Advanced Optical Materials

Cover image for Vol. 5 Issue 2

Early View (Online Version of Record published before inclusion in an issue)


  1. 1 - 20
  2. 21 - 39
  1. Full Papers

    1. Extreme Refractive Index Wing Scale Beads Containing Dense Pterin Pigments Cause the Bright Colors of Pierid Butterflies

      Bodo D. Wilts, Bas Wijnen, Hein L. Leertouwer, Ullrich Steiner and Doekele G. Stavenga

      Version of Record online: 28 NOV 2016 | DOI: 10.1002/adom.201600879

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      In the common pierid butterflies, the coloration arises from the interplay of absorption and scattering of light by pigment-loaded granules in their wing scales. The study shows that the bead's shape is optimized for light scattering and that the complex refractive index of these pigmented granules, with values above 2 in the visible wavelength range, is unusually high for biological materials.

    2. Coherent and Polarized Random Laser Emissions from Colloidal CdSe/ZnS Quantum Dots Plasmonically Coupled to Ellipsoidal Ag Nanoparticles

      Yung-Chi Yao, Zu-Po Yang, Jung-Min Hwang, Hai-Ching Su, Jing-Yu Haung, Tzu-Neng Lin, Ji-Lin Shen, Min-Hung Lee, Meng-Tsan Tsai and Ya-Ju Lee

      Version of Record online: 28 NOV 2016 | DOI: 10.1002/adom.201600746

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      In this work, to the best of our knowledge, the first experimental demonstration of coherent and polarized random laser based on the colloidal CdSe/ZnS quantum dots is reported. The localized surface plasmon resonances associated with the ellipsoidal Ag NPs are used not only to enhance light scattering of emitted light but also to control the optical polarization of lasing emissions.

    3. Hybrid Plasmonic Cavity Modes in Arrays of Gold Nanotubes

      Junfeng Wang, Cheng Zhang, Junxi Zhang, Haojie Song, Pei Wang, Yonghua Lu, Guangtao Fei, Wen Xu, Wei Xu, Lide Zhang, Yuri S. Kivshar and Lin Zhang

      Version of Record online: 25 NOV 2016 | DOI: 10.1002/adom.201600731

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      Gold nanotube arrays for efficient plasmonic cavity resonators are successfully synthesized with a template-based method. Odd and even harmonics with standing-wave modes are tuned by nanotube length. Transversal–longitudinal hybrid cavity modes dependent on wall-thickness and length of nanotubes, perform strong confinements of electric fields localized in pores and at two ends based on extraordinary optical transmission effect through inner nanochannels.

  2. Communications

    1. Polarized Band-Edge Emission and Dichroic Optical Behavior in Thin Multilayer GeS

      Ching-Hwa Ho and Jia-Xuan Li

      Version of Record online: 25 NOV 2016 | DOI: 10.1002/adom.201600814

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      Dichroic band-edge emission of a GeS multilayer is characterized by using polarized photoluminescence measurements with polarization angles ranging from E||b (θ = 0°) to E⊥b (E||a, θ = 90°). The band-edge emission at ca. 1.622 eV clearly shows sinusoidal variation of light intensity with respect to the multilayer stripe's b axis. The in-plane optical anisotropy of the stripelike GeS is clearly shown.

  3. Full Papers

    1. Widely Tuning Surface Plasmon Polaritons with Laser-Induced Bubbles

      Fengyuan Gan, Yujia Wang, Chengwei Sun, Guorui Zhang, Hongyun Li, Jianjun Chen and Qihuang Gong

      Version of Record online: 23 NOV 2016 | DOI: 10.1002/adom.201600545

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      The laser-induced bubbles are utilized to widely tune the surface plasmon polaritons. Experimentally, a modulation depth of 18 dB below the critical pump intensity and a wavelength change of about Δλ = −200 nm for Δn = −0.333 above the critical pump intensity are achieved. This large index variation brought by the laser-induced bubbles can greatly decrease the designing difficulty of tunable plasmonic devices.

  4. Communications

    1. Micropillar Templates for Dielectric Filled Metal Arrays and Flexible Metamaterials

      María F. Acosta, Sergio G. Rodrigo, Luis Martín-Moreno, Carlos Pecharromán and Rosa I. Merino

      Version of Record online: 18 NOV 2016 | DOI: 10.1002/adom.201600670

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      Arrays of holey metal films with dielectric or polaritonic micropillars filling or towering over the holes are prepared using templates from directionally solidified eutectics. The structures can be flexible and show localized enhanced optical transmittance and absorption induced transparency (AIT) in the near-infrared or THz ranges. This is the first time that AIT is experimentally demonstrated at THz frequencies.

