Advanced Optical Materials

Cover image for Vol. 1 Issue 6

June 2013

Volume 1, Issue 6

Pages 411–467

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Back Cover
    5. Masthead
    6. Contents
    7. Communications
    8. Full Papers
    1. Thermal Recording: Reversible Thermal Recording Media Using Time-Dependent Persistent Room Temperature Phosphorescence (Advanced Optical Materials 6/2013) (page 411)

      Shuzo Hirata, Kenro Totani, Hironori Kaji, Martin Vacha, Toshiyuki Watanabe and Chihaya Adachi

      Article first published online: 19 JUN 2013 | DOI: 10.1002/adom.201370037

      Thumbnail image of graphical abstract

      S. Hirata, C. Adachi, and co-workers demonstrate thermoreversible media using timedependent, persistent room temperature phosphorescence. On page 438, aggregation changes to persistent phosphorescent guest molecules within a hydroxyl steroidal host, controlled by thermal hysteresis, trigger the reversible on–off recording of persistent room temperature phosphorescence.

  2. Inside Front Cover

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Back Cover
    5. Masthead
    6. Contents
    7. Communications
    8. Full Papers
    1. Plasmonics: Terahertz Localized Surface Plasmon Resonances in Coaxial Microcavities (Advanced Optical Materials 6/2013) (page 412)

      Withawat Withayachumnankul, Charan Manish Shah, Christophe Fumeaux, Korbinian Kaltenecker, Markus Walther, Bernd M. Fischer, Derek Abbott, Madhu Bhaskaran and Sharath Sriram

      Article first published online: 19 JUN 2013 | DOI: 10.1002/adom.201370038

      Thumbnail image of graphical abstract

      Coaxial microcavities etched into the surface of a heavily-doped silicon substrate by W. Withayachumnankul, S. Sriram, and co-workers are shown on page 443 to support localized surface plasmon resonances at terahertz frequencies through the interplay between the cylindrical surface plasmon polaritons and the cavity modes. The coaxial geometry partly determines the resonance frequency, as illustrated by the absorption map.

  3. Back Cover

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Back Cover
    5. Masthead
    6. Contents
    7. Communications
    8. Full Papers
    1. Amplified Spontaneous Emission: Amplified Spontaneous Emission and Electroluminescence from Thiophene/Phenylene Co-Oligomer-Doped p-bis(p-Styrylstyryl)Benzene Crystals (Advanced Optical Materials 6/2013) (page 469)

      Hajime Nakanotani and Chihaya Adachi

      Article first published online: 19 JUN 2013 | DOI: 10.1002/adom.201370039

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      On page 422, dye molecular doping of an organic semiconductor single crystal enables H. Nakanotani and C. Adachi to tune its light amplification characteristics, significantly reducing the amplified spontaneous emission threshold via an enhancement of the photoluminescence quantum efficiency. The dye-doped organic semiconductor crystal maintains high ambipolar carrier mobilities and shows bright, self-waveguided emission from the crystal edge under both optical and electrical excitation.

  4. Masthead

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Back Cover
    5. Masthead
    6. Contents
    7. Communications
    8. Full Papers
    1. Editorial Advisory Board: (Advanced Optical Materials 6/2013)

      Article first published online: 19 JUN 2013 | DOI: 10.1002/adom.201370041

  5. Contents

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Back Cover
    5. Masthead
    6. Contents
    7. Communications
    8. Full Papers
    1. Contents: (Advanced Optical Materials 6/2013) (pages 413–416)

      Article first published online: 19 JUN 2013 | DOI: 10.1002/adom.201370040

  6. Communications

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Back Cover
    5. Masthead
    6. Contents
    7. Communications
    8. Full Papers
    1. Electrically Induced Color Changes in Polymer-Stabilized Cholesteric Liquid Crystals (pages 417–421)

      Michael E. McConney, Vincent P. Tondiglia, Lalgudi V. Natarajan, Kyung Min Lee, Timothy J. White and Timothy J. Bunning

      Article first published online: 2 MAY 2013 | DOI: 10.1002/adom.201300111

      Thumbnail image of graphical abstract

      Large-scale color changes (100s of nm) in polymer-stabilized cholesteric liquid crystals with a negative dielectric anisotropy are presented. Reflection peak tuning is enabled with DC electric fields through a unique peak splitting behavior. This simple approach can be applied in a variety of photonic applications.

    2. Amplified Spontaneous Emission and Electroluminescence from Thiophene/Phenylene Co-Oligomer-Doped p-bis(p-Styrylstyryl)Benzene Crystals (pages 422–427)

      Hajime Nakanotani and Chihaya Adachi

      Article first published online: 25 APR 2013 | DOI: 10.1002/adom.201200066

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      Enhanced amplified spontaneous emission (ASE) properties are demonstrated in dye-doped organic solid-state crystals. Optically pumped ASE with a low threshold (3 μJ cm-2) is obtained from α,ω-di(biphenyl)-terthiophene (BP3T)-dopedp-bis(p-styrylstyryl)benzene crystals; ∼3 times lower than that of BP3T single crystals. The doped crystals show ambipolar charge-carrier transport, resulting in bright electroluminescence from the crystal edge under electrical pumping.

