graphene | Search | Photonics Spectra

(357 results in 18 pages)

SEARCH: graphene

FEATURE ARTICLE
January 2015
Trends in New Materials
Scientists are developing an entirely new generation of ultrathin materials such as graphene and germanene, whose photonic properties promise a new frontier of components and devices. graphene...

https://www.photonics.com/Articles/Trends_in_New_Materials/p5/a57096
NEWS
July 2012
Graphene-Silicon PICs for Low-Power Telecom
A one-carbon-atom-thick sheet of graphene has transformed a passive device into an active one that generates microwave photonic signals and performs parametric wavelength conversion at...

https://www.photonics.com/Articles/Graphene-Silicon_PICs_for_Low-Power_Telecom/p5/a51422
NEWS
June 2011
Graphene Photodetectors Boost Data Speed
Scientists at Vienna University of Technology (TU Vienna) have developed light detectors composed of graphene, demonstrating how remarkably fast the material converts light pulses into electrical...

https://www.photonics.com/Articles/Graphene_Photodetectors_Boost_Data_Speed/p5/a47487
NEWS
January 2009
Graphene's Nature Controlled
Researchers now can tune graphene’s electrical properties by growing it on different surfaces, a discovery that could bring the mass production of graphene-based nanoelectronics one step closer to...

https://www.photonics.com/Articles/Graphenes_Nature_Controlled/p5/a36168
NEWS
August 2008
Graphene Atomic Balloon
The world’s thinnest balloon is just one atom thick. Developed by researchers at Cornell University, this balloon is made of a single layer of graphite and it is impermeable to even the tiniest...

https://www.photonics.com/Articles/Graphene_Atomic_Balloon/p5/a34870
NEWS
June 2012
Plasmonic Capabilities of Graphene Brought to Light
graphene has been found to be an excellent host for guiding, confining and electrically manipulating light, two independent studies report. These properties are desirable for plasmonic devices, which...

https://www.photonics.com/Articles/Plasmonic_Capabilities_of_Graphene_Brought_to/p5/a51190
NEWS
October 2009
Electrons Lured From Graphene
Rutgers researchers have discovered novel electronic properties in two-dimensional sheets of carbon atoms called graphene that could one day be the heart of speedy and powerful electronic devices....

https://www.photonics.com/Articles/Electrons_Lured_From_Graphene/p5/a40181
FEATURE ARTICLE
October 2017
Thin 2D Materials Pack a Heavy Punch
Two-dimensional materials such as graphene, as well as composite materials such as the layered semiconductor germanium selenium, could have a big impact on myriad applications. Composite...

https://www.photonics.com/Articles/Thin_2D_Materials_Pack_a_Heavy_Punch/p5/a62651
NEWS
August 2017
Graphene Dress Hits the Catwalk
The little black dress has taken on a very different look thanks to the Nobel Prize-winning “miracle material” called graphene, which is known for its extraordinary optoelectronic...

https://www.photonics.com/Articles/Graphene_Dress_Hits_the_Catwalk/p5/a62333
NEWS
March 2011
Light Scattering Controlled in Graphene
Controlling the way light is scattered in graphene has been achieved, providing a new tool for the study of these single sheets of carbon that may lead to practical applications for controlling light...

https://www.photonics.com/Articles/Light_Scattering_Controlled_in_Graphene/p5/a46474
NEWS
July 2024
Graphene Deploys as a Powerful Gas Sensor Emission Source
Using graphene as the emission source, researchers at AMO GmbH worked with other European universities to develop a MIR emitter for integrated photonic gas sensors. The researchers integrated...

https://www.photonics.com/Articles/Graphene_Deploys_as_a_Powerful_Gas_Sensor/p5/a70161
NEWS
January 2019
Pure Graphene Generates Photocurrent Over Great Distances
An international research team has discovered a new mechanism for ultra-efficient charge and energy flow in pristine graphene. The team was co-led by professor Nathaniel Gabor from the University of...

https://www.photonics.com/Articles/Pure_Graphene_Generates_Photocurrent_Over_Great/p5/a64294
NEWS
February 2020
Graphene Formed Under Microscope Is Small Enough for Electronics
Scientists at Rice University; the University of Tennessee, Knoxville (UT Knoxville); and Oak Ridge National Laboratory (ORNL) used a small, visible beam mounted to a scanning electron microscope...

https://www.photonics.com/Articles/Graphene_Formed_Under_Microscope_Is_Small_Enough/p5/a65559
NEWS
May 2018
Graphene Biointerface Optically Controls Heart Cells
Researchers have developed a technique that allows them to speed up or slow down human heart cells, on command, by shining a light on the cells and varying the light intensity. The optical...

https://www.photonics.com/Articles/Graphene_Biointerface_Optically_Controls_Heart/p5/a63489
NEWS
September 2016
Laser Treatment Boosts Conductivity in Printed Graphene
Treating inkjet-printed, multilayer graphene electric circuits and electrodes with a pulsed-laser process improves electrical conductivity of the graphene without damaging paper, polymers or other...

https://www.photonics.com/Articles/Laser_Treatment_Boosts_Conductivity_in_Printed/p5/a61130
NEWS
March 2011
Cell Imaging Improves Under Graphene
A microscopic cloak made of graphene could change the way bacteria and other cells are imaged. Vikas Berry of Kansas State University and his research team are wrapping bacteria with graphene...

https://www.photonics.com/Articles/Cell_Imaging_Improves_Under_Graphene/p5/a46511
NEWS
December 2013
Graphene on chip closing the gap with germanium
graphene-based photodetectors can efficiently convert IR light into electrical signals, three independent studies have reported. The work “makes it very likely that graphene will soon replace...

https://www.photonics.com/Articles/Graphene_on_chip_closing_the_gap_with_germanium/p5/a55469
NEWS
December 2013
Graphene on chip closing the gap with germanium
graphene-based photodetectors can efficiently convert IR light into electrical signals, three independent studies have reported. The work “makes it very likely that graphene will soon replace...

https://www.photonics.com/Articles/Graphene_on_chip_closing_the_gap_with_germanium/p5/a55450
NEWS
March 2021
Study of Acoustic Graphene Plasmons Heralds Improvements for Optoelectronics
Researchers from Korea Advanced Institute of Science and Technology (KAIST), with domestic and international collaborators, demonstrated direct near-field optical imaging of acoustic graphene plasmon...

https://www.photonics.com/Articles/Study_of_Acoustic_Graphene_Plasmons_Heralds/p5/a66808
NEWS
December 2019
Graphene Composite Improves Photocatalytic Activity Used to Degrade Pollutants
graphene Flagship partners developed a graphene-titania composite via a one-step procedure to widen and improve the applicability of “smog-eating” cement. The prepared composite showed...

https://www.photonics.com/Articles/Graphene_Composite_Improves_Photocatalytic/p5/a65375