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La Caixa fellowships program for Postdocs and predocs


NanoGUNE is searching for outstanding early-stage and junior researchers interested in applying for a research fellowship within the "La Caixa" funding programs. The JuniorLeader program call for postdoctoral researchers is now open, and the INPhINIT program call for predoctoral students will be open soon.

Ultra-compact phase modulators based on graphene plasmons


A collaborative group of researchers achieve light phase modulation with a footprint 30 times smaller than the light wavelength.

Quantum nanoscope


A collaborative work published in Science shows how electrons surf the waves of light on graphene.

A new dimension in chemical nanoimaging


Researchers from the Basque institutions CIC nanoGUNE, Ikerbasque and Cidetec, and the German Robert Koch-Institut report the development of hyperspectral infrared nanoimaging. It is based on Fourier transform infrared nanospectroscopy (nano-FTIR) and enables highly sensitive spectroscopic imaging of chemical composition with nanoscale spatial resolution (Amenabar et al., Nat. Commun. 8, 14402 doi: 10.1038/ncomms14402 (2017)).

On-chip observation of THz graphene plasmons

THz plasmons of extremely short wavelength propagate along the graphene sheet of a THz detector, as visualized with photocurrent images obtained by scanning probe microscopy.

Researchers developed a technique for imaging THz photocurrents with nanoscale resolution, and applied it to visualize strongly compressed THz waves (plasmons) in a graphene photodetector. The extremely short wavelengths and highly concentrated fields of these plasmons open new venues for the development of miniaturized optoelectronic THz devices (Nature Nanotechnology DOI: 10.1038/NNANO.2016.185)

Graphene does double duty for plasmons


A study by ICFO, CIC nanoGUNE, Columbia University and the National Institute for Materials Science in Japan published in Nature Materials demonstrates how graphene can be employed simultaneously as both a plasmonic medium and detector.

The CENTINELA project, a winner in the Inspire programme


This week Petronor has presented the first appraisal of the agreement with the Department of Economic Development and Competitiveness of the Government of the Basque Autonomous Community (region), and has announced the three award-winning projects in the Inspire open innovation programme. They include the CENTINELA project developed by the CIC nanoGUNE, Materials Physics Center and the University of Burgos.

nanoGUNE research appears on Nature Photonics cover

Nature Photonics

Researchers from CIC nanoGUNE, in collaboration with ICFO and Graphenea, visualised for the first time how light is trapped by nanostructures made of graphene.

Nanolight at the edge

Near-field image of a rectangle graphene nanoresonator (Image: nanoGUNE)

Researchers from CIC nanoGUNE, in collaboration with ICFO and Graphenea, have demonstrated how infrared light can be captured by nanostructures made of graphene. This happens when light couples to charge oscillations in the graphene. The resulting mixture of light and charge oscillations – called plasmon - can be squeezed into record-small volumes – millions times smaller than in conventional dielectric optical cavities. This process has been visualized by the researchers now, for the first time, with the help of a state-of the-art near-field microscope and explained by theory. Particularly, the researchers identified two types of plasmons - edge and sheet modes - propagating either along the sheet or along the sheet edges. The edge plasmons are unique for their ability to channel electromagnetic energy in one dimension. The work - funded by the EC Graphene Flagship and reported in Nature Photonics - opens new opportunities for ultra-small and efficient photodetectors, sensors and other photonic and optoelectronic nanodevices.

New tool for non-invasive quality control of graphene devices


Researchers from the Nanooptics group at CIC nanoGUNE in collaboration with colleagues at ICFO - The Institute of Photonic Sciences (Catalunya) developed a new non-invasive room-temperature technique for graphene device characterization. This work has been funded by the EC Graphene Flagship and was recently reported in Nature Communications.


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