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Optica Publishing Group
  • Chinese Optics Letters
  • Vol. 4,
  • Issue 4,
  • pp. 215-218
  • (2006)

Threshold gain behavior of lasing modes in two-dimensional active random media

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Abstract

The pumping rate dependence of the peak intensity of the individual lasing mode in two-dimensional (2D) active random media is investigated. The results show that these modes have a typical threshold gain behavior and different threshold pumping rates. There exists a certain correspondence between the mode's threshold pumping rate and its lifetime, and the longer the lifetime is, the lower the threshold is.

© 2005 Chinese Optics Letters

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