    3. Ultra-High Optical Transparency of Robust, Graded-Index, and Anti-Fogging Silica Coating Derived from Si-Containing Block Copolymers (pages 428–433)

      Dong Min Sim, Min-Jae Choi, Yoon Hyung Hur, Boae Nam, Geesung Chae, Jong Hyun Park and Yeon Sik Jung

      Article first published online: 2 MAY 2013 | DOI: 10.1002/adom.201300134

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      A graded-index anti-reflection coating with high optical transmittance, a rapid anti-fogging capability, and excellent robustness is fabricated via the stacking of Si-containing block copolymers and simple oxidation. The porosity in the nanostructured silica layers can easily be controlled by changing the fraction of the Si-containing block in the block copolymers. The high optical transparency can be maintained in harsh chemical, mechanical, and thermal environments, suggesting that the coating will be especially advantageous for outdoor applications.

    4. Phase Engineering of Subwavelength Unidirectional Plasmon Launchers (pages 434–437)

      Moritz Esslinger, Worawut Khunsin, Nahid Talebi, Tongda Wei, Jens Dorfmüller, Ralf Vogelgesang and Klaus Kern

      Article first published online: 3 MAY 2013 | DOI: 10.1002/adom.201300135

      Thumbnail image of graphical abstract

      Ultrasmall couplers for the excitation of plasmonic structures by photonic modes are presented. They are constructed by assembling point-like resonators in the near-field zone of the target structure. As a demonstration of its efficacy, this scheme is applied to unidirectional excitation of plasmonic waveguides. The overall footprint of the resulting coupling structures is less than λ2/10.

    5. Reversible Thermal Recording Media Using Time-Dependent Persistent Room Temperature Phosphorescence (pages 438–442)

      Shuzo Hirata, Kenro Totani, Hironori Kaji, Martin Vacha, Toshiyuki Watanabe and Chihaya Adachi

      Article first published online: 22 MAY 2013 | DOI: 10.1002/adom.201300136

      Thumbnail image of graphical abstract

      Thermoreversible on–off recording using time-dependent, persistent phosphorescence is demonstrated in air at room temperature using an organic film composed of an aromatic guest, phenol derivative, and steroid host. Reversible aggregation of guest molecules controlled by thermal hysteresis triggers large reversible changes in their time-dependent room temperature phosphorescence.

  7. Full Papers

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Back Cover
    5. Masthead
    6. Contents
    7. Communications
    8. Full Papers
    1. You have free access to this content
      Terahertz Localized Surface Plasmon Resonances in Coaxial Microcavities (pages 443–448)

      Withawat Withayachumnankul, Charan Manish Shah, Christophe Fumeaux, Korbinian Kaltenecker, Markus Walther, Bernd M. Fischer, Derek Abbott, Madhu Bhaskaran and Sharath Sriram

      Article first published online: 21 MAY 2013 | DOI: 10.1002/adom.201300021

      Thumbnail image of graphical abstract

      Coaxial microcavities etched into the surface of a doped silicon substrate are shown to support localized surface plasmon resonances at terahertz frequencies. This provides a promising pathway for the development of terahertz devices with application in the areas of photonic integrated circuits, molecular sensing, and subwavelength imaging.

    2. Tip-Enhanced Resonance Couplings Revealed by High Vacuum Tip-Enhanced Raman Spectroscopy (pages 449–455)

      Mengtao Sun, Zhenglong Zhang, Li Chen and Hongxing Xu

      Article first published online: 25 APR 2013 | DOI: 10.1002/adom.201200074

      Thumbnail image of graphical abstract

      Tip-enhanced resonance couplings (TERCs) are experimentally revealed by high vacuum tip-enhanced Raman spectroscopy (HV-TERS). TERCs are theoretically interpreted by the plasmonic gradient effect in TERS. TERCs enable ultrasensitive chemical analysis at the nanoscale with more vibrational information.

    3. Arrays of Arbitrarily Shaped Nanoparticles: Overlay-Errorless Direct Ion Write (pages 456–459)

      Gediminas Gervinskas, Gediminas Seniutinas, Lorenzo Rosa and Saulius Juodkazis

      Article first published online: 3 MAY 2013 | DOI: 10.1002/adom.201300027

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      A simple method for the inscription of identical 20–30 nm features into single nanoparticles and their arrays is developed. Arrays of nanoparticles with exactly same optical properties can be used in nano-trapping including self-induced back-action trapping, Raman sensing, and metamaterial engineering.

    4. A Nonlinear Switching Mechanism in Quantum Dot and Metallic Nanoparticle Hybrid Systems (pages 460–467)

      Joel D. Cox, Mahi R. Singh, Catalina von Bilderling and Andrea V. Bragas

      Article first published online: 26 MAY 2013 | DOI: 10.1002/adom.201300105

      Thumbnail image of graphical abstract

      Second harmonic generation and two-photon photoluminescence are investigated experimentally and theoretically for quantum dots near metallic nanoparticles in the presence of an auxiliary control field. It is found that an enhancement of the second harmonic signal can be switched on and off by the changing the intensity or frequency of the control field. The present findings can be used to fabricate all-optical nanoswitching devices.

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