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Probing molecular dynamics with attosecond resolution using correlated wave packet pairs

Author

Listed:
  • Hiromichi Niikura

    (National Research Council of Canada)

  • F. Légaré

    (National Research Council of Canada
    Université de Sherbrooke)

  • R. Hasbani

    (National Research Council of Canada)

  • Misha Yu Ivanov

    (National Research Council of Canada)

  • D. M. Villeneuve

    (National Research Council of Canada)

  • P. B. Corkum

    (National Research Council of Canada)

Abstract

Spectroscopic measurements with increasingly higher time resolution are generally thought to require increasingly shorter laser pulses, as illustrated by the recent monitoring of the decay of core-excited krypton1 using attosecond photon pulses2,3. However, an alternative approach to probing ultrafast dynamic processes might be provided by entanglement, which has improved the precision4,5 of quantum optical measurements. Here we use this approach to observe the motion of a D2+ vibrational wave packet formed during the multiphoton ionization of D2 over several femtoseconds with a precision of about 200 attoseconds and 0.05 ångströms, by exploiting the correlation between the electronic and nuclear wave packets formed during the ionization event. An intense infrared laser field drives the electron wave packet, and electron recollision6,7,8,9,10,11 probes the nuclear motion. Our results show that laser pulse duration need not limit the time resolution of a spectroscopic measurement, provided the process studied involves the formation of correlated wave packets, one of which can be controlled; spatial resolution is likewise not limited to the focal spot size or laser wavelength.

Suggested Citation

  • Hiromichi Niikura & F. Légaré & R. Hasbani & Misha Yu Ivanov & D. M. Villeneuve & P. B. Corkum, 2003. "Probing molecular dynamics with attosecond resolution using correlated wave packet pairs," Nature, Nature, vol. 421(6925), pages 826-829, February.
    • Handle: RePEc:nat:nature:v:421:y:2003:i:6925:d:10.1038_nature01430
    DOI: 10.1038/nature01430
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    Cited by:

    1. Zhenzhen Wang & Xiaoqing Hu & Xiaorui Xue & Shengpeng Zhou & Xiaokai Li & Yizhang Yang & Jiaqi Zhou & Zheng Shu & Banchi Zhao & Xitao Yu & Maomao Gong & Zhenpeng Wang & Pan Ma & Yong Wu & Xiangjun Che, 2023. "Directly imaging excited state-resolved transient structures of water induced by valence and inner-shell ionisation," Nature Communications, Nature, vol. 14(1), pages 1-10, December.

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