Publications de Daniel Rodrigo Lopez

Predictive performance of multi-model ensemble forecasts of COVID-19 across European nations

Nicola Parolini, Ntorina Thanou, David Kraus, Andrea Kraus, Daniel Lopez, Markus Scholz, Benjamin Bejar Haro, Daniel Rodrigo Lopez, Ekaterina Krymova, Tao Sun

Background:Short-term forecasts of infectious disease burden can contribute to situational awareness and aid capacity planning. Based on best practice in other fields and recent insights in infectious disease epidemiology, one can maximise the predictive p ...

eLIFE SCIENCES PUBL LTD2023

Self-Similar Multiresonant Nanoantenna Arrays for Sensing from Near- to Mid-Infrared

Hatice Altug, Odeta Limaj, Daniel Rodrigo Lopez, Andreas Tittl, Aurélian Michel John-Herpin

Tailoring nanoscale light concentration and electromagnetic near-field enhancement over a broad spectral range is crucial for many photonics applications such as infrared spectroscopy, photodetection, and light harvesting. So far, broadband light enhanceme ...

2018

Resolving molecule-specific information in dynamic lipid membrane processes with multi-resonant infrared metasurfaces

Hilal Lashuel, Nadine Aït Bouziad, Hatice Altug, Odeta Limaj, Daniel Rodrigo Lopez, Christopher David Kelly, Andreas Tittl, Aurélian Michel John-Herpin

A multitude of biological processes are enabled by complex interactions between lipid membranes and proteins. To understand such dynamic processes, it is crucial to differentiate the constituent biomolecular species and track their individual time evolutio ...

Nature Research2018

Double-layer graphene for enhanced tunable infrared plasmonics

Hatice Altug, Odeta Limaj, Daniel Rodrigo Lopez, Andreas Tittl

Graphene is emerging as a promising material for photonic applications owing to its unique optoelectronic properties. Graphene supports tunable, long-lived and extremely confined plasmons that have great potential for applications such as biosensing and op ...

Chinese Acad Sciences, Changchun Inst Optics Fine Mechanics And Physics2017

Infrared Plasmonic Biosensor for Real-Time and Label-Free Monitoring of Lipid Membranes

Hatice Altug, Dordaneh Etezadi, Odeta Limaj, Daniel Rodrigo Lopez

In this work, we present an infrared plasmonic biosensor for chemical-specific detection and monitoring of biomimetic lipid membranes in a label-free and real-time fashion. Lipid membranes constitute the primary biological interface mediating cell signalin ...

American Chemical Society2016

Plasmon coupling in extended structures: Graphene superlattice nanoribbon arrays

Hatice Altug, Daniel Rodrigo Lopez

Interaction between localized plasmons in isolated proximal nanostructures is a well-studied phenomenon. Here we explore plasmon-plasmon interactions in connected extended systems. Such systems can now be easily produced experimentally using graphene. Howe ...

Amer Physical Soc2016

Graphene as Enabling Material for Infrared Plasmonic Biosensors

Hatice Altug, Dordaneh Etezadi, Odeta Limaj, Daniel Rodrigo Lopez

We demonstrate a graphene infrared biosensor for chemical-specific label-free protein detection. Graphene plasmon resonances are dynamically tuned to enhance protein vibrational bands. We show that the extreme light confinement makes graphene plasmons extr ...

IEEE2016

Mid-infrared plasmonic biosensing with graphene

Hatice Altug, Dordaneh Etezadi, Odeta Limaj, Daniel Rodrigo Lopez

Infrared spectroscopy is the technique of choice for chemical identification of biomolecules through their vibrational fingerprints. However, infrared light interacts poorly with nanometric-size molecules. We exploit the unique electro-optical properties o ...

American Association for the Advancement of Science2015

Plasmon-Plasmon Hybridization and Bandwidth Enhancement in Nanostructured Graphene

Daniel Rodrigo Lopez

Graphene plasmonic structures with long-range layering periodicity are presented. Resonance energy scaling with the number of graphene layers involved in plasmonic excitation allows these structures to support multiple plasmonic modes that couple and hybri ...

Amer Chemical Soc2015

Reconfigurable Pixel-Layer Isolator for Frequency-Tunable On-Frequency Repeaters

Daniel Rodrigo Lopez

The maximum gain in on-frequency repeaters is limited by the isolation level between their two antennas due to close-loop stability conditions. In this letter, a novel pixel-layer isolator for tunable on-frequency repeaters is presented. The scattered fiel ...

Institute of Electrical and Electronics Engineers2014

Frequency, Radiation Pattern and Polarization Reconfigurable Antenna Using a Parasitic Pixel Layer

Daniel Rodrigo Lopez

This communication presents a reconfigurable antenna capable of independently reconfiguring the operating frequency, radiation pattern and polarization. A switched grid of small metallic patches, known as pixel surface, is used as a parasitic layer to prov ...

Ieee-Inst Electrical Electronics Engineers Inc2014

Unit Cell for Frequency-Tunable Beamscanning Reflectarrays

Julien Perruisseau-Carrier, Daniel Rodrigo Lopez

A reflectarray cell able to dynamically control the reflection phase at a variable frequency is presented. This capability enables beam-scanning reflectarrays with frequency reconfigurability, which is a novel capability with applications in frequency-hopp ...

Institute of Electrical and Electronics Engineers2013