By Associate Professor David Anthony Powell

Journal articles

Liu M; Fan K; Padilla W; Powell DA; Zhang X; Shadrivov IV, 2016, 'Tunable Meta-Liquid Crystals', Advanced Materials, 28, pp. 1553 - 1558, http://dx.doi.org/10.1002/adma.201504924

Liu L; Zarate Y; Hattori HT; Neshev DN; Shadrivov IV; Powell DA, 2016, 'Terahertz focusing of multiple wavelengths by graphene metasurfaces', Applied Physics Letters, 108, http://dx.doi.org/10.1063/1.4940231

Matsui T; Inose Y; Powell DA; Shadrivov IV, 2016, 'Electroactive Tuning of Double-Layered Metamaterials Based on π-Conjugated Polymer Actuators', Advanced Optical Materials, 4, pp. 135 - 140, http://dx.doi.org/10.1002/adom.201500276

Slobozhanyuk AP; Ginzburg P; Powell DA; Iorsh I; Shalin AS; Segovia P; Krasavin AV; Wurtz GA; Podolskiy VA; Belov PA; Zayats AV, 2015, 'Purcell effect in hyperbolic metamaterial resonators', Physical Review B - Condensed Matter and Materials Physics, 92, http://dx.doi.org/10.1103/PhysRevB.92.195127

Kruk SS; Poddubny AN; Powell DA; Helgert C; Decker M; Pertsch T; Neshev DN; Kivshar YS, 2015, 'Polarization properties of optical metasurfaces of different symmetries', Physical Review B - Condensed Matter and Materials Physics, 91, http://dx.doi.org/10.1103/PhysRevB.91.195401

Rusak E; Staude I; Decker M; Sautter J; Miroshnichenko AE; Powell DA; Neshev DN; Kivshar YS, 2014, 'Hybrid nanoantennas for directional emission enhancement', Applied Physics Letters, 105, http://dx.doi.org/10.1063/1.4903219

Liu L; Chen WC; Powell DA; Padilla WJ; Karouta F; Hattori HT; Neshev DN; Shadrivov IV, 2014, 'Post-processing approach for tuning multi-layered metamaterials', Applied Physics Letters, 105, pp. 151102-1 - 151101-4, http://dx.doi.org/10.1063/1.4897949

Powell DA, 2014, 'Resonant dynamics of arbitrarily shaped meta-atoms', Physical Review B - Condensed Matter and Materials Physics, 90, pp. 075108, http://dx.doi.org/10.1103/PhysRevB.90.075108

Liu M; Powell DA; Shadrivov IV; Lapine M; Kivshar YS, 2014, 'Spontaneous chiral symmetry breaking in metamaterials', Nature Communications, 5, http://dx.doi.org/10.1038/ncomms5441

Matsui T; Liu M; Powell DA; Shadrivov IV; Kivshar YS, 2014, 'Electromagnetic tuning of resonant transmission in magnetoelastic metamaterials', Applied Physics Letters, 104, http://dx.doi.org/10.1063/1.4873936

Hannam K; Powell DA; Shadrivov IV; Kivshar YS, 2014, 'Broadband chiral metamaterials with large optical activity', Physical Review B - Condensed Matter and Materials Physics, 89, http://dx.doi.org/10.1103/PhysRevB.89.125105

Slobozhanyuk AP; Kapitanova PV; Filonov DS; Powell DA; Shadrivov IV; Lapine M; Belov PA; McPhedran RC; Kivshar YS, 2014, 'Nonlinear interaction of meta-atoms through optical coupling', Applied Physics Letters, 104, http://dx.doi.org/10.1063/1.4861388

Rose A; Powell DA; Shadrivov IV; Smith DR; Kivshar YS, 2013, 'Circular dichroism of four-wave mixing in nonlinear metamaterials', Physical Review B - Condensed Matter and Materials Physics, 88, http://dx.doi.org/10.1103/PhysRevB.88.195148

Liu L; Shadrivov IV; Powell DA; Raihan R; Hattori HT; Decker M; Mironov E; Neshev DN, 2013, 'Temperature control of terahertz metamaterials with liquid crystals', IEEE Transactions on Terahertz Science and Technology, 3, pp. 827 - 831, http://dx.doi.org/10.1109/TTHZ.2013.2285570

Slobozhanyuk AP; Lapine M; Powell DA; Shadrivov IV; Kivshar YS; McPhedran RC; Belov PA, 2013, 'Flexible helices for nonlinear metamaterials', Advanced Materials, 25, pp. 3409 - 3412, http://dx.doi.org/10.1002/adma.201300840

