Academic Career
I got my degree as a Bachelor in Earth, Environmental and Planetary Sciences and as a Bachelor in Languages, Literatures, Foreign And Regional Civilizations (LLCER) Japanese mention (UPD) in 2022, at the Université Paris Cité, France.
- I got my degree as a Master in SPACE (Earth observation, astrophysics and satellite technology) in 2024, at the University of Science and Technology of Hanoi, Vietnam.
During my Bachelor, I have managed to learn a lot of skills and knowledge in the field of theoretical and observational astrophysics, as well as in the field of planetary structure sciences. I have also worked on gravitational wave research through the data from the KAGRA interferometer ; particles from cosmic rays hotspot detection using data from the Telescope Array in Utah ; and theoretical modelling of stellar evolution. Nowadays, the investigation on anisotropy of extremely high energy cosmic rays is one of the most important aspects for revealing their origin. I gained a strong interest in the study of the different ways to find a source of high energy cosmic rays such as the air shower phenomenon, the Telescope Array representing a real advance both in the understanding of the phenomenon of air shower and in the search for a source of cosmic rays. Detecting gravitational waves is an immense challenge, requiring the construction and monitoring of the most sensitive which means the biggest interferometers ever built. Although I was able to work personally on the study of gravitational waves from the public data of LIGO and VIRGO, I also had the opportunity to look at the results of the KAGRA interferometer. I was also greatly interested in the study of neutrinos during my early years of study. Having had the opportunity to visit the Super-Kamiokande, I was very interested in the work of Dr. Takaaki Kajita in the preparation of my internship at ICRR (Institute for Cosmic Ray Research, University of Tokyo).
During my Master, my first year internship was at IFIRSE, ICISE – Neutrino Group in Quy Nhon, where I developed an algorithm for atmospheric neutrino particle identification using machine learning techniques, achieving significant progress in particle identification with water Cherenkov detectors. As part of my Master 2 internship at the National Astronomical Observatory of Japan (NAOJ), I have been working on mock observations of neutrino signals from core-collapse supernovae, using neutrino radiation hydrodynamic simulations. This research includes detailed modeling of neutrino oscillations with Earth matter effects, which is closely aligned with my PhD focus on neutrino properties and their astrophysical implications. As highlighted in my master’s thesis, I am particularly interested in the next generation of neutrino detectors, such as Hyper-Kamiokande, and their potential to observe cosmic neutrinos, especially from supernovae. My work involved developing open-source Python code to model neutrino detection and exploring the influence of Earth matter on oscillation probabilities, which I believe could complement existing experimental programs and ongoing studies on neutrino oscillation phenomena. I hope to be able to continue my research in this field and explore the possibility of neutrino oscillation tomography for Earth, and potentially other planetary bodies, using cosmic neutrinos.
I started my PhD at the Universität Hamburg, Institut für Experimentalphysik. Our group is a member of the currently ongoing DFG research unit FOR5519 “Precision Neutrino Physics in JUNO”. Jiangmen Underground Neutrino Observatory (JUNO) will soon start operation, and first data taking is expected in 2025. To strengthen our activities, I started working on the implementation of the topological track reconstruction to work with real data from JUNO (find more on this page).
Projects
Some academic projects I took part during my Bachelor and Master years that contributed to my development. Some are related to my current studies, other ones are ... well, different I guess. Contact me for more informations.
Research on the profession of sign language interpreting in Japan
2020
Description: In this article, we will address individuals referred to as hard of hearing (難聴者). However, while the definition of the term is more or less consistent globally and modeled after the English version, in Japan, the hard of hearing are categorized into five groups, ranging from mild hearing loss to presbycusis. Here, we will focus solely on the terms ろう and 難聴 to discuss deafness and hard-of-hearing individuals.
How does man assert himself in this world as both a follower and representative of the "way of the kami"?
2021
Description: The "way of the kami" (Shintô) is man, master of the universe, who fully embodies the virtues of wisdom, benevolence, and courage, adapts to circumstances, knows how to meet the expectations of people and respond to changes, and governs the empire (Kumazawa Banzan, Discussions on the Great Learning, Daigaku wakumon, 1688).
Love in Japan during the pre-modern era
2022
Description: In an essay titled "The Falsehood of 'Love' in Modern Japan" (Kindai Nihon ni okeru 'ai' no kyogi), contemporary Japanese writer Itō Sei notes that in pre-modern Japan, the word "love" (ai) did not exist.
