4.6 Article

Temporal light control in complex media through the singular-value decomposition of the time-gated transmission matrix

Journal

PHYSICAL REVIEW A
Volume 105, Issue 5, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.105.L051501

Keywords

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Funding

  1. European Research Council [724473]
  2. European Union [888707]
  3. Austrian Science Fund (FWF) [P32300]
  4. Australian Research Council [DE210100934]
  5. Australian Research Council [DE210100934] Funding Source: Australian Research Council
  6. Marie Curie Actions (MSCA) [888707] Funding Source: Marie Curie Actions (MSCA)
  7. European Research Council (ERC) [724473] Funding Source: European Research Council (ERC)

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The complex temporal behavior of an ultrashort pulse of light propagating through a multiple scattering medium can be experimentally characterized using a time-gated transmission matrix. We demonstrate that injecting singular vectors of this matrix allows optimal control of energy deposition at any controllable delay time. Our approach provides insights into fundamental aspects of multispectral light scattering and could be applied to imaging or coherent control.
The complex temporal behavior of an ultrashort pulse of light propagating through a multiple scattering medium can be characterized experimentally through a time-gated transmission matrix. Using a spatial light modulator, we demonstrate here that injecting singular vectors of this matrix allows us to optimally control the energy deposition at any controllable delay time. Our approach provides insights into the fundamental aspects of multispectral light scattering and could find applications in imaging or coherent control.

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