  5. Full Papers

    1. Perovskite CsPb2Br5 Microplate Laser with Enhanced Stability and Tunable Properties

      Xiaosheng Tang, Zhiping Hu, Wei Yuan, Wei Hu, Haibing Shao, Dongjia Han, Junfeng Zheng, Jiongyue Hao, Zhigang Zang, Juan Du, Yuxin Leng, Liang Fang and Miao Zhou

      Version of Record online: 18 NOV 2016 | DOI: 10.1002/adom.201600788

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      A new type of all-inorganic perovskite CsPb2Br5 microplate with superior crystallinity, enhanced stability, and tunable optical properties is reported by combining experimental and theoretical studies. It exhibits surprisingly low-threshold amplified spontaneous emission under both one- and two-photon excitation, which is related to its unique spatially distinguished valence/conduction band edge states originating from the intrinsic sandwiched structure.

  6. Progress Reports

    1. Structural Color in Marine Algae

      Chris J. Chandler, Bodo D. Wilts, Juliet Brodie and Silvia Vignolini

      Version of Record online: 18 NOV 2016 | DOI: 10.1002/adom.201600646

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      Marine algae feature complex photonic structures to manage and reflect incident light. Here, the photonic mechanisms of these marine plants is reviewed and the geographical distribution, ecology and phylogenetic placement of structurally colored brown algae is discussed as well as their general influence on the global marine ecosystem.

    2. Hybrid Nanostructures for Photodetectors

      Wei Tian, Dan Liu, Fengren Cao and Liang Li

      Version of Record online: 17 NOV 2016 | DOI: 10.1002/adom.201600468

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      Hybrid nanostructures consisting of two or more components with at least one of them having a dimension in the nanoscale regime, not only possess the advantages of the individual components, but also exhibit unique or novel properties. Hybrid nanostructures have been widely studied and applied as building blocks to construct high-performance photodetectors.

  7. Full Papers

    1. Fast–Slow Red Upconversion Fluorescence Modulation from Ho3+-Doped Glass Ceramics upon Two-Wavelength Excitation

      Zhi Chen, Wentao Cui, Shiliang Kang, Hang Zhang, Guoping Dong, Chun Jiang, Shifeng Zhou and Jianrong Qiu

      Version of Record online: 15 NOV 2016 | DOI: 10.1002/adom.201600554

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      A novel tactic has been introduced to manipulate the fast–slow optical modulation of red upconversion fluorescence from LaF3:Ho3+ nanocrystal embedded glass ceramics via two-wavelength laser excitation at 980 and 1870 nm. Importantly, this exquisite physical strategy using single-rare-earth-doped materials, regulating one light field by another, might become an attractive area of research in the development of all-optical network information science.

  8. Communications

    1. You have full text access to this OnlineOpen article
      Toward Direct Laser Writing of Actively Tuneable 3D Photonic Crystals

      Yaoyang Hu, Benjamin T. Miles, Ying-Lung D. Ho, Mike P. C. Taverne, Lifeng Chen, Henkjan Gersen, John G. Rarity and Charl F. J. Faul

      Version of Record online: 10 NOV 2016 | DOI: 10.1002/adom.201600458

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      3D printing and actively switchable redox-active oligo(aniline)-based materials are combined to create novel tuneable 3D photonic materials. By a direct laser writing process, switchable functional structures with submicrometer features are fabricated. Reversible changes in the refractive index of the written materials are generated with negligible size changes.

  9. Full Papers

    1. Chiral Light in Helically Twisted Photonic Lattices

      Alessandro Zannotti, Falko Diebel, Martin Boguslawski and Cornelia Denz

      Version of Record online: 9 NOV 2016 | DOI: 10.1002/adom.201600629

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      The propagation of chiral light in optically induced helical photonic waveguide arrays is investigated. Manifested in their chiral interaction, the system's selectivity to optical orbital angular momentum is demonstrated. In order to realize twisted refractive index waveguide arrays, 3D modulated light fields are tailored to nonlinearly inscribe these helical waveguides in photosensitive material.

  10. Communications

    1. Visible Range Plasmonic Modes on Topological Insulator Nanostructures

      Alexander M. Dubrovkin, Giorgio Adamo, Jun Yin, Lan Wang, Cesare Soci, Qi Jie Wang and Nikolay I. Zheludev

      Version of Record online: 9 NOV 2016 | DOI: 10.1002/adom.201600768

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      Phase-resolved real-space imaging of localized plasmons in Bi1.5Sb0.5Te1.8Se1.2 topological insulator nanostructures is performed by scattering-type scanning near-field optical microscopy. Dipolar and higher order surface plasmon modes with well-defined field amplitude and phase profiles are detected in the visible part of the spectrum.

