Bose-Einstein condensation of excitons and polaritons
Bose-Einstein condensation of excitons and polaritons
Bose-Einstein condensation of excitons and polaritons
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Is there a difference between polariton BEC <strong>and</strong> lasing?<br />
coherent light emitted<br />
• spectral narrowing<br />
• linear polarization<br />
• beamlike emission<br />
(Is current emitted from a superconductor different?<br />
output = probe <strong>of</strong> state <strong>of</strong> matter)<br />
“phase space filling” ! “weak coupling”<br />
lasing<br />
A<br />
conduction b<strong>and</strong><br />
valence b<strong>and</strong>