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Browsing 02 Physical Sciences by Title

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  • Guenneau, Sebastien; Poulton, Christopher; Movchan, Alexander (Royal Society, 2003)
    This paper presents analysis of electromagnetic and elastodynamic waves propagating through a doubly periodic array of cylindrical channels in oblique incidence. A new method, based on a multipole scattering approach, has ...
  • Coleman, V; Buda, M; Tan, Hark; Jagadish, Chennupati; Koike, K; Sasa, S; Inoue, M; Yano, M; Phillips, Matt (IOP Publishing Ltd, 2006)
    Implantation with low-energy (80 keV) oxygen ions and subsequent rapid thermal annealing at 800 degrees C are used to induce intermixing in a stack of 19 ZnO/Zn0.7Mg0.3O multiple quantum wells grown oil sapphire by molecular ...
  • Pant, R; Li, Eb; Poulton, Christopher; Choi, Dy; Madden, S; Luther-Davies, B; Eggleton, Bj (Optical Soc Amer, 2013)
    We report demonstration of a Brillouin dynamic grating (BDG) in a photonic chip. A BDG was characterized in a 6.5 cm long chalcogenide (As2S3) rib waveguide using CW pumps in x polarization and read using a CW probe in y ...
  • Coleman, Va; Bradby, Jodie; Jagadish, Chennupati; Phillips, Matt (Amer Inst Physics, 2006)
    The influence of spherical nanoindentation on the band edge and deep level emission of single crystal c-axis ZnO has been studied by cathodoluminescence (CL) spectroscopy and monochromatic imaging. Excitonic emission is ...
  • Cox, Laurence; Logan, Peter; Cobbin, Deirdre (IDP Education Australia, 2002)
  • Gao, Feng; Pant, R; Li, Eb; Poulton, Christopher; Choi, Dy; Madden, Steve; Luther-Davies, Barry; Eggleton, Benjamin (Optical Soc Amer, 2013)
    We report the first demonstration of a photonic-chip laser frequency sensor using Brillouin mutually-modulated cross-gain modulation (MMXGM). A large sensitivity (~9.5 mrad/kHz) of the modulation phase shift to probe carrier ...
  • Pant, R; Poulton, Christopher; Choi, Dy; Mcfarlane, H; Hile, S; Li, E; Thevenaz, L; Luther-Davies, Barry; Madden, Steve; Eggleton, Benjamin (Optical Soc Amer, 2011)
    We demonstrate on-chip stimulated Brillouin scattering (SBS) in an As2S3 chalcogenide rib waveguide. SBS was characterized in a 7cm long waveguide with a cross-section 4#gm x 850nm using the backscattered signal and ...
  • Rahmani, Adel; Chaumet, Patrick; Bryant, Garnett (Chicago journals, 2004)
    We investigate the influence of local-field effects on the electromagnetic response of a collection of dipoles. We derive the local-field corrected static polarizability for a collection of dipoles in the case of a scatterer ...
  • Mcphedran, Ross; Zucker, Ij; Botten, Lindsay; Nicorovici, Nicolae (Royal Soc, 2008)
    We consider a general class of two-dimensional lattice sums consisting of complex powers s of inverse quadratic functions. We consider two cases, one where the quadratic function is negative definite and another more ...
  • Gentle, Angus; Maaroof, Abbas; Cortie, Michael; Smith, Geoff (SPIE, 2007)
    Vanadium dioxide udergoes a reversible metal-insulator phase transition at about 68 degrees C. Cooatings iof this compound are reflective in the infrared above this temperature, and transmissive or absorptive below it, ...
  • Chaumet, Patrick; Rahmani, Adel (American Physical Society, 2013)
    We present a theoretical and numerical study of the optical binding and optical torque between two Rayleigh particles with arbitrary, complex, scalar dielectric permittivity and magnetic permeability. We use a computational ...
  • Chaumet, Patrick; Rahmani, Adel; Zolla, Frederic; Nicolet, Andre; Belkebir, Kamal (American Physical Society, 2011)
    We study, in time domain, the exchange of momentum between an electromagnetic pulse and a threedimensional, discrete, spherical invisibility cloak.We find that a discrete cloak, initially at rest, would experience an ...
  • Chaumet, Patrick; Belkebir, Kamal; Rahmani, Adel (American Physical Society, 2010)
    We develop a general theoretical and computational framework to describe, in time domain, the exchange of momentum between light and arbitrary three-dimensional objects. Our fonnulation can be used to study the time ...
  • Blaber, Martin; Arnold, Matthew; Ford, Mike (IOP Publishing, 2009)
    First principles calculations have been used to predict the optical properties for a range of intermetallic compounds for which little or no experimental optical data are currently available. Density functional theory ...
  • Godlewski, M.; Wojcik-Glodowska, A.; Guziewicz, E.; Yatsunenko, S.; Zakrzewski, A.; Dumont, Y.; Chikoidze, E.; Phillips, Matt (Elsevier, 2009)
    Optical properties of ZnMnO layers grown at low temperature by Atomic Layer Deposition and Metalorganic Vapor Phase Epitaxy are discussed and compared to results obtained for ZnMnS samples. Present results suggest a double ...
  • Maaroof, Abbas; Cortie, Michael; Smith, Geoff (Iop Publishing Ltd, 2005)
    Mesoporous gold thin films on glass substrates were fabricated by sputtering of AuAl2 precursor films followed by a de-alloying etch. The resulting sponge-like Au films have very high internal surface area due to nanoscale ...
  • Zhu, Shaoli; Zhou, Wei (Springer (India) Private Ltd., 2011)
    The shape of nanostructure array is one of the important parameters for the nanobiosensor applications. In this paper, we focus on the optical properties of silver pentagram nanostructure arrays based on localized ...
  • Sotelo, J.; Ederth, J.; Niklasson, G. (American Physical Society, 2003)
    We extend the Mayadas and Shatkes’s approach [Phys. Rev. B 1, 1382 (1970)] to study the optical properties of polycrystalline metal thick films in the visible and far infrared range of the spectrum. We show that in ...
  • Liu, Jian; Mcbean, Katie; Harris, Nadine; Cortie, Michael (Elsevier Science Sa, 2007)
    Suspensions of mesoscale gold half-shells of controlled size were produced by microsphere-templated vapour deposition and their optical proper-ties were studied. The transmission spectra of the particles exhibited an ...
  • Maaroof, Abbas; Smith, Geoff (Elsevier, 2004)
    Thin metal films which contain nano-size pores yield higher than expected transmittance and larger than expected times for transmission of near infra red radiation. An optically equivalent layer with complex refractive ...