Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2007-01-25
Phys. Rev. Lett. 99, 073902 (2007)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
Accepted for publication in Physical Review Letters. Published, somewhat shortened version
Scientific paper
10.1103/PhysRevLett.99.073902
We propose the new concept of a switchable multimode microlaser. As a generic, realistic model of a multimode microresonator a system of two coupled defects in a two-dimensional photonic crystal is considered. We demonstrate theoretically that lasing of the cavity into one selected resonator mode can be caused by injecting an appropriate optical pulse at the onset of laser action (injection seeding). Temporal mode-to-mode switching by re-seeding the cavity after a short cool-down period is demonstrated by direct numerical solution. A qualitative analytical explanation of the mode switching in terms of the laser bistability is presented.
Chigrin Dmitry N.
Kroha Johann
Lavrinenko Andrei V.
Zhukovsky Sergei V.
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