Optical bistability related to excitons in an uncooled semiconductor
Bakiev A. M., Dneprovskii V. S., Kovalyuk Z. D., Stadnik V. A.
A resonant optical nonlinearity involving excitons has been discovered in room-temperature semiconductors. It has been found that Fabry-Perot etalons made of multilayer GaSe single crystals exhibit a bistable behavior when the excitons are resonantly excited by intense light pulses.