physica status solidi (RRL) - Rapid Research Letters

Cover image for Vol. 4 Issue 10

Special Issue: Plasmonics and Nanophotonics

October 2010

Volume 4, Issue 10

Pages A85–A98, 241–297

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    1. Cover Picture: Phys. Status Solidi RRL 10/2010

      Version of Record online: 4 OCT 2010 | DOI: 10.1002/pssr.201090013

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      Researchers from University of Southampton and National Taiwan University propose that the phase-change technology underpinning today's rewritable optical disks and phase-change memories can also be used for high contrast plasmonic switching and modulation in future highly-integrated nanophotonic devices. In their Letter on pp. 274–276 the authors present evidence that photo-induced changes in chalcogenide phase-change glasses provide a mechanism for transient and bistable plasmonic modulation via dramatic, reversible changes in refractive index, offering a new paradigm for nanoscale manipulation of light using commercially established media.

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    1. Back Cover: Phys. Status Solidi RRL 10/2010

      Version of Record online: 4 OCT 2010 | DOI: 10.1002/pssr.201090014

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      The implementation of compact plasmonic circuits in a wide variety of applications requires structures that can convert incident light into guided plasmon waves and vice-versa. In their Letter on pp. 280–282, Ghoshal and Kik discuss a nanostructured surface plasmon coupler that consists of an array of gold nanoparticles placed on an ultrathin silica film above a gold plasmon guiding layer. The periodic placement of the gold nanoparticles results in constructive excitation of surface plasmons on the gold film. Experiments using white-light illumination demonstrate the selective excitation of red surface plasmons propagating away from the nanoparticle array. By performing spatially selective leakage radiation measurements of the generated plasmon beam, the frequency dependent coupling efficiency is determined. The presented method for determining the plasmon excitation efficiency is broadly applicable, and can be used to evaluate devices independent of their exact design.

  3. Editorial

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      Focus on Plasmonics and Nanophotonics (page A85)

      Stefan Maier

      Version of Record online: 4 OCT 2010 | DOI: 10.1002/pssr.201050229

  4. Contents

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    3. Back Cover
    4. Editorial
    5. Contents
    6. NEW IN pss
    7. Conference calendar
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  5. NEW IN pss

    1. Top of page
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    3. Back Cover
    4. Editorial
    5. Contents
    6. NEW IN pss
    7. Conference calendar
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  6. Conference calendar

    1. Top of page
    2. Cover Picture
    3. Back Cover
    4. Editorial
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    6. NEW IN pss
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  7. Rapid Research Letters

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    1. Basic properties

      Surface plasmons with phase singularities and their effects on matter (pages 241–243)

      D. L. Andrews, M. Babiker, V. E. Lembessis and S. Al-Awfi

      Version of Record online: 30 JUN 2010 | DOI: 10.1002/pssr.201004191

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      In this report on the theory of surface plasmons with orbital angular momentum, the authors consider ‘optical vortex’ light, internally reflected at a dielectric interface thinly embossed with a metallic layer, generating surface plasmons with rotational features. An atom localized in the vicinity, subjected to one such surface plasmon generated by counter-propagating ‘doughnut’ modes, is impelled into a zigzag motion coupled with an anticlockwise rotation around the common beam focus.

    2. Surface defect mediated electron hopping between nanoparticles separated by a nano-gap (pages 244–246)

      Saulius Juodkazis and Lorenzo Rosa

      Version of Record online: 22 JUL 2010 | DOI: 10.1002/pssr.201004226

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      The light field enhancement, Emax2, in the narrow gaps extends into surrounding materials. The surface properties of the substrate then become important for the spectral behavior of the light extinction and enhancement. In their Letter, the authors show how the spectral properties of nano-patterns can be altered by percolative electron transport via the surface defects in the gaps smaller than 10 nm. Numerical estimates support a possibility of polarization-controlled electron transport through the nanogaps.

