Deterministic control of broadband light through a multiply scattering medium via the multispectral transmission matrix

Abstract

We present a method to measure the spectrally-resolved transmission matrix of a multiply scattering medium, thus allowing for the deterministic spatiospectral control of a broadband light source by means of wavefront shaping. As a demonstration, we show how the medium can be used to selectively focus one or many spectral components of a femtosecond pulse, and how it can be turned into a controllable dispersive optical element to spatially separate different spectral components to arbitrary positions.

minor changes, with additional discussion of the results. Fig 4 now split into two separate figures

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