Coherent control of radiation patterns of nonlinear multiphoton processes in nanoparticles

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We propose a scheme for the coherent control of light waves and currents in metallic nanospheres which applies independently of the nonlinear multiphoton processes at the origin of waves and currents. We derive conditions on the external control field which enable us to change the radiation pattern and suppress radiative losses or to reduce absorption, enabling the particle to behave as a perfect scatterer or as a perfect absorber. The control introduces narrow features in the response of the particles that result in high sensitivity to small variations in the local environment, including subwavelength spatial shifts.
Original languageEnglish
Article number12040
Number of pages9
JournalScientific Reports
Publication statusPublished - 9 Jul 2015


  • nanoparticles
  • coherent control
  • metallic nanospheres


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