    3. Highly confined surface plasmon polariton resonances in rectangular nanopore cavities (pages 247–249)

      Chang Chen, Liesbet Lagae, Guido Maes, Gustaaf Borghs and Pol Van Dorpe

      Version of Record online: 7 JUL 2010 | DOI: 10.1002/pssr.201004268

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      A highly confined Fabry–Pérot surface plasmon resonance is excited inside a gold rectangular nanopore cavity. At the resonance wavelength, the calculated field intensity in the pore is enhanced by a factor as high as 104, even in a 10 nm wide nanopore, opening bright new perspectives for (single molecule) spectroscopy applications.

    4. Influence of the dielectric substrate on the field emitted by a subwavelength slit in a metal film (pages 250–252)

      A. Yu. Nikitin, F. J. García-Vidal and L. Martín-Moreno

      Version of Record online: 21 JUL 2010 | DOI: 10.1002/pssr.201004228

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      This Letter studies the transition region between surface plasmon-polaritons and Norton waves radiated by a slit along the metal interface. We show that increasing the permittivity of the substrate has two effects: a reduction of the crossover distance and an increase of the field at the crossover. This can be useful for experimental studies on the asymptotes of the fields emitted along metal surfaces by localized sources.

    5. Near-field studies of arrays of chirped subwavelength apertures (pages 253–255)

      Dragomir N. Neshev, Alexander Minovich, Thomas Dieing, Haroldo T. Hattori, Ian McKerracher, Hark Hoe Tan, Chennupati Jagadish and Yuri S. Kivshar

      Version of Record online: 21 JUL 2010 | DOI: 10.1002/pssr.201004235

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      The Letter reports on the near-field modes of light propagating through a metal film perforated with an array of square apertures of varying size. The authors combine atomic-force, near-field, and confocal scanning microscopy to identify the surface and waveguiding modes in the structure. While the surface plasmon modes are trapped to the metal surface, the dipole waveguiding modes are emitted at the output surface of the film.

    6. Plasmonic modes of gold nano-particle arrays on thin gold films (pages 256–258)

      A. Hohenau and J. R. Krenn

      Version of Record online: 20 JUL 2010 | DOI: 10.1002/pssr.201004260

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      Regular arrays of metal nanoparticles directly on top of a 25 nm thin metal film are used to optically excite asymmetric mode surface plasmons. Due to their better field confinement, they are advantageously applied in refractive index sensing of thin films. Annealing of the substrates further improves their optical properties.

    7. Unraveling electromagnetic resonance of two-dimensional ordered nanoparticle arrays with a dipole-coupling model (pages 259–261)

      Sheng Hsiung Chang, Bang-Yan Lin, Tian-You Cheng and Juen-Kai Wang

      Version of Record online: 9 JUL 2010 | DOI: 10.1002/pssr.201004263

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      In this Letter the authors use a dipole-coupling model to derive the effective anisotropic dielectric response of ordered silver nanoparticle arrays. The resonant wavelength of the transverse localized plasmon mode (TP) of the square-lattice array starts deviating from that of the hexagonal-lattice array as the interparticle spacing (S) is less than 40 nm. This behavior evidences that this model more accurately predicts plasmonic interaction between nanoparticles than the effective-medium model.

    8. Tailoring spectral position and width of field enhancement by focused ion-beam patterning of plasmonic nanoparticles (pages 262–264)

      Lorenzo Rosa, Kai Sun, Joanna Szymanska, Fay E. Hudson, Andrew Dzurak, Andre Linden, Sven Bauerdick, Lloyd Peto and Saulius Juodkazis

      Version of Record online: 30 JUL 2010 | DOI: 10.1002/pssr.201004239

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      Free three-dimensional (3D) patterning of plasmonic nanoparticles by ion beam lithography can be used to control the light-field enhancement and its spectral position. This direct-write approach does not require resist and 3D tailoring of nanoparticles becomes possible by cut-through at arbitrary angle, boring nanoparticles and substrate. Authors show numerically that optical properties of such 3D patterned gold nanoparticles on silicon substrate are prospective for use in solar cells.

