Jérôme DEGERT est membre de l’équipe Photonique & Matériaux., thématique Photonics and Ultrafast Spectrocopy.

 

Techniques de recherche

Techniques de recherche

Thèmes

Thèmes

  • Ultrashort laser and terahertz sources.
  • Nonlinear optics, time-resolved spectroscopy, coherent control, laser induced phase transitions.
  • Nanoscience and Nanotechnology.
Collaborations

Collaborations

Informations à venir…

Publications

Publications

 

  • A. Ould Hamouda, B. Viquerat, J. Degert, S. F. Matar, J. F. Létard, F. Guillaume, E. Freysz, “Impact of Spin State Transition on Vibrations of [Fe–(PM–BiA)2(NCS)2] and [Fe–(PM–PEA)2(NCS)2] Spin Crossover Compounds: Experimental and Theoretical Far IR and Raman Study, EurJIC 2018, 385–393 (2018).
  • M. Brossard, H. Cahyadi, M. Perrin, J. Degert, E. Freysz, T. Yasui, E. Abraham, “Direct Wavefront Measurement of Terahertz Pulses Using Two-Dimensional Electro-Optic Imaging,” IEEE Transactions on Terahertz Science and Technology 7, 741-746 (2017).
  • A. Minasyan, C. Trovato, J. Degert, E. Freysz, E. Brasselet, E. Abraham, “Geometric phase shaping of terahertz vortex beams,” Opt. Lett. 42, 41-44 (2017).
  • J. Degert, M. Cornet, E. Abraham, E. Freysz, “Simple and distortion-free optical sampling of terahertz pulses via heterodyne detection schemes,” J. Opt. Soc. Am. B. 33, 2045-2050 (2016).
  • E. Abraham, H. Cahyadi, M. Brossard, J. Degert, E. Freysz, T. Yasui, “Development of a wavefront sensor for terahertz pulses,” Optics Express 24, 5203-5211 (2016).
  • M. Cornet, J. Degert, E. Abraham, E. Freysz, “Frequency resolved cross-correlation between optical and terahertz pulses : application to ultrashort laser pulse characterization,” Optics Express 24, 3003-3010 (2016).
  • A. Iazzolino, G. Gallé, J. Degert, J.-F. Létard, E. Freysz, “Impact of the spin state switching on the dielectric constant of iron (II) spin crossover nanoparticles,” Chem. Phys. Lett. 641, 14-19 (2015).
  • O. M. Fedotova, O. K. Khasanov, G. A. Rusetsky, J. Degert, E. Freysz, “Nonlinear propagation of terahertz pulses in ammonia vapor,” Phys. Rev. A 90, 053843 (2014).
  • M. Cornet, J. Degert, E. Abraham, E. Freysz, “Terahertz-field-induced second harmonic generation through Pockels effect in Zinc Telluride crystal,” Opt. Lett. 39, 5921-5924 (2014).
  • M. Cornet, J. Degert, E. Abraham, E. Freysz, “Terahertz Kerr effect in Gallium Phosphide crystal,” J. Opt. Soc. Am. B. 31, 1648-1652 (2014).
  • S. Vidal, J. Degert, M. Tondusson, E. Freysz, J. Oberlé, ‘‘Optimized terahertz generation via optical rectification in ZnTe crystals’’, J. Opt. Soc. Am. B. 31 (1), 149-153 (2014).
  • W. Hellel, A. Ould Hamouda, J. Degert, J. F. Létard, E. Freysz, ‘‘Switching of spin-state complexes induced by the interaction of a laser beam with their host matrix’’, Appl. Phys. Lett. 103, 143304 (2013).
  • G. Gallé, C. Etrillard, J. Degert, F. Guillaume, J.-F. Létard, E. Freysz, ‘‘Study of the fast photoswitching of spin crossover nanoparticles outside and inside their thermal hysteresis loop,’’ Appl. Phys. Lett. 102, 063302 (2013).
  • B. Viquerat, J. Degert, J. F. Létard, E. Freysz, ‘‘Relaxation oscillations during the laser-induced spin state transition of a [Fe(PM-BiA)2(NCS)2] complex,’’ Phys. Rev. B 87, 024303 (2013).
  • M .Tondusson, J. Degert, F. Couchot, X. Sarrazin, M. Urban, J. Oberlé, E. Freysz, ‘‘Group index determination by pulse delay measurements and dispersion study in the zero dispersion region of fused silica,’’ J. Opt. Soc. Am. B 29, 2797-2802 (2012).
  • B. Viquerat, J. Degert, M. Tondusson, C. Mauriac, J.F. Létard, E. Freysz, ‘‘Time-Domain Terahertz Spectroscopy of Spin State Transition in [Fe(NH2-trz)3]2+ Spin Crossover Compounds, ’’ Appl. Phys. Lett. 99, 061908 (2011).
  • S. Vidal, J. Degert, J. Oberlé, E. Freysz, ‘‘Impact of dispersion, free carriers and two-photon absorption on the generation of intense THz pulses in ZnTe crystals,’’ Appl. Phys. Lett. 98, 191103 (2011).
  • G. Gallé, J. Degert, C. Mauriac, C. Etrillard, J.-F. Létard, E. Freysz, ‘‘Nanosecond study of spin state transition induced by a single nanosecond laser shot on [Fe(NH2-trz)3] compounds inside and outside their thermal hysteresis loops,’’ Chem. Phys. Lett. 500, 18-22 (2010).
