Recent Submissions

  • All-dielectric free-electron-driven holographic light sources 

    Clarke, Brendan P.; Gholipour, Behrad; MacDonald, Kevin F.; Zheludev, Nikolay I. (2018)
    It has recently been shown that holographically nanostructured surfaces can be employed to control the wavefront of (predominantly plasmonic) optical-frequency light emission generated by the injection of medium-energy ...
  • The phase separation underlying the pyrenoid-based microalgal Rubisco supercharger 

    Wunder, Tobias; Cheng, Steven Le Hung; Lai, Soak-Kuan; Li, Hoi-Yeung; Mueller-Cajar, Oliver (2018)
    The slow and promiscuous properties of the CO2-fixing enzyme Rubisco constrain photosynthetic efficiency and have prompted the evolution of powerful CO2 concentrating mechanisms (CCMs). In eukaryotic microalgae a key ...
  • Visible light driven hydrogen evolution by molecular nickel catalysts with time-resolved spectroscopic and DFT insights 

    Ho, Xian Liang; Shao, Haiyan; Ng, Yik Yie; Ganguly, Rakesh; Lu, Yunpeng; Soo, Han Sen (2019)
    Hydrogen (H2) is a clean fuel that can potentially be a future solution for the storage of intermittent renewable energy. However, current H2 production is mainly dominated by the energy intensive steam reforming reaction, ...
  • The origins of malaria artemisinin resistance defined by a genetic and transcriptomic background 

    Zhu, Lei; Tripathi, Jaishree; Rocamora, Frances Maureen; Miotto, Olivo; van der Pluijm, Rob; Voss, Till S.; Mok, Sachel; Kwiatkowski, Dominic P.; Nosten, François; Day, Nicholas P. J.; White, Nicholas J.; Dondorp, Arjen M.; Bozdech, Zbynek (2018)
    The predisposition of parasites acquiring artemisinin resistance still remains unclear beyond the mutations in Pfk13 gene and modulation of the unfolded protein response pathway. To explore the chain of casualty underlying ...
  • Structural basis of RIP2 activation and signaling 

    Gong, Qin; Long, Ziqi; Zhong, Franklin L.; Teo, Daniel Eng Thiam; Jin, Yibo; Yin, Zhan; Boo, Zhao Zhi; Zhang, Yaming; Zhang, Jiawen; Yang, Renliang; Bhushan, Shashi; Reversade, Bruno; Li, Zongli; Wu, Bin (2018)
    Signals arising from bacterial infections are detected by pathogen recognition receptors (PRRs) and are transduced by specialized adapter proteins in mammalian cells. The Receptor-interacting-serine/threonine-protein kinase ...
  • Amino acids stimulate the endosome-to-Golgi trafficking through Ragulator and small GTPase Arl5 

    Shi, Meng; Chen, Bing; Mahajan, Divyanshu; Boh, Boon Kim; Zhou, Yan; Dutta, Bamaprasad; Tie, Hieng Chiong; Sze, Siu Kwan; Wu, Geng; Lu, Lei (2018)
    The endosome-to-Golgi or endocytic retrograde trafficking pathway is an important post-Golgi recycling route. Here we show that amino acids (AAs) can stimulate the retrograde trafficking and regulate the cell surface ...
  • Protecting block ciphers against differential fault attacks without re-keying 

    Baksi, Anubhab; Bhasin, Shivam; Breier, Jakub; Khairallah, Mustafa; Peyrin, Thomas (2018)
    In this article, we propose a new method to protect block cipher implementations against Differential Fault Attacks (DFA). Our strategy, so-called “Tweak-in-Plaintext”, ensures that an uncontrolled value ('tweak-in') is ...
  • Synthesis and electronic properties of novel 5,7-diazapentacene derivatives 

    Lunchev, Andrey V.; Morris, Samuel A.; Ganguly, Rakesh; Grimsdale, Andrew Clive (2019)
    A route to the synthesis of novel 5,7‐diazapentacenes and some preliminary studies on their properties is reported. A single crystal X‐ray diffraction study of the dihexyl derivative showed it had formed a dimer during the ...
  • Optimising superoscillatory spots for far-field super-resolution imaging 

    Rogers, Katrine S.; Bourdakos, Konstantinos N.; Yuan, Guang Hui; Mahajan, Sumeet; Rogers, Edward T. F. (2018)
    Optical superoscillatory imaging, allowing unlabelled far-field super-resolution, has in recent years become reality. Instruments have been built and their super-resolution imaging capabilities demonstrated. The question ...
  • Nonequilibrium strongly hyperuniform fluids of circle active particles with large local density fluctuations 

    Lei, Qun-Li; Ciamarra, Massimo Pica; Ni, Ran (2019)
    Disordered hyperuniform structures are an exotic state of matter having vanishing long-wavelength density fluctuations similar to perfect crystals but without long-range order. Although its importance in materials science ...
  • Optical NP problem solver on laser-written waveguide platform 

