coherent light emission from planar plasmonic metamaterials
    G. Adamo, J. Y. Ou, J. K. So, M. Ren, E. Plum, E. T. F. Rogers, K. F. MacDonald, J. Xu, N. I. Zheludev
    CLEO:2012, San Jose, United States, 06 – 11 May 2012
94. Amplification of the evanescent field of free electrons
    J. K. So, J. Y. Ou, G. Adamo, K. F. MacDonald, J. G. de Abajo, N. I. Zheludev
    CLEO:2012, San Jose, United States, 06 – 11 May 2012
95. (poster) MHz bandwidth electro-optical modulator based on a reconfigurable photonic metamaterial
    J. Y. Ou, E. Plum, N. I. Zheludev
    CLEO:2012, San Jose, United States, 06 – 11 May 2012
96. (invited) A new way of reducing plasmonic losses
    V. A. Fedotov, J. Y. Ou, N. I. Zheludev
    META’12, Paris, France, 19 – 22 Apr 2012
97. (poster) Coherent emission from plasmonic metamaterials
    G. Adamo, J. Y. Ou, J. K. So, S. D. Jenkins, K. F. MacDonald, F. De Angelis, E. Di Fabrizio, J. Ruostekoski, N. I. Zheludev
    SPIE Photonics Europe, Brussels, Belgium, 16 – 19 Apr 2012
98. (poster) Nano-electro-mechanical switchable (NEMS) photonic metamaterial
    J. Y. Ou, E. Plum, W. T. Chen, D. P. Tsai, N. I. Zheludev
    SPIE Photonics Europe, Brussels, Belgium, 16 – 19 Apr 2012
99. (poster) Amplification of the evanescent field of free electrons
    J. K. So, J. Y. Ou, G. Adamo, K. F. MacDonald, F. J. Garcia de Abajo, N. I. Zheludev
    SPIE Photonics Europe, Brussels, Belgium, 16 – 19 Apr 2012
100. (poster) Frequency selective reflectors, magnetic walls and perfect optical absorbers based on new classes of metal and dielectric-loaded relief metamaterials
     J. Zhang, J. Y. Ou, T. Uchino, K. F. MacDonald, and N. I. Zheludev
     Metamaterials 2011, Barcelona, Spain, 10 – 15 Oct 2011
101. Nano-electromechanical switchable photonic metamaterials
     J. Y. Ou, E. Plum, L. Jiang, and N. I. Zheludev
     Metamaterials 2011, Barcelona, Spain, 10 – 15 Oct 2011
102. Giant femtosecond optical nonlinearity of gold metamaterial nanostructures
     M. Ren, B. Jia, J. Y. Ou, E. Plum, K. F. MacDonald, A. E. Nikolaenko, J. J. Xu, M. Gu, and N. I. Zheludev
     Metamaterials 2011, Barcelona, Spain, 10 – 15 Oct 2011
103. (invited) Functional photonic metamaterials
     M. Ren, J. Y. Ou, B. Jia, E. Plum, J. Zhang, L. Jiang, A. Nikolaenko, J. J. Xu, M. Gu, K. F. MacDonald, and N. I. Zheludev
     IEEE Photonics 2011, Arligton, VA, USA, 09 – 13 Oct 2011
104. (invited) Manipulating light with photonic metamaterials
     J. Y. Ou, T. S. Kao, J. Zhang, E. Plum, K. F. MacDonald, and N. I. Zheludev
     SPIE Optics & Photonics 2011, San Diego, CA, USA, 21-25 Aug 2011
105. (keynote) Reconfigurable Photonic Metamaterials
     J. Y. Ou, E. Plum, L. Jiang, and N. I. Zheludev
     ICMAT 2011, Suntec, Singapore, 26 Jun – 01 Jul 2011
106. Electron-beam-driven nanoscale metamaterial light
     G. Adamo, J. Y. Ou, K. F. MacDonald, F. De Angelis, E. Di Fabrizio, and N. I. Zheludev
     CLEO/Europe – EQEC 2011, Munich, Germany, 22-26 May 2011
107. Reconfigurable Nanostructured Photonic Metamaterials
     J. Y. Ou, E. Plum, L. Jiang, and N. I. Zheludev
