From laser-induced line narrowing to electro- magnetically induced transparency: closed system analysis |
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| Authors: | H Lee Y Rostovtsev CJ Bednar A Javan |
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| Institution: | (1) Department of Physics, Texas A&M University, College Station, TX 77843, USA, US;(2) Max-Planck-Institut für Quantenoptik, 85748 Garching, Germany, DE;(3) Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA, US |
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| Abstract: | The 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.”
Received: 17 December 2001 / Published online: 15 January 2003
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ID="*"Corresponding author. E-mail: hwang.Lee@jpl.nasa.gov
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ID="**"Present address: Jet Propulsion Laboratory, MS 126-347, California Institute of Technology, Pasadena, CA 91109, USA |
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| Keywords: | PACS: 32 70 Jz 42 50 Gy 42 55 -f 42 65 -k |
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