Researchers at New Mexico State University in the US have investigated extraordinary optical transmission in a plasmonic cavity. The device they have developed features a hybrid surface plasmon polariton/Fabry-Pérot cavity, ...
Optics & Photonics
Nov 20, 2014
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Prof. Chenhao Qi of Southeast University, China, and Columbia University in the US, researches wireless communications technologies and sparse signal processing. Here, he talks about the significance of his paper 'Uplink ...
Telecom
Nov 6, 2014
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Researchers in Canada have designed and fabricated a single-sheet graphene p-n junction with two top gates. The standard technique, using a top and a bottom gate, can lead to damaging of the graphene layer. This is avoided ...
Nanomaterials
Nov 6, 2014
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A million frames per second has been achieved in 3D digital holography of moving objects. The method, developed at Kyoto Institute of Technology in Japan, could be used to analyse high-speed phenomena, including plasmas and ...
General Physics
Nov 6, 2014
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Arash Moradi and Mohamad Sawan from Polytechnique Montreal in Canada discuss their new low-power VCO design for medical implants. This oscillator was implemented to provide the frequency deviation of frequency-shift-keying ...
Electronics & Semiconductors
Oct 24, 2014
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Researchers at the Rochester Institute of Technology in New York have increased the switching contrast of a particular kind of all-optical flip-flop by 28 dB, resulting in a switching contrast of 36.6 dB. This could provide ...
Engineering
Oct 24, 2014
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A silicon-based laser that lases up to a record 111°C, with a threshold current density of 200 A/cm2 and an output power exceeding 100 mW at room temperature, has been demonstrated by collaborating researchers from University ...
Optics & Photonics
Sep 29, 2014
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A system to allow air- and ground-based robot vehicles to work together, without GPS signals or expensive sensor devices, is being developed by a team at Yonsei University in Korea. This could be used by unmanned vehicle ...
Engineering
Sep 29, 2014
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Room-temperature bow-tie terahertz detectors have been successfully integrated with focusing optics for the first time. This achievement, from researchers at the Center for Physical Sciences and Technology in Lithuania, not ...
General Physics
Sep 12, 2014
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Much smaller artificial magnetic conductors (AMCs) that can allow for more compact antenna hardware have been created by a team of researchers in the Netherlands and Spain. They have also developed a system to evaluate AMC ...
Engineering
Sep 12, 2014
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