    9. Multiple surface-plasmon-polariton waves localized to a metallic defect layer in a sculptured nematic thin film (pages 265–267)

      Muhammad Faryad and Akhlesh Lakhtakia

      Version of Record online: 22 MAR 2010 | DOI: 10.1002/pssr.201004049

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      Faryad and Lakhtakia report that multiple surface-plasmon-polariton (SPP) waves can be guided by a thin metallic defect layer inserted in a sculptured nematic thin film (SNTF), an anisotropic and periodically nonhomogeneous material that can be fabricated by physical vapor deposition. The number of SPP waves exceeds the number of SPP waves that can be guided by a single metal/SNTF interface, depending on the thickness of the defect layer.

    10. Frequency- and polarization-dependent optical response of asymmetric spheroidal silver nanoparticles on dielectric substrate (pages 268–270)

      Vygantas Mizeikis, Ewa Kowalska, Bunsho Ohtani and Saulius Juodkazis

      Version of Record online: 16 AUG 2010 | DOI: 10.1002/pssr.201004215

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      Numerical simulations of plasmonic near-field enhancement at the interface between an asymmetric spheroidal nanoparticle and a smooth dielectric surface show dominant contribution from the light field polarized perpendicularly to the interface; for the incident light polarized parallel to it. The intensity enhancement factor can reach 1000. The enhancement of the field polarized across the interfaces is expected to facilitate photo-catalytic charge transport.

    11. Active plasmonics and loss compensation

      Plasmon induced modification of the transverse magneto-optical response in Fe antidot arrays (pages 271–273)

      J. F. Torrado, E. Th. Papaioannou, G. Ctistis, P. Patoka, M. Giersig, G. Armelles and A. Garcia-Martin

      Version of Record online: 31 AUG 2010 | DOI: 10.1002/pssr.201004238

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      In this Letter the authors analyze the effects of plasmon excitation on the Transverse Magneto-Optical Kerr Effect (TMOKE) signal in Fe perforated membranes. They study the two different contributions, field localization and wavevector modulation, and evaluate their effect over the total TMOKE signal as a function of the normal (θ) and in-plane (φ) angle of the incoming wave.

    12. Chalcogenide glasses in active plasmonics (pages 274–276)

      Zsolt L. Sámson, Shih-Chiang Yen, Kevin F. MacDonald, Kenton Knight, Shufeng Li, Daniel W. Hewak, Din-Ping Tsai and Nikolay I. Zheludev

      Version of Record online: 23 AUG 2010 | DOI: 10.1002/pssr.201004252

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      The functional materials behind rewritable optical disk and emergent solid state memory technologies offer a new switching paradigm for photo- and electro-activated plasmonic signal modulation in future highly-integrated nanophotonic devices. In their Letter the authors explore details of these possibilities on the basis of numerical modelling, and they report on the advent of experimental realisation by showing that the interface between silver and gallium lanthanum sulphide can support surface plasmon-polaritons.

    13. Optimal tapers for compensating losses in plasmonic waveguides (pages 277–279)

      Arthur R. Davoyan, Ilya V. Shadrivov, Yuri S. Kivshar and Dmitri K. Gramotnev

      Version of Record online: 17 JUN 2010 | DOI: 10.1002/pssr.201004220

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      The authors demonstrate that tapering of plasmonic waveguides may suppress effectively a decay of the plasmon-mode amplitude due to losses, and they discusses a shape of an optimal taper for an exact loss compensation.

