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author title public-email github gitlab linkedin website date keywords links
Aleksandr KADYKOV
Research Engineer
cv@kadykov.com
kadykov
kadykov
aleksandr-kadykov
year: 1970, month: 1, day: 1
résumé
resume
CV
Curriculum vitae
Research Software Engineer
Research Engineer
Software Engineer
THz
terahertz
THz-TDS
spectroscopy
cryogenics
optics
photonics
measurements
data analysis
programming
DevOps
CI/CD
TDD
Test-Driven Development
Python
Jupyter
NumPy
Pandas
Xarray
Scipy
Python array API
scikit-learn
PyTorch
MATLAB
Matplotlib
hvPlot
Plotly
Bokeh
Panel
holoviz
OriginPro
PyMeasure
Bluesky
yaq
LabVIEW
Intake
SQL
Quarto
Typst
Pandoc
LaTeX
VSCode
Git
Linux
Docker
Docker-compose
Zotero
Multitel ASBL SAPHIRE LNE EPIC I2S L2C IPM RAS TDS THz hBN HgCdTe graphene helium Python wavelength FTIR FAIR Mons Trappes Nizhny Novgorod Thesis

Research Engineer {photo='image("./photo.jpg", width: 120pt)'}

Proven ability to design and execute experiments, analyse and present data, develop scientific Python software.

Strong background in applied and basic research in THz photonics and magnetotransport in 2D~materials.

Core competencies {.hidden}

  • Data analysis & presentation
  • Experimental design & execution
  • Instrumentation integration & orchestration
  • Scientific Python development

Professional experience {.hidden}

Multitel ASBL {location="Mons \ Belgium"}

Non-profit innovation center specializing in applied photonics, AI, etc.

Research Engineer in THz Spectroscopy and Imaging {date="Jul.~2021 \ Aug.~2024"}

Developed a THz time-domain spectroscopy (THz-TDS) data pipeline with an improved signal-to-noise ratio by utilizing sensitivity profile-shaped filtering.

Developed a computationally cheap THz-TDS data processing method for refractive index and thickness extraction in low-absorption materials.

Streamlined refractive index profile reconstruction from THz-TDS data by offloading calculations to a GPU and utilizing backpropagation-based optimization algorithms.

Automated laboratory workflows by implementing Python tools for measurement orchestration, data management, analysis, and result presentation.

Ensured best software development practices by implementing unit testing, CI/CD pipelines, and documentation.

Laboratoire National de Métrologie et d'Essais {location="Trappes \ France"}

French National Laboratory of Metrology and Testing (LNE)

Research Engineer in Quantum Hall Effect Metrology {date="Sep.~2018 \ Sep.~2020"}

Led low-noise cryogenic magnetotransport measurements on graphene, exploring its potential as a resistance standard.

Designed a flexible Python software package,

optimizing scientific equipment orchestration.

Participated in the nanofabrication of hBN-encapsulated graphene stacks.

Improved performance of a helium gas recuperation system.

Institute for Physics of Microstructures (IPM RAS) {location="Nizhny Novgorod \ Russia"}

State-owned research institute specializing in solid state physics.

Research Engineer in Photonics of 2D Narrow-Gap Heterostructures {date="May~2017 \ Sep.~2018"}

Led photoluminescence and photoconductivity FTIR cryogenic measurements of HgTe/HgCdTe quantum wells.

Achieved laser emission in HgCdTe heterostructures at a record wavelength.

Education {.hidden}

Laboratoire Charles Coulomb (L2C) & IPM RAS {location="Montpellier, France \ Nizhny Novgorod, Russia"}

I2S Doctorlal School at the University of Montpellier & L2C

Ph.D.~in Solid State Physics {date="Sep.~2014 \ Dec.~2017"}

Thesis: "Physical properties of HgCdTe-based heterostructures: towards terahertz emission and detection"

Implemented a double-modulation technique, enabling the extraction of critical magnetic fields in a topological insulator.

First to observe a temperature-driven phase transition in a HgTe/CdHgTe topological insulator using magnetotransport.

Technical stack {.hidden}

Data analysis & presentation: Python, NumPy, Pandas, Xarray, SciPy, Matplotlib, hvPlot, Plotly, Bokeh, Panel, Intake

Instrumentation integration & orchestration: PyMeasure, Bluesky, yaq, LabVIEW

Reporting: Quarto, Jupyter, Typst, LaTeX

Programming: VSCode, Git, Linux, Docker, PyTest, Pre-Commit, GitLab CI/CD, GitHub Actions, TDD, Devcontainers

Languages: English (upper-intermediate), French (upper-intermediate), Russian (native)

Selected publications {.hidden}

  1. Kadykov, A.M., Krishtopenko, S.S., Jouault, B. et al., Temperature-Induced Topological Phase Transition in HgTe Quantum Wells, Physical Review Letters, 120(8), 086401, 2018

  2. Kadykov, A.M., Torres, J., Krishtopenko, S.S. et al., Terahertz imaging of Landau levels in HgTe-based topological insulators, Applied Physics Letters, 108(26), 262102, 2016

  3. Teppe, F., Marcinkiewicz, M., Krishtopenko, S.S. et al., Temperature-driven massless Kane fermions in HgCdTe crystals, Nature Communications, 7, 12576, 2016

  4. Kadykov, A.M., Teppe, F., Consejo, C. et al., Terahertz detection of magnetic field-driven topological phase transition in HgTe-based transistors, Applied Physics Letters, 107(15), 152101, 2015