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Phys. Rev. Lett. 90, 063901 (2003) [4 pages]

Stable Oscillations of a Spatially Chaotic Wave Function in a Microstadium Laser

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Takahisa Harayama1, Peter Davis1, and Kensuke S. Ikeda1,2
1ATR Adaptive Communications Research Laboratories, 2-2-2 Hikaridai, Seika-cho, Soraku-gun, Kyoto 619-0228, Japan
2Department of Physics, Ritsumeikan University, 1916 Noji-cho, Kusatsu, Shiga 525, Japan

Received 14 June 2002; published 14 February 2003

Laser action on a single spatially chaotic wave function is obtained as a final stable state in a nonlinear dynamical model of a stadium shaped resonant cavity with an active medium. The stable single-mode lasing state corresponds to a particular metastable resonance of the cavity which wins a competition among multiple modes with positive net linear gain and has a distinct lasing threshold.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.90.063901
DOI:
10.1103/PhysRevLett.90.063901
PACS:
42.65.Sf, 05.10.–a, 05.45.Mt, 05.65.+b