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Anthony F. Starace Publications
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Document Type
Article
Date of this Version
6-14-1999
Abstract
We demonstrate that a weak, static electric field enables nearly complete coherent phase control of the total ionization yield in a two-color ionization process using fundamental and second-harmonic radiation. The static electric field induces a dipole-forbidden resonance in the two-photon transition amplitude so that the final photoelectron states are identical to those in a single photon transition. We demonstrate also a phase controllable circular dichroism effect in the total photoelectron yield. Experimental realization of this process using alkali metal atoms is discussed.
Comments
Published by American Physical Society. Phys. Rev. Letters 82, 4791 (1999). http://prl.aps.org. Copyright © 1999 American Physical Society. Permission to use.