Scientists from the MESA+ Institute for Nanotechnology at the University of Twente in the Netherlands have designed a novel type of resonant cavity that serves as a prison for photons. The cavity confines light in all three ...
General Physics
Sep 24, 2014
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Researchers from the FOM Foundation, Delft University of Technology, Toyota Motor Europe and the University of California have developed a nanostructure with which they can make solar cells highly efficient. The researchers ...
Nanophysics
Aug 26, 2013
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Electromagnetically induced transparency (EIT) is a typical quantum destructive interference effect, which possesses many striking properties such as elimination of optical absorption, reduction of group velocity and remarkable ...
Optics & Photonics
Mar 19, 2021
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A crystal with a 3-D photonic band gap is a powerful tool to control light, with applications for new types of solar cells, sensors and miniature lasers. Inside a man-made crystal like this, a range of light wavelengths is ...
Optics & Photonics
Jan 24, 2020
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Researchers from the University of Surrey have developed an innovative new technique to mimic one of nature's greatest achievements – natural structural colour.
Optics & Photonics
Feb 17, 2017
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In daily life light is often generated by spontaneous emission, for instance, in lighting, in LCD displays, and in DVD players. In this process, an excited quantum emitter, such as an atom, a molecule, or a quantum dot emits ...
General Physics
Feb 4, 2014
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(Phys.org)—It takes outside-the-box thinking to outsmart the solar spectrum and set a world record for solar cell efficiency. The solar spectrum has boundaries and immutable rules. No matter how much solar cell manufacturers ...
Energy & Green Tech
Jan 2, 2013
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Silicon-based semiconductor devices dominate the microelectronics industry and are used for the fabrication of high density integrated circuits comprising of memory and processing devices. However, silicon has an indirect ...
Electronics & Semiconductors
Mar 25, 2011
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A multi-disciplinary team of scientists at the Naval Research Laboratory has discovered a way to tailor nanostructures that could result in low-cost, high efficiency solar cells. The research appears in the August 10, 2011 ...
Nanophysics
Oct 12, 2011
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