Deterministic light focusing in space and time through multiple scattering media with a Time-Resolved Transmission Matrix approach
arXiv:1607.06331 · doi:10.1103/PhysRevA.94.041802
Abstract
We report a method to characterize the propagation of an ultrashort pulse of light through a multiple scattering medium by measuring its time-resolved transmission matrix. This method is based on the use of a spatial light modulator together with a coherent time-gated detection of the transmitted speckle field. Using this matrix, we demonstrate the focusing of the scattered pulse at any arbitrary position in space and time after the medium. Our approach opens new perspectives for both fundamental studies and applications in imaging and coherent control in disordered media.
4 pages, 4 figures
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- Control of the temporal and polarization response of a multimode fiber
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- Temporal recompression through a scattering medium via a broadband transmission matrix
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- Observation of mutual extinction and transparency in light scattering
- Pseudounitary Floquet scattering matrix for wave-front shaping in time-periodic photonic media
- Temporal shaping of wave fields for optimally precise measurements in scattering environments
- Spectrally-resolved point-spread-function engineering using a complex medium
- Correlating light fields through disordered media across multiple degrees of freedom
- Temporal light control in complex media through the singular value decomposition of the time-gated transmission matrix
- Joint control of coherent transmission, reflection, and absorption