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Nature Photonics
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Indium Gallium Nitride Laser Diode Directly Integrated with Silicon
Sep 9, 2016Researchers in China have achieved continuous wave (cw) lasing at room temperature for indium gallium nitride (InGaN) laser diodes (LDs) grown directly on silicon (Si) [Yi Sun et al, Nature Photonics, 10, p595, 2016]. The team from Suzhou ...
Tags: InGaN Laser diodes, cw, SINANO
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Direct Growth Of III-V Quantum Dot Lasers On Silicon Substrate
Mar 15, 2016Researchers in the UK have claimed the first demonstration of laser diodes grown directly on silicon that perform up to 75°C and 120°C under continuous wave (cw) and pulsed operation, respectively [Siming Chen et al, Nature ...
Tags: Quantum dot lasers, GaAs, Silicon substrate, MBE
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Li-Fi Paves a New Future for Lighting
Sep 18, 2015Jules Verne said in Around the World in 80 Days: “Anything one man can imagine, other men can make real.” Today, that is truer than ever before. Did you ever think it would be possible to communicate so easily with anyone around ...
Tags: LED streetlights, LED lighting
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Light and Sound Interaction in Nanoscale Waveguide Are Shown by Ghent University and Imec
Feb 27, 2015Researchers at Ghent University and nanoelectronics R&D center Imec of Leuven, Belgium have demonstrated interaction between light and sound in a nanoscale area using a silicon photonic nanowire (R. Van Laer et al, Nature Photonics (2015); ...
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The First Semiconductor Laser Consisting Solely of Main Group IV Elements
Jan 22, 2015In cooperation with international partners, Germany’s Forschungszentrum Jülich and the Paul Scherrer Institute (PSI) in Villigen, Switzerland have presented what is claimed to be the first semiconductor laser consisting solely of ...
Tags: Group-IV Lasers, clock signal, Electrical
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A Way to Use Standard Semiconductors to Detect Light Has Been Developed
Apr 22, 2014Researchers at Georgia State University, the University of Leeds and China's Shanghai Jiao Tong University have developed a way to use standard semiconductors to detect light over a much broader range of wavelengths, potentially opening up ...
Tags: Electrical, Electronics
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Nanotubes Build Logic Circuits That Could Be Manipulated Both Electrically and Optically
Feb 27, 2014Engineers trying to speed up communication between computer chips have been working on using beams of light to replace the copper traces that shuttle data between microprocessors. Now a pair of researchers at Northeastern University in ...
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The Mechanism of The Functioning of a New Type of Solar Cell Is Unraveled by Scientists
Jan 22, 2014Swiss scientists have uncovered the mechanism by which novel, revolutionary solar cells based on lead iodide perovskite light-absorbing semiconductor transfer electrons along their surface. The finding shows these devices constitute a new ...
Tags: Electrical, Electronics, Solar Cell, Energy, Solar
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Window Into Living Cells Is Provided by 3-D Imaging
Jan 22, 2014Living cells are ready for their close-ups, thanks to a new imaging technique that needs no dyes or other chemicals, yet renders high-resolution, three-dimensional, quantitative imagery of cells and their internal structures – all ...
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Researchers Create a Chip for Interference Between Silicon Photon-Pair Sources
Jan 15, 2014A team made up of researchers from several countries has succeeded in creating a chip that allows for observation of the interference between silicon photon-pair sources. In their paper published in Nature Photonics, the team describes the ...
Tags: Consumer Electronics, Electronics
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Team Create a Thin Film Low Cost Photovoltaic Device with High Power Conversion Efficiency
Dec 30, 2013A group of researchers led by Hendrik Bolink of the Institut de Ciència Molecular (ICMol) of the Scientific Park of the University of Valencia has developed a thin film low cost photovoltaic device with high power conversion ...
Tags: Hendrik Bolink, Institut de Ciència Molecular, photovoltaic device
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Researchers Are Taking The Protein That Causes The Disease and Making It a Nanomaterial
Dec 19, 2013Up till now, the connection most people would make between nanomaterials and Alzheimer’s has always been as a potential treatment for the devastating disease. But now, instead of a nanomaterial treating the disease, researchers at the ...
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The Sensor Device Could Provide an Artificial Sense of Touch
Aug 13, 2013Researchers at the Georgia Institute of Technology want to put your signature up in lights – tiny lights, that is. Using thousands of nanometer-scale wires, the researchers have developed a sensor device that converts mechanical ...
Tags: Piezo-Phototronic Effect
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Most Semiconducting Optoelectronic Devices (OEDs) Are Based on Inorganic Materials
Jul 25, 2013Ulsan National Institute of Science and Technology (UNIST) researchers report considerable improvement in device performance of polymer-based optoelectronic devices. Published in Nature Photonics, the new plasmonic material, can be applied ...
Tags: Polymer LEDs, Solar Cells
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A Single Core Can Concentrate Sunlight by up to 15 Times in Intensity
Apr 15, 2013Scientists from the Niels Bohr Institut in Denmark and the Ecole Polytechnique Fédérale de Lausanne (EPFL) in Switzerland have shown that a single core–shell p–i–n junction gallium arsenide (GaAs) nanowire ...
Tags: Solar Cell, GaAs