Colloidal quantum dots based bolometers 

    Kumar, Gaurav (Fecha de defensa: 2024-03-11)

    (English) Bolometer technology, crucial for uncooled thermal detection in thermography, industrial inspection, monitoring, and surveillance applications, relies on thermistors primarily made of VOx, a-Si, and Si/SiGe QWs ...

    Controlling the multipolar interference of nanoantennas 

    Hancu, Ion Michael (Fecha de defensa: 2019-01-18)

    The emission and detection of light is a main pillar of both fundamental research and the advancement of modern technologies. From digital communications and quantum computing to novel cancer treatments and faded jeans, ...

    Copper indium sulfide colloidal quantum dot solar cells 

    So, David (Fecha de defensa: 2016-10-19)

    The ubiquity of solar energy conversion technology is an exciting target which we aspire for in this century. Colloidal quantum dot (CQD) solar cells are an attractive platform, being low-cost and allowing facile control ...

    Device-independent information protocols: measuring dimensionality, randomness and nonlocality 

    Gallego López, Rodrigo (Fecha de defensa: 2013-02-22)

    The device-independent formalism is a set of tools to analyze experimental data and infer properties about systems, while avoiding almost any assumption about the functioning of devices. It has found applications both in ...

    Fluorescence quantum yield and the open circuit voltage in perovskite solar cells 

    Kramarenko, Mariia (Fecha de defensa: 2023-03-24)

    (English) To mitigate the energy and climate crisis we are already facing and address the increasing energy consumption, it is essential to foster energy transition strategies. The energy transition success largely depends ...

    Further into the infrared with quantum dot photodetectors 

    Özdemir, Onur (Fecha de defensa: 2022-02-04)

    In the infrared, photodetectors are the key components in a wide-variety of applications such as thermal imaging, remote sensing, spectroscopy with newer technologies added to the list such as LiDaR and deep tissue imaging. ...

    Graphene based optical interconnects and IR photodetectors 

    Agarwal, Hitesh (Fecha de defensa: 2023-01-23)

    (English) Despite the extensive research in the semiconductor industry, Moore’s law is finally slowing down due to increased complexity. Hence, intense efforts are being carried out to explore hybrid solutions by adding ...

    Imaging cytometry technology for environmental and biomedical applications 

    Pérez Rosas, Juan Miguel (Fecha de defensa: 2020-07-28)

    Early detection of microorganisms in environmental and biomedical applications is critical for the effective response to potential pathogenic treats. Most traditional methods and instrumentation for the analysis of these ...

    Integrated photonic transmitters for secure space quantum communication 

    Jofre Cruanyes, Marc (Fecha de defensa: 2013-04-15)

    An important issue in today's information society is the security of data transmission against potential intruders, which always put at risk the confidentiality. Current methods to increase security require that the two ...

    Light enhancements in nano-structured solar cells 

    Pastorelli, Francesco (Fecha de defensa: 2013-12-09)

    In this century some of our main issues are energy shortage and pollution. This work will briefly describe these problems, proposing a plan of action combining energy saving and different sustainable energy sources. Within ...

    Light harvesting in fiber array organic solar cells 

    Mariano Juste, Marina (Fecha de defensa: 2014-10-31)

    Considering that the most abundant renewable energy source is the Sun, photovoltaic technology possesses one of the highest potentials to provide environmental benign and sustainable energy worldwide. Currently, most of ...

    Localized surface plasmon resonance for biosensing lab-on-a-chip applications 

    Acomovic, Srdjan S. (Fecha de defensa: 2012-10-30)

    In recent times, metallic nanoparticle plasmonics coupled with applications towards biosensing has gathered momentum to the point where commercial R&D are investing large resources in developing the so-called localized ...

    Micro-nano structured electro-optic devices in LiNbO3 for communication and sensing 

    Tulli, Domenico (Fecha de defensa: 2012-02-20)

    A material that is enabling integrated optics is the ferroelectric crystal Lithium Niobate (LiNbO3), which has excellent electro-optical, acousto-optical and nonlinear optical properties. Moreover, it can be doped with ...

    N-type bismuth sulfide coloidal nanocrystals and their application to solution-processed photovoltaic devices 

    Martínez Montblanch, Luis (Fecha de defensa: 2014-10-31)

    Durante las últimas décadas, la energía solar fotovoltaica se ha convertido en una tecnología de creciente importancia para satisfacer las necesidades energéticas actuales sin sacrificar las futuras generaciones. Las células ...

    New laser speckle methods for in vivo blood flow imaging and monitoring 

    Valdés Escobar, Claudia Patricia (Fecha de defensa: 2014-12-15)

    Blood flow and its regulation, as well as hemodynamics in general, are important for the health of tissues and hence the measurement of these quantities has many applications in research and clinical environments. Various ...

    Nonlinear optics with a Rydberg ensemble for quantum information processing purposes 

    Lowinski, Jan (Fecha de defensa: 2024-01-19)

    (English) Photons have emerged as the main candidates for carrying quantum information due to their weak interaction with the environment. Unfortunately, their limited interaction with one another poses challenges for ...

    Nonlinear pulse compression 

    Grün, Alexander (Fecha de defensa: 2014-11-07)

    In this thesis I investigate two methods for generating ultrashort laser pulses in spectral regions which are ordinarily difficult to achieve by the existing techniques. These pulses are specially attractive in the study ...

    Photodetectors based on low-dimensional materials and hybrid systems 

    Kuffer, Dominik (Fecha de defensa: 2016-06-13)

    In the last decade, two-dimensional (2D) materials have attracted attention both in the nascent field of flexible nanotechnology as well as in more conventional semiconductor technol-ogies. Within the rapidly expanding ...

    Plasmonic hot-carrier optoelectronics 

    García de Arquer, Francisco Pelayo (Fecha de defensa: 2015-02-18)

    The detection of light is of central importance in both fundamental science and applied technology. Photodetectors, which aim at transducing optical stimulus into measurable electrical signals, are ubiquitous to modern ...

    Solution-processed quantum dot infrared lasers 

    Taghipour, Nima (Fecha de defensa: 2023-03-21)

    (English) Colloidal semiconductors quantum dots (CQDs) have emerged as a promising solutionprocessed gain material that can be engineered via low-cost and scalable chemical techniques. Owing to quantum confinement, their ...