Abstract
Avalanches of resonant phonons generated by stimulated emission within the optically excited Ē(2E) doublet are observed in a 400-μm thick fiber of single-crystalline ruby. In comparison with bulk ruby, the avalanches develop fully in a shorter time because the phonons are confined to the active medium by reflection from the fiber boundaries. Position-independent rate equations adequately describe the dynamics.
Original language | English |
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Pages (from-to) | 2306-2308 |
Number of pages | 3 |
Journal | Physical review. B, condensed matter |
Volume | 56 |
Issue number | 5 |
DOIs | |
Publication status | Published - 1 Aug 1997 |