Polyhydroxyalkanoates: An Alternative to Synthetic Plastics
2022
Description: This document presents a discussion of the state of scientific and technical knowledge on microplastics in urban aquatic environments (drinking water, wastewater, rainwater, urban river or river, urban lake) and more specifically on polyhydroxyalkanoates (PHA). Their chemical presentation as well as the results relating to their properties, application and impacts on urban water pollution will be discussed in this document. One of the properties behind the increased use of plastic is their very high durability and also the source of increasing and visible environmental pollution. In recent years, the presence of microplastics in the environment has aroused growing interest among the scientific community and governments. One of the many interests of research on microplastics is therefore the study of alternative plastics like bioplastics (biosourced and biodegradable). These could replace the plastics currently consumed in human societies. Among them, this document looks at polyhydroxyalkanoates. Polyhydroxyalkanoates (PHA) are microbial biopolymers (polyesters) with a very large range of functions and applications. The production of polyhydroxyalkanoates has been studied for over eighty years, but recently a number of factors, including the increase in the price of crude oil and public awareness on environmental issues, have become a prime mover for in-depth research on biopolymers.
Stellar evolution, Cosmic rays and Gravitational Waves
2023
Description: This report presents my research work as an undergraduate student at the Institute for Cosmic Ray Research, University of Tokyo, from June to August 2021. My internship was divided into three parts taken care of by professors Katsuaki ASANO, Takashi SAKO and Hideyuki TAGOSHI. The goal of the first part of my internship was to study stellar evolution using a Hertzsprung-Russel diagram in function of the theoretical mass of several stars. The second part of my internship focused on the results obtained by the Telescope Array in Utah. The objective was to find out a potential source hotspot for particles from cosmic rays. Finally, the last part of my internship focused on data from the KAGRA interferometer, located in the Kamioka mine in Kamioka-cho, Hida-city, Gifu-prefecture. The goal was to find and classify the different glitches captured by the gravitational wave detector.
Application of UAV for estimation of phosphorus and potassium level in vegetation
2023
Description: Plants require 13 nutrients, with phosphorus (P) and potassium (K) being crucial. Phosphorus in soils is mainly released through iron and aluminum oxyhydroxides and calcareous materials, while potassium comes from minerals like feldspars and micas, with rock weathering being a key source. Because P and K concentrations in soil solutions are very low and need replenishing via diffusion, fertilizers are often necessary, particularly in large, diverse agricultural plots. Modern precision agriculture technologies, such as satellite positioning and geographic information systems, allow for more precise, intra-plot management of these nutrients.
Case Study of Toraya, a Japanese Wagashi maker Technological Management
2023
Description: While Japan is often described as being between tradition and modernity, Japanese companies have largely chosen to embrace only one path. The 1980's saw many firms eager to embrace new technologies and apply the latest innovations to their creative process. However, many Japanese companies still advocate traditional know-how and refer to as shinise (traditional companies). This is notably the case of Toraya, which operates a Japanese pastry, called wagashi, confectionery shop.
SUMMARY REPORT OF APPLICATIONS DESCRIPTION: EYESAT
2023
Description: Since 2012 CNES has developed the JANUS project (Jeunes en Apprentissage pour la réalisation de Nanosatellites au sein des Universités et des écoles de l’enseignement Supérieur) and since 2013, interns at the National Space Studies Center (CNES) have been working to develop an experimental nanosatellite named EyeSat, which has been in orbit since December 2019. About 250 students have contributed to the project since it began.
Remote Sensing of the Atmosphere – Meteorological Aspects
2024
Description: This report sums up the results obtained during the practice of the module “Remote Sensing of the Atmosphere”, supervised by Prof. Dr. Thanh Ngo-Duc. The practical of this module aimed to study the meteorological aspects through remote sensing of the atmosphere, using Python coding. First, the sounding of the atmosphere is studied through the plot of Skew-T charts for 5 different weather cases. Then, the enhancement of meteorological satellite images has been made. Finally, the precipitations induced by a typhoon and the display of a cyclone have been studied.
LARGE SIZED TELESCOPE – CHERENKOV TELESCOPE ARRAY
2024
Description: For over 40 years, experiments have studied cosmic rays. Each generation has brought new detection or analysis methods. Current ground-based gamma-ray astronomy experiments have shown that using several telescopes simultaneously, in stereoscopy, improves instrument resolution. To date, H.E.S.S. is the largest ground-based gamma-ray astronomy experiment with five telescopes. The CTA project is a step towards a new scale. The telescopes will be far more numerous than before, and the cameras will be more sensitive and have more pixels. All these changes will enable us to achieve new goals. This report provide a description of the telescope parameters.
Research
Simulation And Machine Learning For Particle Identification With Water Cherenkov Neutrino Detector
2023 - Link
Mock Observation of Neutrino Signal from Core-Collapse Supernovae with Neutrino Radiation Hydrodynamic Simulations
2024
Topological Track Reconstruction in JUNO
2025