Olivier Dubrunfaut
Professor at Sorbonne Université
Phone: +33 1 69 85 16 53
Present activity at GeePs:

Head of the Infrared Detectors and Imagers (IDI) Research Team
Formely coordinator of the EU NANOTIME project (NANostructures of Oxides for Terahertz IMaging Exploration; Marie Curie Host Fellowship Programme; 2005-09)
Formely coordinator of a French multi-training program (PPF-UPMC, Terahertz imaging, 2005-09).
Formely coordinator of the ANR Blanc 2011 project MASTHER (Miniaturized All-Solid state Terahertz HEterodyne Receiver, 2011-2015)


Engineer degree and Master degree in Electronics, 1992
PhD degree in Electronics, UPMC, 1996
Enabling degree to supervise PhD studies (HDR), UPMC, 2004
Grand Prix de l’Électronique du Général Ferrié, 2006
Full Professor at UPMC, 2008.

Teaching at Sorbonne Université (formerly UPMC):

Pedagogical project funded by CapSule - Sorbonne University (May 2018): Virtual Module for Learning Electric Circuits (MACE)

Licence (BSc) 1st Year: Mechanics and Electronics (Spring 2014-...)
Licence (BSc) 2nd Year: Fundamentals of Microelectronics (Fall 2014-...) - Syllabus
Licence (BSc) 2nd Year: Energy and Sensors (Fall 2016-...)
Licence (BSc) 3rd Year: Technics and Devices for Analog and Digital Electronics (Spring 2016-...)
Master (MSc) 1st Year: Thermal Sensors (Spring 2014-...) 

Master (MSc) 2nd Year: Thin Films and MEMS (Fall 2014-...)

Former courses:
Licence (BSc) 1st Year: Physics (2004-2013)
Licence (BSc) 2nd Year: Physics for Life Science (2009-2016)

Teaching at CentraleSupélec:

Supélec path - Speciality "Micro and Nano-Electronics" 3rd Year: Infrared Detection and Imaging: From Materials to Systems (Fall 2015-...)

Research interests:

Materials science: High temperature superconductors; Semiconductors; Dielectrics; Thin films; Microstructures; Electrical transport characterization.
Electronic devices and related instrumentation: Micro/nanotechnologies; Microwave passive components;  Infrared (near-IR and far-IR/Terahertz) radiation bolometric detectors for imaging applications.

Some recent publications:

1. R. Ladret, A. Dégardin, V. Jagtap, and A. Kreisler, "THz Mixing with High-TC Hot Electron Bolometers: a Performance Modeling Assessment for Y-Ba-Cu-O Devices," Photonics 6(7), 26 pages (2019). doi:10.3390/photonics6010007

2. A. F. Dégardin, M. Razanoelina, X. Galiano, Y. Méautte, M. Tonouchi, and A. J. Kreisler, "Semiconducting Y-Ba-Cu-O Uncooled Detectors: Feasibility of THz Pyroelectric Sensing," International Conference on Infrared, Millimeter and THz Waves (IRMMW-THz 2018), Nagoya, Japan (9-14 September 2018), Oral presentation. IEEE Proc. DOI: 10.1109/IRMMW-THz.2018.8510161

3. M. Razanoelina, S. Ohashi, I. Kawayama, H. Murakami, A. F. Dégardin, A. J. Kreisler, and M. Tonouchi “Measurable lower limit of thin film conductivity with parallel plate waveguide terahertz time domain spectroscopy,” Optics Letters 42 (15), pp. 3056-3059 (2017).

4. A. F. Dégardin, V.S. Jagtap, X. Galiano, and A. J. Kreisler, “Semiconducting Y-Ba-Cu-O thin films sputtered on MgO and SiOx/Si substrates: Morphological, electrical and optical properties for infrared sensing applications,” Thin Solid Films 601, pp. 93-98 (2016).

5. X. Galiano, A. F. Dégardin, V. S. Jagtap, and A. J. Kreisler, “Fast pyroelectric response of semiconducting Y-Ba-Cu-O detectors with high IR sensitivity,” International Conference on Infrared, Millimeter and THz Waves (IRMMW-THz 2015), Hong Kong (23-28 August 2015), Oral presentation # H1D-2, IEEE Proc. DOI: 10.1109/IRMMW-THz.2015.7327488

6. R. Ladret, A. J. Kreisler, and A. F. Dégardin, “YBCO-Constriction Hot Spot Modeling: DC and RF Descriptions for HEB THz Mixer Noise Temperature and Conversion Gain,” IEEE Trans. Appl. Supercond. 25 (3), p. 2300505 (2015).

7. I. Türer, A. F. Dégardin, and A. J. Kreisler, “UWB Antennas for CW Terahertz Imaging: Geometry Choice Criteria,” Ultra-Wideband, Short-Pulse Electromagnetics 10, F. Sabath and E.L. Mokole Eds., Springer, Chap. 42, pp. 463-472 (2014).

8. A. F. Dégardin, X. Galiano, A. Gensbittel, O. Dubrunfaut, V. S. Jagtap, and A. J. Kreisler, "Amorphous Y–Ba–Cu–O oxide thin films: Structural, electrical and dielectric properties correlated with uncooled infrared pyroelectric detection performances," Thin Solid Films 553, pp. 104-108 (2014).

9. R. G. Ladret, A. F. Dégardin, and A. J. Kreisler, "Nano-patterning and hot spot modeling of YBCO ultrathin film constrictions for THz mixers," IEEE Trans. Appl. Supercond. 23(3), p. 23003305 (2013).