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Browsing 02 Physical Sciences by Title

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  • Maaroof, Abbas; Cortie, Michael; Smith, Geoff (Amer Physical Soc, 2008)
    Percolation in nanoporous gold can be achieved with as little as 8% by volume of gold. Samples of nanoporous gold of various morphologies are analyzed with a combination of electrical and optical data. Growing thin films ...
  • Duan, Runyao; Feng, Yuan; Ying, Mingsheng (The American Physical Society, 2009)
    We provide a feasible necessary and sufficient condition for when an unknown quantum operation (quantum device) secretly selected from a set of known quantum operations can be identified perfectly within a finite number ...
  • Wang, Guoming; Ying, Mingsheng (Amer Physical Soc, 2008)
    We study the possibility of performing perfect teleportation of unknown quantum states from multiple senders to a single receiver with a previously shared stabilizer state. In the model we considered, the utilized stabilizer ...
  • Huang, Tony; Chiu, Heng-Mao; Sanagavarapu, Ananda (IEEE, 2004)
  • Callsen, Gordon; Reparaz, J S; Wagner, M; Kirste, R; Nenstiel, C; Hoffmann, Axel; Phillips, Matt (Amer Inst Physics, 2011)
    We report the phonon deformation potentials of wurtzite GaN and ZnO for all zone center optical phonon modes determined by Raman measurements as a function of uniaxial pressure. Despite all the structural and optical ...
  • Zalipaev, Victor; Movchan, Alexander; Poulton, Christopher; Mcphedran, Ross (Kluwer, 2002)
    We study the propagation of elastic waves in a two-dimensional solid containing a doubly periodic array of circular holes. The method of multipoles expansions is employed here, so that it takes into account a coupling ...
  • Muller, T.; Aharonovich, Igor; Wang, Z.; Yuan, X.; Castelletto, S.; Prawer, S.; Atarture, M. (American Physical Society, 2012)
    We report on the coherence properties of single photons from chromium-based color centers in diamond. We use field-correlation and spectral line-shape measurements to reveal the interplay between slow spectral wandering ...
  • Watts, Anne; Singh, Nagindar; Poulton, Christopher; Magi, Eric; Kabakova, Iv; Hudson, David; Eggleton, Benjamin (Optical Soc Amer, 2013)
    We investigate axial quantization in chalcogenide (As2S3) whispering gallery mode microfiber resonators. A microcavity is fabricated using a positive photoinduced index perturbation in the microfiber, and the modes are ...
  • Nicorovici, Nicolae; Mcphedran, Ross; Botten, Lindsay; Asatryan, Ara; Robinson, Peter; De Sterke, C (Kluwer Academic Publishers, 2001)
  • Spence, Alistair; Poulton, Christopher (Elsevier, 2005)
    This paper considers the numerical computation of the photonic band structure of periodic materials such as photonic crystals. This calculation involves the solution of a Hermitian nonlinear eigenvalue problem. Numerical ...
  • 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 ...