Ultrafast Multiphoton Manipulation of Quantum States by Intense Laser Pulses

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  • FUSHITANI Mizuho
    Department of Chemistry, Graduate School of Science, Nagoya University
  • HISHIKAWA Akiyoshi
    Department of Chemistry, Graduate School of Science, Nagoya University Research Center for Materials Science, Nagoya University

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  • 強レーザーパルスを用いた量子状態の超高速多光子操作
  • キョウ レーザーパルス オ モチイタ リョウシ ジョウタイ ノ チョウコウソク タミツコ ソウサ

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Abstract

Coherent light-matter interaction drives a variety of interesting processes in a quantum system. Rabi oscillation is one such process offering a periodic population transfer between quantum states in an ultrashort time scale. Here we demonstrate a robust and simple scheme to achieve femtosecond twophoton Rabi oscillations by intense NIR laser pulses, using excited He atoms prepared by EUV-FEL. The extension to multiphoton regime will expand the applicability to highly excited or dipole-forbidden states.

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