We give a brief overview of the current advances in the development of green light emitting and laser diodes (LEDs and LDs). We review problem of rapid degradation of LDs based on II-VI material family. We cover recent advances in this area stressing the development of novel beryllium chalcogenide alloys. We discuss an increase in the lifetime of beryllium - containing light emitters recently reported by several research groups. These results demonstrate that beryllium chalcogenide alloys are attractive for the design of visible light emitters. |
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