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nanoGUNE reaches new depths in infrared nanospectroscopy


Researchers from the Nanooptics Group at CIC nanoGUNE demonstrate that nanoscale infrared imaging – which is established as a surface-sensitive technique – can be employed for chemical nanoidentification of materials that are located up to 100 nm below the surface. The results further show that the infrared signatures of thin surface layers differ from that of subsurface layers of the same material, which can be exploited to distinguish the two cases. The findings, recently published in Nature Communications, push the technique one important step further to quantitative chemometrics at the nanoscale in three dimensions.

How to manipulate light on the nanoscale over wide frequency ranges

Nature Materials

An international team led by researchers from the University of Oviedo and the Centre for Research in Nanomaterials and Nanotechnology (CINN-CSIC), together with scientist from the Basque research centers CIC nanoGUNE, Donostia International Physics Center (DIPC), Materials Physics Center (CSIC-UPV/EHU), and international collaborators from the Chinese Academy of Sciences, Case Western Reserve University (USA), Austrian Institute of Technology, Paris Materials Centre, and University of Tokyo has discovered an effective method for controlling the frequency of confined light at the nanoscale in the form of phonon polaritons (light coupled to vibrations in the crystal). The results have now been published in Nature Materials.

CIC nanoGUNE works on infrared sensing and photodetectors within GrapheneCore3


The Nanooptics Group of CIC nanoGUNE is involved in the Work Package 8: Photonics and Optoelectronics in the Graphene Flagship Core 3 project, the fourth funding cycle of the €1 Billion research initiative funded by the European Commission. The mission of Work Package Photonics and Optoelectronics is to develop GRM-based components for photonic and optoelectronic applications and to integrate them into photonic circuits, imaging arrays and optical sensors. NanoGUNE works on infrared sensing and is involved in infrared and terahertz detectors.

nanoGUNE PhD Workshop 2020


The PhD researchers of nanoGUNE have organized a one-day event to celebrate the 11th anniversary of nanoGUNE. The workshop has consisted of three sessions: Spin-off inside and outside of nanoGUNE, Escape the lab, and a poster session.

nanoGUNE launches a new summer internship call for university students

Summer Internships

CIC nanoGUNE has just launched the call in its Summer Internship Programme, which it runs every year; it offers university students the chance to get to know first-hand about the activity of a world-class research centre.

Researchers discover directional and long-lived nanolight in a 2D material


An international team led by researchers from Monash University (Melbourne, Australia), University of Oviedo (Asturias, Spain), CIC nanoGUNE (San Sebastián, Spain), and Soochow University (Suzhou, China) discover squeezed light ('nanolight') in the nanoscale that propagates only in specific directions along thin slabs of molybdenum trioxide – a natural anisotropic 2D material –. Besides its unique directional character, this nanolight lives for an exceptionally long time, and thus could find applications in signal processing, sensing or heat management at the nanoscale.

Apply for a Basque PhD grant with nanoGUNE


NanoGUNE, located at the Ibaeta Campus of the UPV/EHU in Donostia – San Sebastián, offers PhD opportunities to graduates in Physics, Chemistry, Engineering, Biology, and related areas to get their PhD degree.

Phononic SEIRA - Enhancing light-molecule interactions via crystal lattice vibrations


Researchers from CIC-nanoGUNE (San Sebastián, Spain), in collaboration with the Donostia International Physics Center (San Sebastián, Spain), Materials Physics Center (CFM, CSIC-UPV/EHU, San Sebastián, Spain) and University of Oviedo demonstrate a new way to strongly couple infrared light and molecular vibrations, by utilizing phonon polariton nanoresonators made of hexagonal boron nitride, a Van der Waals material. The results published in Light: Science & Applications open new avenues for fundamental studies of vibrational strong coupling, as well as for the development of novel infrared sensors for chemical recognition of very small amounts of molecules.

Basque researchers turn light upside down


Researchers from CIC nanoGUNE (San Sebastian, Spain), in collaboration with the Donostia International Physics Center (DIPC, San Sebastian, Spain) and Kansas State University (USA), report in Science the development of a so called 'hyperbolic metasurface' on which light propagates with completely reshaped wafefronts. This scientific achievement towards a more precise control and monitoring of light is highly interesting for the long run technological challenge of miniaturizing optical devices for sensing and signal processing.