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Squeezing and Intermode Correlations in Laser Diodes

Abstract : We demonstrate experimentally that the intensity noise of so-called "free-running single-mode" laser diodes results from a cancellation between very large anticorrelated fluctuations of the main mode, on one hand, and of many weak longitudinal side modes, on the other hand. When line narrowing techniques are used, intensity squeezing can be observed at room temperature, but this noise reduction is not always single-mode squeezing. These experimental results are in agreement with a simple phenomenological model using Langevin-type equations.
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https://hal-iogs.archives-ouvertes.fr/hal-00558942
Contributor : Philippe Grangier <>
Submitted on : Monday, January 24, 2011 - 3:10:32 PM
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Long-term archiving on: : Monday, April 25, 2011 - 3:15:26 AM

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F. Marin, Alberto Bramati, Elisabeth Giacobino, T.C. Zhang, Jean-Philippe Poizat, et al.. Squeezing and Intermode Correlations in Laser Diodes. Physical Review Letters, American Physical Society, 1995, 75, pp.4606. ⟨10.1103/PhysRevLett.75.4606⟩. ⟨hal-00558942⟩

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