Enviaments recents

  • Ultrafast nonlinear optical response of Dirac fermions in graphene 

    Baudisch, Matthias; Marini, Andrea; Cox, Joel D.; Zhu, Tony; Silva, Francisco; Teichmann, Stephan; Massicotte, Mathieu; Koppens, Frank; Levitov, Leonid S.; García de Abajo, F. Javier; Biegert, Jens (Nature, 2018-03-09)
    Article
    Accés obert
    The speed of solid-state electronic devices, determined by the temporal dynamics of charge carriers, could potentially reach unprecedented petahertz frequencies through direct manipulation by optical fields, consisting ...
  • Two-Color Dark-Field (TCDF) microscopy for metal nanoparticles imaging inside cells 

    Rodriguez-Fajardo, Valeria; Sanz, Vanesa; Miguel, Ignacio de; Berthelot, Johann; Aćimović, Srdjan; Porcar-Guezenec , Rafael; Quidant , Romain (Royal Society of Chemistry, 2018-01-17)
    Article
    Accés obert
    Noble metal nanoparticles (NPs) supporting localized surface plasmon resonances are widely used in the context of biotechnology as optical and absorption contrast agents with great potential applicability to both diagnostics ...
  • Optimum morphology of gold nanorods for light-induced hyperthermia 

    Morales- Dalmau, J.; Vilches, C.; Miguel, I. De; Sanz, V.; Quidant, R. (Royal Society of Chemistry, 2017-12-26)
    Article
    Accés restringit per política de l'editorial
    Owing to their unique chemical and physical properties, colloidal gold nanoparticles have prompted a wide variety of biocompatible nano-agents for cancer imaging, diagnosis and treatment. In this context, biofunctionalized ...
  • Optically levitated nanoparticle as a model system for stochastic bistable dynamics 

    Ricci, F.; Rica, R. A.; Spasenovic, M.; Gieseler, J.; Rondin, L.; Novotny, L.; Quidant, Romain (Nature, 2017-05-09)
    Article
    Accés obert
    Nano-mechanical resonators have gained an increasing importance in nanotechnology owing to their contributions to both fundamental and applied science. Yet, their small dimensions and mass raises some challenges as their ...
  • Template assisted surface micro microstructuring of flowable dental composites and its effect on the microbial adhesion properties 

    Frenzel, Nadja; Maenz, Stefan; Sanz Beltrán, Vanesa; Völpel, Andrea; Sigusch, Bernd W.; Lüdecke, Claudia; Jandt, Klaus D. (Academy of Dental Materials, 2016-03-01)
    Article
    Accés obert
    Despite their various advantages, such as good esthetic properties, absence of mercury and adhesive bonding to teeth, modern dental composites still have some drawbacks, e.g., a relatively high rate of secondary caries on ...
  • In vivo testing of gold nanoparticles using the Caenorhabditis elegans model organism 

    Gonzalez-Moragasa, Laura; Berto, Clara; Vilches, Clara; Quidant, Romain; Kolovouc, Androniki; Santarella-Mellwig, Rachel; Schwab, Yannick; Stürzenbaum, Stephen; Roig, Anna; Laromainea, Anna (Elsevier, 2017-02-01)
    Article
    Accés obert
    Gold nanoparticles (AuNPs) are present in many man-made products and cosmetics, and are also used by the food and medical industries. Tight regulations regarding the use of mammalian animals for product testing can hamper ...
  • Cyclic concentrator, carpet cloaks and fisheye lens via transformation plasmonics 

    Alaoui, M.; Rustomji, K.; Chang, T. M.; Tayeb, G.; Sabouroux, P.; Quidant, R.; Enoch, S.; Guenneau, S.; Abdeddaim, R. (IOP, 2016-04-01)
    Article
    Accés obert
    We first review basic equations of plasmonics in anisotropic media. We recall the origin of Maxwell’s gradient index fisheye lens. We then apply tools of transformation optics to the design of a cyclic concentrator and ...
  • Dynamic Range Extension of a SPAD Imager Using Non-Uniformity Correction Techniques 

    Vilella, Eva; García, José; Alonso, Oscar; Diéguez, Angel (IEEE, 2016-01-27)
    Article
    Accés obert
    The extraordinary sensitivity of single-photon avalanche diodes (SPADs) makes these devices the ideal option for vision systems aimed at low-light applications. Nevertheless, there exist large dark count rate and photon ...
  • Cooling and manipulation of a levitated nanoparticle with an optical fiber trap 

    Mestres, Pau; Berthelot, Johann; Spasenović, Marko; Gieseler, Jan; Novotny, Lukas; Quidant, Romain (AIP, 2015-10-15)
    Article
    Accés obert
    Accurate delivery of small targets in high vacuum is a pivotal task in many branches of science and technology. Beyond the different strategies developed for atoms, proteins, macroscopic clusters, and pellets, the manipulation ...
  • Coupling of individual quantum emitters to channel plasmons 

    Bermúdez-Ureña, Esteban; Gonzalez-Ballestero, Carlos; Geiselmann, Michael; Marty, Renaud; Radko, Ilya P; Holmgaard, Tobias; Alaverdyan, Yury; Moreno, Esteban; García-Vidal, Francisco J. G; Bozhevolnyi, Sergey I.; Quidant, Romain (Nature Publishing Group, 2015-08-07)
    Article
    Accés obert
    Efficient light-matter interaction lies at the heart of many emerging technologies that seek on-chip integration of solid-state photonic systems. Plasmonic waveguides, which guide the radiation in the form of strongly ...
  • Adiabatic Processes Realized with a Trapped Brownian Particle 

    Martínez, Ignacio A.; Roldán, Édgar; Dinis, Luis; Petrov, Dmitri; Rica, Raúl A. (APS Physics, 2015-03-27)
    Article
    Accés obert
    The ability to implement adiabatic processes in the mesoscale is of key importance in the study of artificial or biological micro- and nanoengines. Microadiabatic processes have been elusive to experimental implementation ...

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