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PhD position - Dynamical Optics Experiments with Spatial Light Modulator based on a Neuromorphic Approach


Employer: FEMTO-ST Institute/optics Dept
Location:
Posted: July 31, 2014
Expires: September 29, 2014
Requisition number:

Science jobs from FEMTO-ST Institute/optics Dept:
The subject takes place in the context of important research activities in OPTO group in FEMTO-ST Institute, Besancon, France. It concerns characterization, smart control and generation of complex laser beams and photonics neuromorphic approaches. The challenge consists in realizing this study with an experimental set-up available in the lab, constituted by a spatial light modulator (SLM) mounted on an optical bench dedicated to spatial light beam shaping and recorded onto a 5 Mp USB CMOS camera. The work will concern numerical and experimental study for the generation of complex phase mask computed by digital holography reachable in real time. The information theory will be considered in order to perform and enhance light beam acquisition and its treatment. The active control will be implemented along a feedback loop based on a particular photonic reservoir computing topology (Artificial Neural Network). The aimed application is to develop a real time nonlinear control tool for micro-nano-machining by ultrashort laser pulses. Contact : Maxime Jacquot FEMTO-ST UMR 6174 CNRS Département d'Optique P.M. Duffieux - UFC maxime.jacquot@univ-fcomte.fr

Related papers : [1] R. Martinenghi, S. Rybalko, M. Jacquot, Y. K. Chembo, and L. Larger, "Photonic nonlinear transient computing with multiple-delay wavelength dynamics", Phys. Rev. Lett., Vol. 108, 244101, (2012) [2] F. Courvoisier, A. Mathis, L. Froehly, R. Giust, L. Furfaro, P. A. Lacourt, M. Jacquot, and J. M. Dudley, "Sending femtosecond pulses in circles: highly nonparaxial accelerating beams," Opt. Lett. 37, 1736-1738 (2012). [3] 9. A. Mathis, F. Courvoisier, L. Froehly, L. Furfaro, M. Jacquot, P. A. Lacourt, and J. M. Dudley, Appl. Phys. Lett. 101 071110 (2012). [4] A. Mathis, F. Courvoisier, R. Giust, L. Furfaro, M. Jacquot, L. Froehly, and J. M. Dudley, "Arbitrary nonparaxial accelerating periodic beams and spherical shaping of light," Opt. Lett. 38, 2218-2220 (2013) Citations [5] R. Lavrov, M. Jacquot, and L. Larger, "Nonlocal nonlinear electro-optic phase dynamics demonstrating 10 Gb/s chaos communications," IEEE J. Quantum Electron. 46, 1430-1435 (2010).

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