64 citations · 146 across the 7 of their papers we have counts for
7 papers
Experimental phase control of a 100 laser beam array with quasi-reinforcement learning of a neural network in an error reduction loop
Maksym Shpakovych, Geoffrey Maulion, Vincent Kermene +4
An innovative scheme is proposed for the dynamic control of phase in two-dimensional laser beam array. It is based on a simple neural network that predicts the complex field array…
Random scattering and alternating projection optimization for active phase control of a laser beam array
J. Saucourt, P. Armand, V. Kermene +2
A fraction of a laser beam array, whose unknown phase relationships must be set to prescribed values, is launched into a scattering media with random transmission. The resulting ou…
Wavefront shaping for optimized many-mode Kerr beam self-cleaning in graded-index multimode fiber
E. Deliancourt, M. Fabert, A. Tonello +7
We report experimental results, showing that the Kerr beam self-cleaning of many low-order modes in a graded-index multimode fiber can be controlled thanks to optimized wavefront s…
Kerr beam self-cleaning on the mode in graded-index multimode fiber
E. Deliancourt, M. Fabert, A. Tonello +7
We report the experimental observation of Kerr beam self-cleaning in a graded-index multimode fiber, leading to output beam profiles different from a bell shape, close to the $LP_{…
Fast transmission matrix measurement of a multimode fiber with common path reference
Raphael Florentin, Vincent Kermene, AgnÈs Desfarges-berthelemot +1
We report an improved scheme for the measurement of the transmission matrix of multimode waveguides in which the reference field co-propagates with the signal wave. The performance…
Space-time adaptive control of femtosecond pulses amplified in a multimode fiber
Raphael Florentin, Vincent Kermene, Agnes Desfarges-Berthelemot +1
Ultrashort light pulse transport and amplification in a 1.3 m long step-index multimode fiber with gain and with weak coupling has been investigated. An adaptive shaping of the inp…
Coherent combining in an Yb doped double core fiber laser
Johan Boullet, David Sabourdy, Agnès Desfarges-Berthelemot +5
Coherent combining is demonstrated in a clad pumped Yb doped double core fiber laser. A slope efficiency of more than 70 % is achieved with 96 % of the total output power on the fu…