Phys. Rev. A 65, 031403(R) (2002) [4 pages]Coherent control of extreme uv absorption and photoemission by the simultaneous irradiation of ultrashort extreme uv and laser pulses
We present a theoretical study on the response of a hydrogen atom to the simultaneous irradiation of ultrashort extreme ultraviolet (xuv) and laser pulses. The calculation is based on the time-dependent Schrödinger equation. The xuv photon energy is chosen to induce the 1s-2p transition. Our results indicate that we can transiently reduce the xuv absorption and change the atomic state within a few femtoseconds by injecting a femtosecond laser pulse. The laser-induced photoemission is affected by the addition of an xuv pulse and its yield depends much on the temporal overlap of the two pulses. © 2002 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.65.031403
DOI:
10.1103/PhysRevA.65.031403
PACS:
42.50.Hz, 42.65.Ky, 32.80.-t
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