Publication: Electromagnetically Induced Transparency with Noisy Lasers
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Date
2009
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American Physical Society
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Xiao, Yanhong, Tun Wang, Maria Baryakhtar, Mackenzie Van Camp, Michael Crescimanno, Michael Hohensee, Liang Jiang, et al. 2009. Electromagnetically induced transparency with noisy lasers. Physical Review A 80(041805R).
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Abstract
We demonstrate and characterize two coherent phenomena that can mitigate the effects of laser phase noise for Electromagnetically Induced Transparency (EIT): a laser-power-broadening-resistant resonance in the transmitted intensity cross-correlation between EIT optical fields; and a resonant suppression of the conversion of laser phase noise to intensity noise when one-photon noise dominates over two-photon-detuning noise. Our experimental observations are in good agreement with both an intuitive physical picture and numerical calculations. The results have wide-ranging applications to spectroscopy, atomic clocks and magnetometers.
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