We report on the optical quenching of electroluminescence in midinfrared light-emitting diodes operating at 3.0 mum. The source is based on a symmetrical double heterostructure with large band offsets and is effectively switched off using coherent visible light. (C) 2002 American Institute of Physics.
Copyright 2002 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Applied Physics Letters, 80 (16), 2002 and may be found at http://link.aip.org/link/?APPLAB/80/2821/1