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Superradiant laser

From Wikipedia, the free encyclopedia

A superradiant laser is a laser that does not rely on a large population of photons within the laser cavity to maintain coherence.[1][2]

Rather than relying on photons to store phase coherence, it relies on collective effects in an atomic medium to store coherence. Such a laser uses repumped Dicke superradiance (or superfluorescence) to sustain emission of light that can have a substantially narrower linewidth than a conventional laser.[3]

References

  1. ^ "'Superradiant' laser created for first time". physicsworld.com. Apr 5, 2012.
  2. ^ "New Way of Lasing: A 'Superradiant' Laser". Science Daily. April 4, 2012.
  3. ^ Meiser, D. "Prospects for a Millihertz-Linewidth Laser". Physical Review Letters. 102. arXiv:0901.3105. Bibcode:2009PhRvL.102p3601M. doi:10.1103/PhysRevLett.102.163601.


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Superradiant laser
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