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Physical Review A

Comment on "Effective excitation method of a three-level medium in a selective photoionization" (2 pages)

B. M. Suri, Gaurav Gupta

Published Jan 1, 2006• 0 citations
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Comment on “Effective excitation method of a three-level medium in a selective photoionization”

Gaurav Gupta, B. M. Suri

Analytical formulas of optimal detunings for efficient and selective excitation of a three-level atomic system derived by Choe et al. [Phys. Rev. A 52, 382 (1995)] predict the values of optimal detunings substantially different from the values mentioned in their paper.

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Reply to “Comment on ‘Effective excitation method of a three-level medium in a selective photoionization’”

Yongjoo Rhee

The Comment by G. P. Gupta and B. M. Suri is based on incorrect values of Rabi frequencies, which was caused by a mistake made in the expression of units of Rabi frequencies in the original paper.Received 13 February 2006DOI:https://doi.org/10.1103/PhysRevA.74.016702©2006 American Physical Society

Physical Review A•Jul 21, 2006•0 citations

Effective excitation method of a three-level medium in a selective photoionization

A. S. Choe, Yongjoo Rhee, Jongmin Lee +4 more

A principle for the efficient excitation of a three-level medium in a selective photoionization method is examined. It is shown that with special detunings for a given set of the laser-atom interaction the third-level population can be maximized. The expression of the optimal detunings is derived near the two-photon resonance region. It is shown that if the optimal detuning method is applied to three-level systems of Yb and Ca, the first-level populations are inverted to their corresponding third levels by about 100% and 86%, respectively. Application of this method to a Doppler-broadened medium is discussed and it is found that the optimal detuning method with counterpropagating waves will be very effective for selective ionization of wanted atoms.

Physical Review A•Jul 1, 1995•14 citations
A principle for the efficient excitation of a three-level medium in a selective photoionization method is examined. It is shown that with special detunings for a given set of the laser-atom interaction the third-level population can be maximized. The expression of the optimal detunings is derived near the two-photon resonance region. It is shown that if the optimal detuning method is applied to three-level systems of Yb and Ca, the first-level populations are inverted to their corresponding third levels by about 100% and 86%, respectively. Application of this method to a Doppler-broadened medium is discussed and it is found that the optimal detuning method with counterpropagating waves will be very effective for selective ionization of wanted atoms.