Optical bistability in bulk ZnSe due to increasing absorption and self-focusing

Taghizadeh, M. R.; Janossy, I.; Smith, S. D.
February 1985
Applied Physics Letters;2/15/1985, Vol. 46 Issue 4, p331
Academic Journal
We report the first observation of cavityless optical bistability in ZnSe. A shift in the band edge and self-focusing occurs due to the temperature rise of the material as the laser irradiance is increased. These two mechanisms are believed to provide the feedback necessary for bistable operation.


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