News tagged with photonic devices
Tandem polymer solar cells that set record for energy-conversion
(PhysOrg.com) -- In the effort to convert sunlight into electricity, photovoltaic solar cells that use conductive organic polymers for light absorption and conversion have shown great potential. Organic polymers ...
9 hours ago |
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New biosensor is based on a nanowire crystal array
(PhysOrg.com) -- A quick, inexpensive and highly sensitive test that identifies disease markers or other molecules in low-concentration solutions could be the result of a Cornell-developed nanomechanical biosensor, ...
Nanotechnology / Bio & Medicine
Dec 09, 2011 |
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First proof of single atomic layer material with zero electrical resistance
A research group at the NIMS International Center for Materials Nanoarchitectonics (MANA) has proved that the electrical resistance of a metal single atomic layer on a silicon surface becomes zero by superconductivity.
Nov 24, 2011 |
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Gold nanostructures aid the development of new photonic devices
Surface plasmon resonance—the collective vibration of electrons on the surface of metallic nanostructures in response to excitation with light or charge—has recently gained much attention from the ...
Sep 29, 2011 |
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Nanoplasmonic 'whispering gallery' breaks emission time record in semiconductors
Renaissance architects demonstrated their understanding of geometry and physics when they built whispering galleries into their cathedrals. These circular chambers were designed to amplify and direct sound ...
Nanotechnology / Nanomaterials
Jul 22, 2011 |
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A new way to build nanostructures
The making of three-dimensional nanostructured materials -- ones that have distinctive shapes and structures at scales of a few billionths of a meter -- has become a fertile area of research, producing materials ...
Jul 07, 2011 |
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Researchers create light from 'almost nothing'
(PhysOrg.com) -- A group of physicists working out of Chalmers University of Technology in Gothenburg, Sweden, have succeeded in proving what was until now, just theory; and that is, that visible photons could ...
Jun 06, 2011 |
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Nanoscale waveguide for future photonics
The creation of a new quasiparticle called the "hybrid plasmon polariton" may throw open the doors to integrated photonic circuits and optical computing for the 21st century. Researchers with the U.S. Department ...
May 31, 2011 |
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Spinning new materials in a thread for fiber-based electronics, photonics devices
Researchers at MIT have succeeded in making a fine thread that functions as a diode, a device at the heart of modern electronics. This feat — made possible by a new approach to a type of fiber manufacturing ...
May 20, 2011 |
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Silicon, nitride LEDs integrated onto a single chip for one-bit digital counters
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 ...
Mar 25, 2011 |
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Seeing the light: Scientists bring plasmonic nanofields into focus
In typical plasmonic devices, electromagnetic waves crowd into tiny metal structures, concentrating energy into nanoscale dimensions. Due to coupling of electronics and photonics in these metal ...
Feb 03, 2011 |
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Team develops nanoscale light sensor compatible with 'Etch-a-Sketch' nanoelectronic platform
(PhysOrg.com) -- University of Pittsburgh researchers have created a nanoscale light sensor that can be combined with near-atomic-size electronic circuitry to produce hybrid optic and electronic devices with ...
Nov 14, 2010 |
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Caltech researchers design a new nanomesh material
(PhysOrg.com) -- Computers, light bulbs, and even people generate heat—energy that ends up being wasted. With a thermoelectric device, which converts heat to electricity and vice versa, you can harness that ...
Nanotechnology / Nanomaterials
Sep 23, 2010 |
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'Slow light' on a chip holds promise for optical communications
A tiny optical device built into a silicon chip has achieved the slowest light propagation on a chip to date, reducing the speed of light by a factor of 1,200 in a study reported in Nature Photonics (published online Septem ...
Sep 05, 2010 |
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Creating light sources for nanochips
(PhysOrg.com) -- "One of the most important goals in the optics community is to create and manipulate light on chip," Yinan Zhang tells PhysOrg.com. "This is especially important when it comes to improving the performance of sem ...
Aug 25, 2010 |
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