Volume 82, Number 5, June 2008
|Number of page(s)||6|
|Section||Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics|
|Published online||19 May 2008|
Observation of ultra-narrow electromagnetically induced transparency and slow light using purely electronic spins in a hot atomic vapor
Laboratoire Aimé Cotton, CNRS-Université Paris Sud 11 - 91405 Orsay, France, EU
2 School of Physical Sciences, Jawaharlal Nehru University - New Delhi - 110 067, India
3 Centre de Recherche sur les Ions, les Matériaux et la Photonique - 6 boulevard du Maréchal Juin, 14050 Caen, France, EU
Corresponding author: email@example.com
Accepted: 7 April 2008
Electromagnetically induced transparency (EIT) is observed in gaseous 4He at room temperature. Ultra-narrow (less than 10kHz) EIT windows are obtained for the first time for purely electronic spins in the presence of Doppler broadening. The positive role of collisions is emphasized through measurements of the power dependence of the EIT resonance. The measurement of slow light opens up possible ways to applications.
PACS: 42.50.Gy – Effects of atomic coherence on propagation, absorption, and amplification of light; electromagnetically induced transparency and absorption / 42.25.Bs – Wave propagation, transmission and absorption / 42.50.Nn – Quantum optical phenomena in absorbing, amplifying, dispersive and conducting media
© EPLA, 2008
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