Now showing items 73-92 of 242

    High power, high intensity few-cycle pulses in the mid-IR for strong-field experiments 

    Baudisch, Matthias (Date of defense: 2017-07-12)

    High-energy, few-cycle, mid-lR radiation sources featuring high pulse repetition rates are of tremendous interest for a variety of strong-field physics and attoscience applications. Such systems could be used in combination ...

    High-peak-power mid-infrared OPCPAs for extreme nonlinear photonics 

    Elu Etxano, Ugaitz (Date of defense: 2022-05-03)

    In the last decades, intense carrier-envelope-phase-stable (CEP-stable) and near-single-cycle, coherent mid-infrared sources have become charming for a variety of applications in physics, chemistry and biology. In particular, ...

    High-power fiber-laser-pumped picosecond nonlinear optical sources from the near- to mid-infrared 

    Parsa, Shahrzad (Date of defense: 2018-07-24)

    Ultrafast picosecond coherent sources in the near-to-mid-infrared (IR) spectral range are of great interest for a variety of applications such as pump-probe spectroscopy, remote sensing, photobiology and novel upconversion ...

    High-power, continuous-wave optical parametric oscillators from visible to near-infrared 

    Samanta, Goutam Kumar (Date of defense: 2009-07-01)

    This thesis presents the development of a new class of high-power, continuous-wave (cw) optical parametric oscillators (OPOs) with extended tunability from visible to near-infrared (near-IR). While lasers have been in use ...

    High-power, fiber-laser-pumped frequency conversion sources for the ultraviolet 

    Sánchez Bautista, Enrique (Date of defense: 2015-11-26)

    High-power, stable, high-repetition-rate, picosecond ultraviolet (UV) sources are of crucial importance for a variety of applications, such as atmospheric sensing, spectroscopy or optical data storage. Further, precise ...

    High-power, fiber-laser-pumped optical parametric oscillators from the visible to mid-infrared 

    Chaitanya Kumar, Suddapalli (Date of defense: 2012-01-18)

    High-power, continuous-wave (cw), mid-infrared (mid-IR) laser sources are of interest for variety of applications such as trace gas detection and remote sensing, which require broad spectral coverage to address the most ...

    Highly percolated ultra-thin metal films for reconfigurable metasurfaces 

    Martínez Cercós, Daniel (Date of defense: 2023-06-21)

    (English) There is currently significant scientific and technological interest in ultrathin materials, with at least one dimension in the nm range or even smaller, since they possess features not achievable with their ...

    Hybrid diffuse optical neuromonitoring of cerebral haemodynamics: from the smallest premature born infants to adults 

    Giovannella, Martina (Date of defense: 2019-06-04)

    Hybrid diffuse optical devices allows for the non-invasive and continuous monitoring of the cerebral haemodynamics and metabolism. Such devices can be portable and are relatively inexpensive, therefore available at the ...

    Hybrid diffuse optics for monitoring of tissue hemodynamics with applications in oncology 

    Farzam, Parisa (Date of defense: 2014-10-14)

    Noninvasive measurement of hemodynamics at the microvascular level may have a great impact on oncology in clinics for diagnosis, therapy planning and monitoring, and, in preclinical studies. To this end, diffuse optics is ...

    Hybrid diffuse optics for translational oncology and nanobiophotonics: towards a theranostic approach for emerging cancer therapies 

    Mireles Núñez, Miguel Adrián (Date of defense: 2018-10-24)

    A pre-clinical mouse model of human clear cell renal cell carcinoma (ccRCC) was employed as a method to study the prognostic and theranostic potential of two, non-invasive, deep tissue, diffuse optical techniques, namely ...

    Hybrid photonic-plasmonic devices with single nanoscale light sources 

    Bermúdez Ureña, Esteban (Date of defense: 2017-07-17)

    The field of photonics comprehends the generation, manipulation and detection of light (photons). Over the past decades, it has underpinned many of the technological advances upon which we rely on a daily basis, from our ...

    Imaging cytometry technology for environmental and biomedical applications 

    Pérez Rosas, Juan Miguel (Date of defense: 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 ...

    Impact of imperfections on correlation-based quantum information protocols 

    Passaro, Elsa (Date of defense: 2016-05-30)

    Quantum information science is a rapidly evolving field both from the theoretical and the experimental viewpoint, motivated by the fact that protocols exploiting quantum resources can perform tasks that are unfeasible in ...

    Inhomogeneity and disorder in ultrafast phase transitions 

    Pérez Salinas, Daniel (Date of defense: 2022-01-31)

    In the recent decades, there has been a surge of interest in the wide array of emergent phenomena found in strongly correlated materials. Understanding the inner workings of this type of systems is a major challenge due ...

    Insights on the spatiotemporal organization of integrins and their ligands using quantitative biophysical tools 

    Sosa Costa, Alberto (Date of defense: 2017-03-02)

    The migration of leukocytes from the blood stream to sites of injury and infection in the extravascular tissues is fundamental for the immune response. Two of the main receptors mediating this process are the integrins ...

    The insulator-metal phase transition in VO2 measured at nanometer length scales and femtosecond time scales 

    Vidas, Luciana (Date of defense: 2019-05-02)

    The physics of transition-metal oxides presents a challenge to our current understanding of condensed matter physics. The main difficulty arises from a competition between electron-electron and electron-phonon interactions ...

    Integrated photonic transmitters for secure space quantum communication 

    Jofre Cruanyes, Marc (Date of defense: 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 ...

    Integration and electrical manipulation of single-photon sources in 2-dimensional devices 

    Ciancico, Carlotta (Date of defense: 2021-12-09)

    Quantum nanophotonics aims at studying the interaction between matter and single photons at the nanoscale. Nanoscopic solid state light sources can be placed in near proximity to other photonic elements to engineer their ...

    Interaction-based nonlinear quantum metrology with a cold atomic ensemble 

    Napolitano, Mario (Date of defense: 2014-02-07)

    In this manuscript we present an experimental and theoretical investigation of quantum-noise-limited measurement by nonlinear interferometry, or from another perspective, quantum-noise-limited interaction-based measurement. ...

    Intrinsic randomness in non-local theories: quantification and amplification 

    Dhara, Chirag (Date of defense: 2013-06-12)

    Quantum mechanics was developed as a response to the inadequacy of classical physics in explaining certain physical phenomena. While it has proved immensely successful, it also presents several features that severely ...