Liu M; Powell DA; Shadrivov IV; Lapine M; Kivshar YS, 2013, 'Self-oscillations in nonlinear torsional metamaterials', New Journal of Physics, 15, http://dx.doi.org/10.1088/1367-2630/15/7/073036

Liu M; Sun Y; Powell DA; Shadrivov IV; Lapine M; McPhedran RC; Kivshar YS, 2013, 'Nonlinear response via intrinsic rotation in metamaterials', Physical Review B - Condensed Matter and Materials Physics, 87, http://dx.doi.org/10.1103/PhysRevB.87.235126

Hannam K; Powell DA; Shadrivov IV; Kivshar YS, 2013, 'Dispersionless optical activity in metamaterials', Applied Physics Letters, 102, http://dx.doi.org/10.1063/1.4807438

Khodasevych IE; Shadrivov IV; Powell DA; Rowe WST; Mitchell A, 2013, 'Pneumatically switchable graded index metamaterial lens', Applied Physics Letters, 102, http://dx.doi.org/10.1063/1.4788918

Liu M; Powell DA; Shadrivov IV, 2012, 'Chiral meta-atoms rotated by light', Applied Physics Letters, 101, http://dx.doi.org/10.1063/1.4737441

Kruk SS; Powell DA; Minovich A; Neshev DN; Kivshar YS, 2012, 'Spatial dispersion of multilayer fishnet metamaterials', Optics Express, 20, pp. 15100 - 15105, http://dx.doi.org/10.1364/OE.20.015100

Minovich A; Farnell J; Neshev DN; McKerracher I; Karouta F; Tian J; Powell DA; Shadrivov IV; Hoe Tan H; Jagadish C; Kivshar YS, 2012, 'Liquid crystal based nonlinear fishnet metamaterials', Applied Physics Letters, 100, http://dx.doi.org/10.1063/1.3695165

Liu M; Powell DA; Shadrivov IV; Kivshar YS, 2012, 'Optical activity and coupling in twisted dimer meta-atoms', Applied Physics Letters, 100, http://dx.doi.org/10.1063/1.3694269

Hannam KE; Powell DA; Shadrivov IV; Kivshar YS, 2012, 'Tuning the nonlinear response of coupled split-ring resonators', Applied Physics Letters, 100, http://dx.doi.org/10.1063/1.3689775

Lapine M; Shadrivov IV; Powell DA; Kivshar YS, 2012, 'Magnetoelastic metamaterials', Nature Materials, 11, pp. 30 - 33, http://dx.doi.org/10.1038/nmat3168

Rosanov NN; Vysotina NV; Shatsev AN; Shadrivov IV; Powell DA; Kivshar YS, 2011, 'Discrete dissipative localized modes in nonlinear magnetic metamaterials', Optics Express, 19, pp. 26500 - 26506, http://dx.doi.org/10.1364/OE.19.026500

Liu XX; Powell DA; Alù A, 2011, 'Correcting the Fabry-Perot artifacts in metamaterial retrieval procedures', Physical Review B - Condensed Matter and Materials Physics, 84, http://dx.doi.org/10.1103/PhysRevB.84.235106

Lapine M; Shadrivov IV; Powell DA; Kivshar YS, 2011, 'Metamaterials with conformational nonlinearity', Scientific Reports, 1, pp. 138, http://dx.doi.org/10.1038/srep00138

Zhu W; Shadrivov I; Powell D; Kivshar Y, 2011, 'Hiding in the corner', Optics Express, 19, pp. 20827 - 20832, http://dx.doi.org/10.1364/OE.19.020827

Powell DA; Hannam K; Shadrivov IV; Kivshar YS, 2011, 'Near-field interaction of twisted split-ring resonators', Physical Review B - Condensed Matter and Materials Physics, 83, http://dx.doi.org/10.1103/PhysRevB.83.235420

Somerville WRC; Powell DA; Shadrivov IV, 2011, 'Second harmonic generation with zero phase velocity waves', Applied Physics Letters, 98, http://dx.doi.org/10.1063/1.3580616

Shadrivov IV; Fedotov VA; Powell DA; Kivshar YS; Zheludev NI, 2011, 'Electromagnetic wave analogue of an electronic diode', New Journal of Physics, 13, http://dx.doi.org/10.1088/1367-2630/13/3/033025

Ha S; Sukhorukov AA; Lavrinenko AV; Shadrivov IV; Powell DA; Kivshar YS, 2011, 'Observation of tunneling of slow and fast electromagnetic modes in coupled periodic waveguides', Applied Physics Letters, 98, http://dx.doi.org/10.1063/1.3553785

