Abstract
The polarization spectrum of a two-level atom driven by a symmetrical bichromatic pump field is examined. It is shown that the heterodyne parametric four-wave interactions result in the amplification of a weak probe field without population inversion at the line center in a wide range of pump and probe field intensities. (C) 1999 Published by Elsevier Science B.V.
Original language | English |
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Pages (from-to) | 142-147 |
Number of pages | 6 |
Journal | Physics Letters, Section A: General, Atomic and Solid State Physics |
Volume | 264 |
Issue number | 2-3 |
DOIs | |
Publication status | Published - 1999 Dec 20 |
Externally published | Yes |
Bibliographical note
Funding Information:The authors wish to acknowledge the financial support in part by the Ministry of Science and Technology (MOST), Korea, Project No. KRISS 99-0401-001.
Keywords
- Amplification without population inversion
- Bichromatic pump field
- Two-level atom
- Two-photon emission
ASJC Scopus subject areas
- General Physics and Astronomy