     CLEO/Europe – EQEC 2011, Munich, Germany, 22-26 May 2011
108. Printing of amorphous and crystalline materials pre-machined using focussed ion beam patterning
     C. Sones, K. Kaur, M. Feinaeugle, J. Y. Ou, K. Sloyan, T. May-Smith, Fabio. Di Pietrantonio, E. Verona, and R. EasonCLEO/Europe – EQEC 2011, Munich, Germany, 22-26 May 2011
109. Laser-Induced Forward Transfer of Pre-Machined Donor Films
     Kamal Kaur, Matthias Feinaeugle, David P. Banks, Jun-Yu Ou, F.Di Pietrantonio, E. D. Verona, Collin Sones, and Robert W. Eason
     CLEO/QELS 2011, Baltimore, Maryland, US, 1-6 May 2011
110. Reconfigurable Photonic Metamaterials
     J. Y. Ou, E. Plum, L. Jiang, and N. I. Zheludev; [presenter: S. Savo]
     CLEO/QELS 2011, Baltimore, Maryland, US, 1-6 May 2011
111. (invited) Metamaterials: novel functionalities and meta-molecular interactions
     E. Plum, J. Y. Ou, K. Tanaka, G. Adamo, A. Nikolaenko, and N. I. Zheludev
     UKIERI Workshop, Aurangabad, Maharashtra, India, 14 – 16 Apr 2011
112. Intaglio and Bas-Relief Metamaterials: controlling the Colour of Metals
     J. Zhang, J. Y. Ou, N. Papasimakis, Y. Chen, K. F. MacDonald, and N. I. Zheludev
     NANOMETA 2011, Seefeld, Austria, 3-6 Jan 2011
113. (poster) Reconfigurable Photonic Metamaterials
     J. Y. Ou, E. Plum, L. Jiang, and N. I. Zheludev
     NANOMETA 2011, Seefeld, Austria, 3-6 Jan 2011
114. (poster) The Super-oscillating Superlens
     E. T. F. Rogers, T. Roy, T. S. Kao, J. Y. Ou, V. Savinov, S. Sano, J. Lindberg, M. R. Dennis, and N. I. Zheludev
     NANOMETA 2011, Seefeld, Austria, 3-6 Jan 2011
115. Multi-fold quantum dot luminescence enhancement in a plasmonic metamaterial
     K. Tanaka, E. Plum, J. Y. Ou, T. Uchino, and N. I. Zheludev
     NANOMETA 2011, Seefeld, Austria, 3-6 Jan 2011
116. Efficient light confinement to λ/10 spot sizes in optical fibre tips
     M. Ding, J. Y. Ou, N. P. Sessions, Y. Jung, G. Brambilla9th International Conference on Optical Communications and Networks (ICOCN 2010) Nanjing, China, 24-27 Oct. 2010
117. Direct Current Effect on the Magnetization Reversal of Microstructured CIP Spin Valves
     C. Y. Kuo, C. T. Chao, J. Y. Ou, L. Horng, T. H. Wu, M. Tsunoda, M. Takahashi, …AMC 2008 Asian Magnetics Conference, Busan, Korea, December 10–13, 2008
118. Controllable sub-100nm magnetic multilayer devices via stencil mask technique
     J. Y. Ou, M. Y. Kao, L Horng, JC WuNSTI Nanotech, Boston, MA, USA June 1-5, 2008
119. Fabrication of Microstructured Magnetic Arrays Using Si₃N₄ Membrane Mask
     J. Y. Ou, C. T. Chao, I. C. Lo, J. C. Wu
     APS March Meeting 2005, Los Angeles, CA, USA, 21–25 March 2005
120. An approach to transport measurement of gold nanoparticles chain
     J. Y. Ou, W. C. Lyu, J. C. Wu
     APS March Meeting 2004, Montreal, Quebec, Canada, 22-26 March 2004
121. Soft X‐Ray Photoemission Electron Microscopy Station with Polarized Radiation
     D. H. Wei, Y. J. Hsu, G. C. Yin, Y. S. Wu, S. C. Chuang, K. L. Tsang, J. Y. Ou, J. C. Wu8th International Conference on Synchrotron Radiation Instrumentation  San Francisco, CA, USA, 25-29 Aug 2003.