Journal
PHYSICAL REVIEW LETTERS
Volume 84, Issue 24, Pages 5584-5587Publisher
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevLett.84.5584
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We have observed spatial confinement of laser light in micrometer-sized random media. The optical confinement is attributed to the disorder-induced scattering and interference. Our experimental data suggest that coherent amplification of the scattered light enhances the interference effect and helps the spatial confinement. Using the finite-difference time-domain method, we simulate lasing with coherent feedback in the active random medium.
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