From laser-induced line narrowing to electro- magnetically induced transparency: closed system analysis
| Autor: | Chris J. Bednar, Ali Javan, Yuri V. Rostovtsev, Hwang Lee |
|---|---|
| Rok vydání: | 2003 |
| Předmět: |
Physics
Quantum Physics Physics and Astronomy (miscellaneous) Atomic Physics (physics.atom-ph) Electromagnetically induced transparency Closed system General Engineering FOS: Physical sciences General Physics and Astronomy Laser Physics - Atomic Physics law.invention Optical pumping symbols.namesake Laser linewidth Transmission (telecommunications) law symbols Atomic physics Quantum Physics (quant-ph) Spectroscopy Doppler effect |
| Zdroj: | Applied Physics B: Lasers and Optics. 76:33-39 |
| ISSN: | 1432-0649 0946-2171 |
| DOI: | 10.1007/s00340-002-1030-5 |
| Popis: | Laser induced line narrowing effect, discovered more than thirty years ago, can also be applied to recent studies in high resolution spectroscopy based on electromagnetically induced transparency. In this paper we first present a general form of the transmission width of electromagnetically induced transparency in a homogeneously broadened medium. We then analyze a Doppler broadened medium by using a Lorentzian function as the atomic velocity distribution. The dependence of the transmission linewidth on the driving field intensity is discussed and compared to the laser induced line narrowing effect. This dependence can be characterized by a parameter which can be regarded as ``the degree of optical pumping''. Comment: 8 pages, 5 figures |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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