Laser pulse sharpening with electromagnetically induced transparency in plasma

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Abstract

We propose a laser-controlled plasma shutter technique to generate sharp laser pulses using a process analogous to electromagnetically induced transparency in atoms. The shutter is controlled by a laser with moderately strong intensity, which induces a transparency window below the cutoff frequency, and hence enables propagation of a low frequency laser pulse. Numerical simulations demonstrate that it is possible to generate a sharp pulse wavefront (sub-ps) using two broad pulses in high density plasma. The technique can work in a regime that is not accessible by plasma mirrors when the pulse pedestals are stronger than the ionization intensity.

Original languageEnglish (US)
Article number073108
JournalPhysics of Plasmas
Volume24
Issue number7
DOIs
StatePublished - Jul 1 2017

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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