Phase control of Autler-Townes doublet in ionization continuum by two-color laser fields

Lambrecht U, Nurhuda M, Faisal F (1998)
PHYSICAL REVIEW A 57(5): R3176-R3179.

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Abstract
The possibility of modulation of an Autler-Townes doublet structure in an atomic continuum by changing the phase difference between two incident femtosecond laser pulses is investigated theoretically. Numerical simulations are carried out by solving the three-dimensional time-dependent Schrodinger equation for a Na atom interacting with a two-color field, a fundamental, and its second harmonic. It is found that a sinusoidal modulation of the individual members of the doublet, as a function of the phase difference, can be achieved at low intensities of the order of 10(10) W/cm(2). Such modulations of the sharply defined electron currents (where the width is of the order of the fine structure of the Autler-Townes levels) may be detected by high-resolution photoelectron spectroscopy. It is also shown that at a higher intensity of the order of 10(12) W/cm(2) the amplitude of modulation diminishes, indicating that lower intensities are to be preferred for the present purpose.
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Lambrecht U, Nurhuda M, Faisal F. Phase control of Autler-Townes doublet in ionization continuum by two-color laser fields. PHYSICAL REVIEW A. 1998;57(5):R3176-R3179.
Lambrecht, U., Nurhuda, M., & Faisal, F. (1998). Phase control of Autler-Townes doublet in ionization continuum by two-color laser fields. PHYSICAL REVIEW A, 57(5), R3176-R3179.
Lambrecht, U., Nurhuda, M., and Faisal, F. (1998). Phase control of Autler-Townes doublet in ionization continuum by two-color laser fields. PHYSICAL REVIEW A 57, R3176-R3179.
Lambrecht, U., Nurhuda, M., & Faisal, F., 1998. Phase control of Autler-Townes doublet in ionization continuum by two-color laser fields. PHYSICAL REVIEW A, 57(5), p R3176-R3179.
U. Lambrecht, M. Nurhuda, and F. Faisal, “Phase control of Autler-Townes doublet in ionization continuum by two-color laser fields”, PHYSICAL REVIEW A, vol. 57, 1998, pp. R3176-R3179.
Lambrecht, U., Nurhuda, M., Faisal, F.: Phase control of Autler-Townes doublet in ionization continuum by two-color laser fields. PHYSICAL REVIEW A. 57, R3176-R3179 (1998).
Lambrecht, U, Nurhuda, M, and Faisal, Farhard. “Phase control of Autler-Townes doublet in ionization continuum by two-color laser fields”. PHYSICAL REVIEW A 57.5 (1998): R3176-R3179.
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