Femtosecond two-photon Rabi oscillations in excited He driven by ultrashort intense laser fields

Mizuho Fushitani,Chien-Nan Liu,Akitaka Matsuda,Tomoyuki Endo,Y. Toida,Mitsuru Nagasono,Tadashi Togashi,Makina Yabashi,Tetsuya Ishikawa,Y. Hikosaka,Toru Morishita,Akiyoshi Hishikawa

Femtosecond two-photon Rabi oscillations in excited He driven by ultrashort intense laser fields

2016

Mizuho Fushitani
Chien-Nan Liu
Akitaka Matsuda
Tomoyuki Endo
Y. Toida
Mitsuru Nagasono
Tadashi Togashi
Makina Yabashi
Tetsuya Ishikawa
Y. Hikosaka
Toru Morishita
Akiyoshi Hishikawa

Two-photon Rabi oscillations are observed in He on a timescale of 10 fs by utilizing the strong-field phenomenon known as Freeman resonance. The importance of ponderomotive shifts of both the Rydberg states and the ionization limit is highlighted.

Keywords:

Rydberg formula
Optics
Atomic physics
Rabi cycle
Physics
Ionization
Resonance
Laser
Excited state
Phenomenon
Nonlinear optics
Quantum information
Femtosecond
Ultrashort pulse
Coherent control

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