    Vázquez, María Ramos; Bharadwaj, Vibhav; Sotillo, Belén; Lo, Shu-Zee Alencious; Ramponi, Roberta; Zheludev, Nikolay I.; Lanzani, Guglielmo; Eaton, Shane M.; Soci, Cesare (2018)
    Cognitive photonic networks are researched to efficiently solve computationally hard problems. Flexible fabrication techniques for the implementation of such networks into compact and scalable chips are desirable for the ...
  • Simultaneous implementation of enhanced resolution and large dynamic range for fiber temperature sensing based on different optical transmission mechanisms 

    Ni, Wenjun; Lu, Ping; Fu, Xin; Sun, Handong; Shum, Perry Ping; Liao, Hao; Jiang, Xinyue; Liu, Deming; Yang, Chunyong; Zhang, Jiangshan; Lian, Zhengang (2018)
    In this paper, a high resolution and large dynamic range fiber optic temperature sensor without measurement crosstalk has been proposed. Two combinational mechanisms of anti-resonant reflecting optical waveguide and inline ...
  • Stray field signatures of Néel textured skyrmions in Ir/Fe/Co/Pt multilayer films 

    Yagil, A.; Almoalem, A.; Soumyanarayanan, Anjan; Tan, Anthony K. C.; Raju, M.; Panagopoulos, Christos; Auslaender, O. M. (2018)
    Skyrmions are nanoscale spin configurations with topological properties that hold great promise for spintronic devices. Here, we establish their Néel texture, helicity, and size in Ir/Fe/Co/Pt multilayer films by constructing ...
  • An SEM-DSM three-dimensional hybrid method for modelling teleseismic waves with complicated source-side structures 

    Wu, Wenbo; Ni, Sidao; Zhan, Zhongwen; Wei, Shengji (2018)
    Despite recent advances in High Performance Computing (HPC), numerical simulation of high frequency (e.g. 1 Hz or higher) seismic wave propagation at the global scale is still prohibitive. To overcome this difficulty, we ...
  • Picosecond all-optical switching and dark pulse generation in a fibre-optic network using a plasmonic metamaterial absorber 

    Xomalis, Angelos; Demirtzioglou, Iosif; Jung, Yongmin; Plum, Eric; Lacava, Cosimo; Petropoulos, Periklis; Richardson, David J.; Zheludev, Nikolay I. (2018)
    Coherent interaction of two light waves on a film of subwavelength thickness provides remarkable opportunities for controlling intensity and polarization of light beams as well as all-optical image processing. Here, we ...
  • Optical bistability in shape-memory nanowire metamaterial array 

    Nagasaki, Yusuke; Gholipour, Behrad; Ou, Jun-Yu; Tsuruta, Masanori; Plum, Eric; MacDonald, Kevin F.; Takahara, Junichi; Zheludev, Nikolay I. (2018)
    Non-volatile temperature-induced structural phase transitions such as those found in chalcogenide glasses are known to lead to strong changes in optical properties and are widely used in rewritable optical disk technology. ...
  • Compositionally controlled plasmonics in amorphous semiconductor metasurfaces 

    Piccinotti, Davide; Gholipour, Behrad; Yao, Jin; Macdonald, Kevin F.; Hayden, Brian E.; Zheludev, Nikolay I. (2018)
    Amorphous bismuth telluride (Bi:Te) provides a composition-dependent, CMOS-compatible alternative material platform for plasmonics in the ultraviolet-visible spectral range. Thin films of the chalcogenide semiconductor are ...
  • Nanofluidic terahertz metasensor for sensing in aqueous environment 

    Shih, Kailing; Pitchappa, Prakash; Jin, Lin; Chen, Chia-Hung; Singh, Ranjan; Lee, Chengkuo (2018)
    The terahertz spectral region has received tremendous attention for label free chemical and biological sensing, due to the presence of molecular fingerprints, low energy characteristics, and remote sensing capabilities. ...
  • Optical addressing of nanomechanical metamaterials with subwavelength resolution 

    Ou, Jun-Yu; Plum, Eric; Zheludev, Nikolay I. (2018)
    Metamaterials that offer “on-demand” control of individual metamolecules are termed “randomly accessible metamaterials.” They can be useful for manipulation of the wavefront of electromagnetic radiation, for tailoring of ...
  • Lattice induced strong coupling and line narrowing of split resonances in metamaterials 

    Tan, Thomas CaiWei; Srivastava, Yogesh Kumar; Manjappa, Manukumara; Plum, Eric; Singh, Ranjan (2018)
    Strongly coupled metamaterial resonances typically undergo mode-splitting by which there is an exchange of energy between matter excitations and photons. Here, we report a strong coupling of the lattice mode with the ...

View more