Controlling the Propagation of Light in Multimode Fibers

The control of light propagation in optical multimode fibers is an active and fast growing field of research. Multimode fibers allow different trajectories – or modes – to propagate. Taking advantage of this spatial degrees of freedom would allow increasing significantly the number of channels in optical fiber communication systems by using a MIMO (Multiple-Inputs / Multiple-Outputs) approach. Similarly, researchers investigate the way to control and study light in multimode fibers for their use as a minimally invasive endoscopic imaging device.

Taking advantage of the expertise of the Langevin Institute in the manipulation of light in complex media, the PhD candidate will use wavefront shaping techniques to study and control light propagation in multimode fibers for imaging and communication applications.

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