Denis Guilhot

ORCID: 0000-0002-6576-4920
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About
Contact & Profiles
Research Areas
  • IoT and Edge/Fog Computing
  • Cloud Computing and Resource Management
  • Semiconductor Lasers and Optical Devices
  • Solid State Laser Technologies
  • Nanomaterials and Printing Technologies
  • Synthetic Aperture Radar (SAR) Applications and Techniques
  • Planetary Science and Exploration
  • Distributed and Parallel Computing Systems
  • Safety Systems Engineering in Autonomy
  • Diverse Educational Innovations Studies
  • Network Security and Intrusion Detection
  • Landslides and related hazards
  • Intraocular Surgery and Lenses
  • Laser Material Processing Techniques
  • Photonic and Optical Devices
  • Blockchain Technology Applications and Security
  • Chaos-based Image/Signal Encryption
  • Laser Design and Applications
  • Cryospheric studies and observations
  • Smart Grid Security and Resilience
  • Advanced Malware Detection Techniques
  • Astro and Planetary Science
  • Space Exploration and Technology
  • Information and Cyber Security
  • Cryptographic Implementations and Security

Worldsensing (Spain)
2018-2022

Institute of Photonic Sciences
2016

Monocrom (Spain)
2015

University of Southampton
2003-2004

The registered history of laser technologies for space application starts with the first echoes reflected off Moon in 1962. Since then, photonic have become very prominent most technical development. Their presence has also dramatically increased applications thanks to many advantages they present over traditional equivalent devices, such as immunity against electromagnetic interference, well their efficiency and low power consumption. Lasers are one key components those applications. In...

10.3390/instruments3030050 article EN cc-by Instruments 2019-09-11

Landslides, often a side effect of mining activities, pose significant risk to humans and infrastructures such as urban areas, power lines, dams. Operational ground motion monitoring can help detect the spatial pattern surface changes their evolution over time. In this technical note, commercial, cost-effective method combining network geotechnical sensors with InSAR data was reported for first time accurately monitor displacement. The correlation both sets is demonstrated in Gediminas...

10.3390/rs13142757 article EN cc-by Remote Sensing 2021-07-14

Fog computing enables location dependent resource allocation and low latency services, while fostering novel market business opportunities in the cloud sector. Aligned to this trend, we refer Fog-to-cloud (F2C) system as a new pool of resources, set into layered hierarchical model, intended ease entire fog resources management coordination. The H2020 project mF2C aims at designing, developing testing first attempt for real F2C architecture. This document outlines architecture main...

10.1145/3213299.3213307 article EN 2018-05-31

A waveguide laser with a neodymium-doped silica core is fabricated on silicon substrate by combination of flame hydrolysis deposition, solution doping, and direct UV writing. The neodymium-ion concentration estimated to be ∼8000 parts in 106. propagation loss around 1.05 µm <0.8 dB/cm. Lasing the range 1048–1056 nm 1356±1 observed. slope efficiency 33% for high-reflectivity output coupler threshold 4 mW absorbed power 25% are measured F43/2→I411/2 transition.

10.1364/ol.29.000947 article EN Optics Letters 2004-05-01

1960 is the birth year of both laser and Mars exploration missions. Eleven years passed before first successful landing on Mars, another six rover could explore planet’s surface. In 2011, technologies were reunited with as part ChemCam instrument, integrated inside Curiosity Rover. 2020, two more rovers lasers are expected to land Mars: one through National Aeronautics Space Administration (NASA) 2020 mission European Agency (ESA) ExoMars mission. The components Raman Spectrometer which...

10.3390/instruments3020025 article EN cc-by Instruments 2019-04-19

Solder-joining using metallic solder alloys is an alternative to adhesive bonding. Laser-based soldering processes are especially well suited for the joining of optical components made fragile and brittle materials such as glasses, ceramics crystals due a localized minimized input thermal energy. The Solderjet Bumping technique used assemble miniaturized laser resonator in order obtain higher robustness, wider conductivity performance, vacuum radiation compatibility, better heat long term...

10.1117/12.2178373 article EN Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE 2015-06-01

We are witnessing an explosive growth in the number of Internet-connected devices and emergence several new classes Internet Things (IoT) applications that require rapid processing abundance data. To overcome resulting need for more network bandwidth low latency, a paradigm has emerged promotes offering Cloud services at Edge, closer to users. However, Edge is highly constrained environment with limited power budget servers per installation which, turn, limits devices, such as sensors, can...

10.1109/tsusc.2019.2894018 article EN IEEE Transactions on Sustainable Computing 2019-01-18

Cooperative, connected and automated mobility (CCAM) services along different countries require cross-border solutions to support seamless delivery of in a multioperator, multi-telco-vendor, multi-car-manufacturer scenario. The H2020 5GCroCo project will trial 5G technologies the European corridor France, Germany Luxembourg, as well five small-scale sites. analyses three use cases: tele-operated driving, high- definition map generation distribution for autonomous vehicles, anticipated...

10.1109/eucnc48522.2020.9200952 article EN 2020-06-01

In order to change the way that school children view physics, OSA's University of Southampton Student Chapter has developed an optic roadshow. By taking simple optics experiments and demonstrations primary schools we aim dispel negative image classroom science help teachers convey fascination physics.

10.1117/12.2208469 article EN Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE 2003-10-09

In order to change the way that school children view physics, OSA's University of Southampton Student Chapter has developed an optic roadshow. By taking simple optics experiments and demonstrations primary schools we aim dispel negative image classroom science help teachers convey fascination physics.

10.1364/etop.2003.etuf6 article EN Education and Training in Optics and Photonics 2003-01-01

During operation of a standard commercial inkjet printer, suspended ink particles form an aerosol inside the printing chamber that can cause serious malfunctions, including contamination transparent window printhead position calibration optical sensors. In this work, conducting film (TCF) and surface functionalization through self-assembled monolayer (SAM) are proposed investigated to repel deposition on reduce its adverse effects. The results show combination Joule heating effect induced by...

10.1002/admt.201600113 article EN Advanced Materials Technologies 2016-10-26

Dr. Patricia Era Bath was not only a medical doctor but also an ophthalmologist, laser scientist, surgeon, researcher, inventor, activist, and humanitarian. She is best known as the inventor of cataract removal proposed new discipline in medicine to promote technical, medical, social aspects eye care blindness prevention. As such, she passively actively allowed millions people across world recover their sight.

10.1051/photon/202110724 article EN Photoniques 2021-03-01
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