    14. Devices

      Frequency dependent power efficiency of a nanostructured surface plasmon coupler (pages 280–282)

      Amitabh Ghoshal and Pieter G. Kik

      Version of Record online: 13 JUL 2010 | DOI: 10.1002/pssr.201004258

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      Nanostructured optical couplers will play a key role in future integrated plasmonic devices. This article studies the power efficiency of a normal-incidence-excited plasmon coupler that consists of a regular array of gold nanoparticles. It is shown that by taking leakage microscopy images and corresponding spectra of the excited surface plasmons, the device performance can be evaluated across a wide bandwidth.

    15. Surface plasmon waveguide Schottky detectors operating near breakdown (pages 283–285)

      Anthony Olivieri, Ali Akbari and Pierre Berini

      Version of Record online: 3 SEP 2010 | DOI: 10.1002/pssr.201004245

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      The authors investigate surface plasmon waveguide Schottky detectors near junction breakdown. The detectors consist of an Au stripe on n-Si supporting strongly confined surface plasmons at the Au/Si interface. The detectors were excited at λ0 = 1310 nm (below the bandgap of Si) where the detection mechanism is the internal photoelectric effect. A ∼10× increase in responsivity was measured at strong reverse biases due to plasmon-induced junction breakdown.

    16. Metamaterial inspired enhanced far-field transmission through a subwavelength nano-hole (pages 286–288)

      Kamil Boratay Alici and Ekmel Ozbay

      Version of Record online: 2 JUN 2010 | DOI: 10.1002/pssr.201004129

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      Transmission through a subwavelength aperture at the optical regime is quite low. The Letter by Alici and Ozbay shows how it can be enhanced and transferred to the far field by using a metamaterial inspired configuration composed of nano-scale split ring resonator antennas and couplers. A 400-fold power enhancement was achieved.

    17. Photon statistics of a single quantum dot in a microcavity (pages 289–291)

      Yumian Su, Marten Richter, Andreas Knorr, Dieter Bimberg and Alexander Carmele

      Version of Record online: 19 AUG 2010 | DOI: 10.1002/pssr.201004240

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      The authors present a theoretical model for electrically pumped single quantum dot lasers. The quantum dot is embedded in a quantum well/wetting layer which provides a carrier reservoir. It is shown that the coupling of the quantum dot to the carrier reservoir is important and changes the second-order photon correlation function g(2)(0) substantially. Moreover, in the single photon limit, two-photon events are greatly suppressed.

    18. New materials systems

      On localized surface plasmons of metallic tin nanoparticles in silicon (pages 292–294)

      Jesper Jung, Thomas Garm Pedersen, Thomas Søndergaard, Kjeld Pedersen, Arne Nylandsted Larsen and Brian Bech Nielsen

      Version of Record online: 7 JUL 2010 | DOI: 10.1002/pssr.201004190

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      Jesper Jung et al. analyze electrostatic localized surface plasmon resonances of metallic tin nanoparticles buried in crystalline silicon. The results show how plasmon resonances can be achieved at wavelengths where silicon is a poor light absorber. In conjunction with the electrical inactivity of metallic tin in silicon these results hold promises for useful applications of metallic tin nanoparticles within plasmonic photovoltaics.

    19. Semiconductors for plasmonics and metamaterials (pages 295–297)

      Gururaj V. Naik and Alexandra Boltasseva

      Version of Record online: 14 SEP 2010 | DOI: 10.1002/pssr.201004269

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      Some semiconductors such as aluminum doped zinc oxide (AZO) can be considered as alternative plasmonic materials that offer lower losses at the near-infrared wavelengths. Here, a comparative assessment of AZO-based plasmonic and metamaterial structures is provided. It is shown that AZO-based devices such as superlens and hyperlens significantly outperform their metal-based counterparts at 1.55 μm. This provides a strong stimulus in turning to semiconductor plasmonics at the telecommunication wavelengths.

  8. Information for authors

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    2. Cover Picture
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    4. Editorial
    5. Contents
    6. NEW IN pss
    7. Conference calendar
    8. Rapid Research Letters
    9. Information for authors

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