Low-Speed and Suspended Propagation of Light Pulses in Atomic Medium with Electromagnetically Induced Transparency

• Authors: D. Dziczek , B. Ziętek , S. Chwirot
• Languages of publication: EN

Abstracts

EN

Experiments on hot rubidium vapor as an atomic medium with electromagnetically induced transparency for radiation of 795 nm wavelength (D1 absorption line of rubidium) are reported. Propagation of light pulses with velocity reduced to 11.5 km/s has been observed with a significant modification of the shape of square input pulses to adapt to the spectral window of induced transparency. So-called light storage, i.e. suspension of the propagation of light pulses in the medium by temporary turn-off of the electromagnetically induced transparency state was also demonstrated. "Storage" periods of several microseconds, limited by relatively fast relaxation of atomic spin polarization in the volume of interaction of atoms with radiation, were obtained.

Keywords

EN

32.80.Qk; 42.25.Bs; 42.50.Gy

Discipline

• 42.25.Bs: Wave propagation, transmission and absorption[see also 41.20.Jb—in electromagnetism; for propagation in atmosphere, see 42.68.Ay; see also 52.40.Db Electromagnetic (nonlaser) radiation interactions with plasma and 52.38-r Laser-plasma interactions—in plasma physics]
• 42.50.Gy: Effects of atomic coherence on propagation, absorption, and amplification of light; electromagnetically induced transparency and absorption
• 32.80.Qk: Coherent control of atomic interactions with photons

• Journal: Acta Physica Polonica A
• Year: 2004
• Volume: 106
• Issue: 1
• Pages: 13-23

Dates

published

2004-07

received

2004-05-18

Contributors

author

D. Dziczek

• Department of Atomic, Molecular and Optical Physics, Institute of Physics, Nicolaus Copernicus University, Grudziądzka 5/7, 87-100 Toruń, Poland

author

B. Ziętek

• Department of Atomic, Molecular and Optical Physics, Institute of Physics, Nicolaus Copernicus University, Grudziądzka 5/7, 87-100 Toruń, Poland

author

S. Chwirot

• Department of Atomic, Molecular and Optical Physics, Institute of Physics, Nicolaus Copernicus University, Grudziądzka 5/7, 87-100 Toruń, Poland

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Identifiers

DOI

10.12693/APhysPolA.106.13