  • E. Freysz, J. Degert, ‘‘Nonlinear optics : Terahertz Kerr effect,’’ Nature Photonics 4 (3), 131-132 (2010).
  • S. Vidal, J. Degert, J. Oberlé, E. Freysz, ‘‘Femtosecond optical pulse shaping for tunable terahertz pulses generation,’’ J. Opt. Soc. Am. B. 27 (5), 1044-1050 (2010).
  • O. Fouché, J. Degert, G. Jonusauskas, N. Daro, J.-F. Létard, E. Freysz, ‘‘Mechanism for optical switching of the spin crossover [Fe(NH2-trz)3](Br)2•3H2O compound at room temperature,’’ Phys. Chem. Chem. Phys. 12 (12), 3044-3052 (2010).
  • G. Gallé, D. Deldicque, J. Degert, Th. Forestier, J.-F. Létard, E. Freysz, ‘‘Room temperature study of the optical switching of a spin crossover compound inside its thermal hysteresis loop,’’ Appl. Phys. Lett. 96 (4), 041907 (2010).
  • O. Fouché, J. Degert, G. Jonusauskas, C. Baldé, C. Desplanche, J.-F. Létard, E. Freysz, ‘‘Laser induced spin state transition : Spectral and temporal evolution,’’ Chem. Phys. Lett. 469, 274-278 (2009).
  • C. D’Amico, M. Tondusson, J. Degert, E. Freysz, ‘‘Tuning and focusing THz pulses by shaping the pump laser beam profile in a nonlinear crystal,’’ Optics Express 17 (2), 592-597 (2009).
  • P. Mounaix, E. Freysz, J. Degert, N. Daro, J.-F. Létard, P. Kuzel, V. Vigneras, L. Oyenhart, “One-dimensional tunable photonic crystals with spin crossover material for the terahertz range,” Appl. Phys. Lett. 89 (17), 174105 (2006).
  • P. Mounaix , N. Lascoux, J. Degert, E. Freysz, A. Kobayashi, N. Daro, J.-F. Létard, “Dielectric characterization of [(Fe(NH2)Trz2)]Br2•H2O thermal spin crossover compound by terahertz time domain spectroscopy,” Appl. Phys. Lett. 87 (24), 1-3 (2005).
  • J. Degert, N. Lascoux, S. Montant, S. Létard, E. Freysz, G. Chastanet, J.-F. Létard, “Complete temperature study of the relaxation from the high-spin state to low-spin state in a strongly cooperative spin crossover compound,” Chem. Phys. Lett. 415, 206-210 (2005).
  • W. Wohlleben, J. Degert, B. Chatel, M. Motzkus, B. Girard, “Coherent transients as highly sensitive probes for femtosecond pulse shapers,” Appl. Phys. B 79, 435-439 (2004).
  • B. Chatel, J. Degert, B. Girard, “Role of quadratic and cubic spectral phases in ladder climbing with ultrashort pulses,” Phys. Rev. A 70, 053414 (2004).
  • B. Chatel, J. Degert, S. Stock, B. Girard, “Competition between sequential and direct paths in a two-photon transition,” Phys. Rev. A 68, 041402 (2003).
  • J. Degert, C. Meier, B. Chatel, B. Girard, “Coherent control of matter wave interferences in molecular predissociation,” Phys. Rev. A 67, 041402 (2003).
  • J. Degert, W. Wohlleben, B. Chatel, M. Motzkus, B. Girard, “Realization of a time-domain Fresnel lens with Coherent control,” Phys. Rev. Lett. 89 (20), 203003 (2002).
  • S. Zamith, J. Degert, S. Stock, B. de Beauvoir, V. Blanchet, M. A. Bouchene, B. Girard, “Observation of Coherent Transients in Ultrashort Chirped Excitation of an undamped Two-Level System,” Phys. Rev. Lett. 87 (3), 033001 (2001).
  • J. Degert, C. Meier, B. Girard, M.J.J. Vrakking, “Time-dependent fragment distributions detected via pump-probe ionisation : a theoritical approach,” Eur. Phys. J. D 14, 257-265 (2001).

 

 

Curriculum vitae

Curriculum vitae

September 2016: Professor, Université de Bordeaux.

June 2015: Habilitation à Diriger des Recherches, Université de Bordeaux (HDR J. Degert).

September 2003: Associate Professor, Université Bordeaux 1.

2003: Post-doctoral research at the Max-Planck-Institut für Quantenoptik, Garching, Germany.

2002 – 2003: Attaché temporaire d’enseignement et de recherche, Université Paul Sabatier, Toulouse.

1999 – 2002: PhD degree in Atomic and Molecular Physics, Université Paul Sabatier, Toulouse, Supervisors : B. Chatel, B. Girard (thesis file).

JeromeDegert

Jérôme DEGERT

Laboratoire Ondes et Matière d’aquitaine (LOMA)
351 cours de la libération
33405 Talence Cedex

Phone : + 33 (0)5 40 00 89 97
Fax : + 33 (0)5 40 00 69 70
E-mail: jerome.degert@u-bordeaux.fr