  11. Reviews

    1. Conducting Polymers as Anode Buffer Materials in Organic and Perovskite Optoelectronics

      Soyeong Ahn, Su-Hun Jeong, Tae-Hee Han and Tae-Woo Lee

      Version of Record online: 9 NOV 2016 | DOI: 10.1002/adom.201600512

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      Conducting polymers are widely used as an anode buffer layer for organic and organic–inorganic hybrid perovskite (OIHP) optoelectronics. Engineering of various materials is reviewed and discussed to overcome limitations of conventional conducting polymers, and their applications as a conducting polymer-based anode buffer layer in organic and OIHP light-emitting diodes and solar cells.

  12. Full Papers

    1. Extraordinary Figure-of-Merit of Magnetic Resonance from Ultrathin Silicon Nanohole Membrane as All-Dielectric Metamaterial

      Sang-Gil Park, Youngseop Lee, Seyong Kwon, SeokJae Yoo, Q-Han Park, Je-Kyun Park and Ki-Hun Jeong

      Version of Record online: 7 NOV 2016 | DOI: 10.1002/adom.201600628

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      A silicon nanohole metamaterial with ultrathin membrane configuration for an extraordinary figure-of-merit (FOM), defined by sensitivity (resonance shift/refractive index change) over full width at half maximum, is demonstrated based on magnetic resonance shift depending on index changes of the surrounding medium. This all-dielectric metamaterial successfully demonstrates an exceptional FOM of 29, which is 7.6 times higher than those values of conventional metamaterials.

  13. Communications

    1. Super-Antireflective Structure Films with Precisely Controlled Refractive Index Profile

      Kiwoon Choi, Youngwoon Yoon, Jaehoon Jung, Chi Won Ahn, Gil Ju Lee, Young Min Song, Min Jae Ko, Han Sup Lee, BongSoo Kim and Il-Suk Kang

      Version of Record online: 7 NOV 2016 | DOI: 10.1002/adom.201600616

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      The fabrication of super-antireflective structure films is reported, which exhibit an unprecedented refractive index profile and eliminate reflections almost completely for any angle of incidence with extreme precision using a newly developed square voltage pulse anodization. The application of the films on polymer solar cells demonstrates that the efficiencies with the film increase to 12.08% at 70°.

  14. Full Papers

    1. Electron Energy Loss Spectroscopy of Hot Electron Transport between Gold Nanoantennas and Molybdenum Disulfide by Plasmon Excitation

      Gregory T. Forcherio, Mourad Benamara and D. Keith Roper

      Version of Record online: 2 NOV 2016 | DOI: 10.1002/adom.201600572

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      Femtosecond transport of plasmonic hot electrons from gold nanospheres to monolayer molybdenum disulfide is measured by low-loss electron energy loss spectroscopy. Quantum efficiency of plasmonic damping to hot electrons injected into the MoS2 conduction band is estimated to be 6% by bandwidth analysis, corroborated by electron- and light-excitation discrete dipole simulations.

  15. Communications

    1. Programmable Microfluidic Synthesis of Over One Thousand Uniquely Identifiable Spectral Codes

      Huy Q. Nguyen, Brian C. Baxter, Kara Brower, Camilo A. Diaz-Botia, Joseph L. DeRisi, Polly M. Fordyce and Kurt S. Thorn

      Version of Record online: 18 OCT 2016 | DOI: 10.1002/adom.201600548

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      The ability to produce and distinguish microparticles containing >1100 spectral codes via the ratiometric incorporation of lanthanide nanophosphors is demonstrated. It is shown that 98% of these microparticles, which are termed MRBLEs (microspheres with ratiometric barcode lanthanide encoding), can be assigned to a code with >99.99% confidence, representing the largest purely spectral code set produced to date.

  16. Full Papers

    1. Plasmonic Nanostars with Hot Spots for Efficient Generation of Hot Electrons under Solar Illumination

      Xiang-Tian Kong, Zhiming Wang and Alexander O. Govorov

      Version of Record online: 30 SEP 2016 | DOI: 10.1002/adom.201600594

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      Plasmonic nanostars exhibit excellent characteristics for hot electron generation under solar illumination. Because of multiple plasmonic hot spots, the nanostars significantly overcome nanorods and nanospheres. Silver nanocrystals with stronger plasmonic enhancements are superior to the gold ones regarding quantum rates of hot electron generation.


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