Navigation Links
'Metamaterials,' quantum dots show promise for new technologies
Date:5/25/2012

WEST LAFAYETTE, Ind. - Researchers are edging toward the creation of new optical technologies using "nanostructured metamaterials" capable of ultra-efficient transmission of light, with potential applications including advanced solar cells and quantum computing.

The metamaterial - layers of silver and titanium oxide and tiny components called quantum dots - dramatically changes the properties of light. The light becomes "hyperbolic," which increases the output of light from the quantum dots.

Such materials could find applications in solar cells, light emitting diodes and quantum information processing far more powerful than today's computers.

"Altering the topology of the surface by using metamaterials provides a fundamentally new route to manipulating light," said Evgenii Narimanov, a Purdue University associate professor of electrical and computer engineering.

Findings were detailed in a research paper published April 13 in the journal Science.

Such metamaterials could make it possible to use single photons ╨ the tiny particles that make up light ╨ for switching and routing in future computers. While using photons would dramatically speed up computers and telecommunications, conventional photonic devices cannot be miniaturized because the wavelength of light is too large to fit in tiny components needed for integrated circuits.

"For example, the wavelength used for telecommunications is 1.55 microns, which is about 1,000 times too large for today's microelectronics," Narimanov said.

Nanostructured metamaterials, however, could make it possible to reduce the size of photons and the wavelength of light, allowing the creation of new types of nanophotonic devices, he said.

The work was a collaboration of researchers from Queens and City Colleges of City University of New York (CUNY), Purdue University, and University of Alberta. The experimental study was led by the CUNY team, while the theoretical work was carried out at Purdue and Alberta.

The Science paper is authored by CUNY researchers Harish N.S. Krishnamoorthy, Vinod M. Menon and Ilona Kretzschmar; University of Alberta researcher Zubin Jacob; and Narimanov. Zubin is a former Purdue doctoral student who worked with Narimanov.

The approach could help researchers develop "quantum information systems" far more powerful than today's computers. Such quantum computers would take advantage of a phenomenon described by quantum theory called "entanglement." Instead of only the states of one and zero, there are many possible "entangled quantum states" in between.


'/>"/>

Contact: Emil Venere
venere@purdue.edu
765-494-4709
Purdue University
Source:Eurekalert  

Related biology technology :

1. Light touch: Controlling the behavior of quantum dots
2. First tunable, noiseless amplifier may boost quantum computing, communications
3. Memoirs of a qubit: Hybrid memory solves key problem for quantum computing
4. Stanford: Quantum computing spins closer
5. U of T physicists squeeze light to quantum limit
6. Researchers measure elusive repulsive force from quantum fluctuations
7. Smallest ever quantum dots bring real world applications closer
8. Quantum dots and nanomaterials: Ingredients for better lighting and more reliable power
9. Nanosys Licenses Nanowire Technology to QuantuMDx Group for Next Generation Diagnostic and Sequencing Technologies
10. Evidence of macroscopic quantum tunneling detected in nanowires
11. Scientists create first electronic quantum processor
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
'Metamaterials,' quantum dots show promise for new technologies
(Date:9/21/2017)... ... September 21, 2017 , ... Lajollacooks4u welcomed the San Diego ... organization, a worldwide society of professional women with high achievement in the fields of ... dinner. , Twelve members began with an olive oil tasting to whet ...
(Date:9/20/2017)... Westport, CT (PRWEB) , ... September 20, 2017 , ... ... 2nd annual multi-city Fueling the Growth pitch competition to uncover the top technology-driven, ... Growth will be an integral part of each city’s entrepreneurial events going on that ...
(Date:9/20/2017)... ... 2017 , ... From industry leaders, sports stars, and Hollywood icons to thousands ... these people had lost all hope. Their stories are told here. , ... , “Neil takes readers on a riveting journey through the past, present and ...
(Date:9/19/2017)... ... September 19, 2017 , ... Participants of this educational ... fume hood. Along with the advantages and disadvantages of ductless, filtered fume hoods, ... in the laboratory. , Attendees will learn from an industry expert about the ...
Breaking Biology Technology:
(Date:4/13/2017)... SANTA MONICA, Calif. , April 13, 2017 /PRNewswire/ ... New York will feature emerging and ... Innovation Summits. Both Innovation Summits will run alongside the ... variety of speaker sessions, panels and demonstrations focused on ... east coast,s largest advanced design and manufacturing event will ...
(Date:4/11/2017)... , April 11, 2017 No ... but researchers at the New York University Tandon ... of Engineering have found that partial similarities between ... systems used in mobile phones and other electronic ... The vulnerability lies in the fact ...
(Date:4/5/2017)... YORK , April 5, 2017 Today ... is announcing that the server component of the HYPR ... known for providing the end-to-end security architecture that empowers ... HYPR has already secured over 15 million ... makers including manufacturers of connected home product suites and ...
Breaking Biology News(10 mins):