Minovich A; Neshev DN; Powell DA; Kivshar YS, 2010, 'Influence of the substrate on negative index fishnet metamaterials', Optics Communications, 283, pp. 4770 - 4774, http://dx.doi.org/10.1016/j.optcom.2010.06.098

Powell DA; Lapine M; Gorkunov MV; Shadrivov IV; Kivshar YS, 2010, 'Metamaterial tuning by manipulation of near-field interaction', Physical Review B - Condensed Matter and Materials Physics, 82, http://dx.doi.org/10.1103/PhysRevB.82.155128

Powell DA; Kivshar YS, 2010, 'Substrate-induced bianisotropy in metamaterials', Applied Physics Letters, 97, http://dx.doi.org/10.1063/1.3486480

Minovich A; Neshev DN; Powell DA; Shadrivov IV; Kivshar YS, 2010, 'Tunable fishnet metamaterials infiltrated by liquid crystals', Applied Physics Letters, 96, http://dx.doi.org/10.1063/1.3427429

Minovich A; Neshev DN; Powell D; Shadrivov I; Lapine M; McKerrarcher I; Hattori HT; Tan HH; Jagadish C; Kivshar YS, 2010, 'Tilted response of fishnet metamaterials at near-infrared optical wavelengths', Physical Review - Section B - Condensed Matter, 81, pp. 115109-1 - 115109-6, http://dx.doi.org/10.1103/PhysRevB.81.115109

Powell DA; Shadrivov IV; Kivshar YS, 2009, 'Nonlinear electric metamaterials', Applied Physics Letters, 95, http://dx.doi.org/10.1063/1.3212726

Lapine M; Powell D; Gorkunov M; Shadrivov I; Marqús R; Kivshar Y, 2009, 'Structural tunability in metamaterials', Applied Physics Letters, 95, http://dx.doi.org/10.1063/1.3211920

Powell DA; Alù A; Edwards B; Vakil A; Kivshar YS; Engheta N, 2009, 'Nonlinear control of tunneling through an epsilon-near-zero channel', Physical Review B - Condensed Matter and Materials Physics, 79, http://dx.doi.org/10.1103/PhysRevB.79.245135

Powell DA; Shadrivov IV; Kivshar YS, 2009, 'Asymmetric parametric amplification in nonlinear left-handed transmission lines', Applied Physics Letters, 94, http://dx.doi.org/10.1063/1.3089842

Sukhorukov AA; Ha S; Shadrivov IV; Powell DA; Kivshar YS, 2009, 'Dispersion extraction with near-field measurements in periodic waveguides', Optics Express, 17, pp. 3716 - 3721, http://dx.doi.org/10.1364/OE.17.003716

Powell DA; Shadrivov IV; Kivshar YS, 2008, 'Cut-wire-pair structures as two-dimensional magnetic metamaterials', Optics Express, 16, pp. 15185 - 15190, http://dx.doi.org/10.1364/OE.16.015185

Powell DA; Shadrivov IV; Kivshar YS, 2008, 'Multistability in nonlinear left-handed transmission lines', Applied Physics Letters, 92, http://dx.doi.org/10.1063/1.2955531

Powell DA, 2008, 'The sub-wavelength imaging performance of disordered wire media', Physics Letters, Section A: General, Atomic and Solid State Physics, 372, pp. 3919 - 3921, http://dx.doi.org/10.1016/j.physleta.2008.02.080

Powell DA; Shadrivov IV; Kivshar YS; Gorkunov MV, 2007, 'Self-tuning mechanisms of nonlinear split-ring resonators', Applied Physics Letters, 91, http://dx.doi.org/10.1063/1.2794733

Sadek AZ; Baker CO; Powell DA; Wlodarski W; Kaner RB; Kalantar-Zadeh K, 2007, 'Polyaniline nanofiber based surface acoustic wave gas sensors-effect of nanofiber diameter on H2 response', IEEE Sensors Journal, 7, pp. 213 - 218, http://dx.doi.org/10.1109/JSEN.2006.883769

Powell DA; Kalantar-zadeh K; Wlodarski W, 2007, 'Spatial sensitivity distribution of surface acoustic wave resonator sensors', IEEE Sensors Journal, 7, pp. 204 - 212, http://dx.doi.org/10.1109/JSEN.2006.882779

Shadriviv IV; Powell DA; Morrison SK; Kivshar YS; Milford G, 2007, 'Scattering of Electromagnetic waves in metamaterial superlattices', Applied Physics Letters, 90, pp. 201919-1 - 201919-3

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