Browsing 02 Physical Sciences by Title

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Browsing 02 Physical Sciences by Title

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  • Botten, Lindsay; Nicorovici, Nicolae; Mcphedran, Ross; De Sterke, C; Asatryan, Ara (American Physical Society, 2001)
  • Byrnes, Adam; Pant, R; Li, Eb; Choi, Dy; Poulton, Christopher; Fan, Sh; Madden, Steve; Luther-Davies, Barry; Eggleton, Benjamin (Optical Soc Amer, 2012)
    We report the first demonstration of a photonic chip based dynamically reconfigurable, widely tunable, narrow pass-band, high Q microwave photonic filter (MPF). We exploit stimulated Brillouin scattering (SBS) in a 6.5 cm ...
  • Pant, R; Byrnes, Andrew; Poulton, Christopher; Li, E; Choi, Dy; Madden, Steve; Luther-Davies, Barry; Eggleton, Benjamin (Optical Soc Amer, 2012)
    We report the first (to our knowledge) demonstration of photonic chip based tunable slow and fast light via stimulated Brillouin scattering. Slow, fast, and negative group velocities were observed in a 7 cm long chalcogenide ...
  • Botten, Lindsay; White, Tom; De Sterke, C; Mcphedran, Ross; Asatryan, Ara; Langtry, Tim (Optical Society o America, 2004)
    A rigorous semi-analytic approach to the modelling of coupling guiding and propagation in complex microstructures embedded in two-dimensional photonic crystals is presented. The method, which is based on Bloch mode expansions ...
  • Chaumet, Patrick; Rahmani, Adel; Nieto-Vesperinas, Manuel (American Physical Society, 2005)
    We present a detailed study of the optical trapping and manipulation of nanoparticles with complex permittivity using an apertureless near-field probe. We use a three-dimensional, self-consistent description of the ...
  • Aharonovich, Igor; Castelletto, S.; Simpson, D.; Greentree, A.; Prawer, S. (American Physical Society, 2010)
    A detailed study of the photophysical properties of several chromium-related color centers produced within chemical vapor deposition diamond is presented. These emitters show narrow luminescence lines in the range of ...
  • Dowd, Annette; Llewellyn, David; Elliman, Robert; Luther-Davies, Barry; Samoc, Marek; Fitz Gerald, John (Elsevier Inc, 2001)
    Ge nanocrystals formed in silica by implantation with 1.0 MeV Ge ions and subsequent annealing at 1100A?C were characterised by transmission electron microscopy and Raman spectroscopy. The nanocrystals were found to be ...
  • Blaber, Martin; Cortie, Michael; Ford, Mike (CRC Press, 2010)
    Although gold is well down on the periodic table, at position 79, it was the first of the metals to be discovered and exploited by humans. This was almost certainly as a result of it possessing four unique attributes: a ...
  • Balakrishnan, A.; Charbonneau, S.; Cheben, P.; Cloutier, M.; Dossou, Kokou; Delage, Andre; Erickson, L.; Gao, M.; Krug, P.; Lamontagne, B.; Packirisamy, Muthukumaran; Pearson, Matthew; Xu, D. (IEEE Publications, 2004)
    Silica planar waveguide echelle grating demultiplexers with 48 channels and 256 channels are described and demonstrated. Polarization effects due to stress birefringence and polarization-dependent grating efficiency have ...
  • Chen, Parry; Byrne, Michelle; Asatryan, Ara; Botten, Lindsay; Dossou, Kokou; Tuniz, A; Mcphedran, Ross; De Sterke, C; Poulton, Christopher; Steel, Michael (Taylor & Francis Ltd, 2012)
    The optical properties of photonic crystal slabs are often simulated with general three-dimensional methods such as finite-difference time-domain. Here we develop a multipole modal method, which is specialized to exploit ...
  • Blaber, Martin; Arnold, Matthew; Harris, Nadine; Cortie, Michael; Ford, Mike (Elsevier Science Bv, 2007)
    The optical absorption for nanospheres made from Na, K, At, Ag and An are compared as a precursor to choosing the ideal metal for use in a negative permittivity (NP) near-field superlens. The relationship between optical ...
  • Frederiksen, Maj; Bochenkov, Vladimir; Cortie, Michael; Sutherland, Duncan (American Chemical Society, 2013)
    Large-area arrays of dispersed multilayer gold-dielectric nanocups were fabricated by colloidal lithography and studied by extinction spectroscopy. Hybridization of the elemental plasmons of the individual nanocups gave ...
  • Frederiksen, Maj; Bochenkov, Vladimir; Sutherland, Duncan; Cortie, Michael (American Chemical Society, 2013)
    Large-area arrays of dispersed multilayer gold-dielectric nanocups were fabricated by colloidal lithography and studied by extinction spectroscopy. Hybridization of the elemental plasmons of the individual nanocups gave ...
  • Cortie, Michael; Harris, Nadine; Ford, Mike (Elsevier Science Bv, 2007)
    Gold nanoparticles manifest one or more plasmon resonances, resulting in enhanced absorption and scattering of light at the resonant frequencies. The absorbed light is converted to heat. Here we analyze how the resulting ...
  • Harris, Nadine; Arnold, Matthew; Blaber, Martin; Ford, Mike (American Chemical Society, 2009)
    The optical properties of an ordered array of gold nanospheres have been calculated using the T-matrix method in the regime where the near-fields of the particles are strongly coupled. The array consists of a one-dimensional ...
  • Petersen, T; Bosman, Michel; Keast, Vicki; Anstis, Geoff (American Institute of Physics, 2008)
    Quantitative phase maps from Au and polystyrene nanospheres were obtained using the transport of intensity equation approach for phase retrieval in the electron microscope. These were compared to surface plasmon maps, as ...
  • Stokes, Nicholas; Cortie, Michael; Davis, Teresa; Mcdonagh, Andrew (Springer, 2012)
    Using numerical simulations, we examine the change in plasmon resonance behavior in gold nanorod structures that have a V shape. The reduction in symmetry compared to linear rods causes two different longitudinal-type ...
  • Lee, Andrew; Rahmani, Adel; Dawes, Judith; Marshall, Graham; Withford, Michael (Springer-Verlag, 2008)
    We report the point-by-point inscription of gratings in lithographically fabricated polymer ridge waveguides using direct-write laser processing. This device exhibited narrow-band-pass spectral features of ?0.8 nm ...
  • Shi, Zk; Fu, Yq; Zhou, Xl; Zhu, Shaoli (Springer, 2010)
    Tuning effect of different polarization states was presented in this paper. It can be realized by a plasmonic lens constructed with elliptical pinholes ranging from submicron to nanoscales distributed in variant period ...
  • Gentle, Angus; Dybdal, Kirsten; Smith, Geoff (Elsevier Science Bv, 2013)
    Polyethylene (PE) mesh is shown to strongly suppress convective gain at night and to have a high black body transmittance, making it suited to use in radiative cooling. Advantages over previous non-porous cover systems ...