What does this research mean for the field?

Q: What does this research mean for the field?

Optically pumped lasing can be achieved in ZnO thin films at room temperature, demonstrating the viability of ZnO-based light-emitting devices. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

April 28, 1997

Optically pumped lasing of ZnO at room temperature

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Abstract

We report the observation of optically pumped lasing in ZnO at room temperature. Thin films of ZnO were grown by plasma-enhanced molecular beam epitaxy on (0001) sapphire substrates. Laser cavities formed by cleaving were found to lase at a threshold excitation intensity of 240 kW cm−2. We believe these results demonstrate the high quality of ZnO epilayers grown by molecular beam epitaxy while clearly demonstrating the viability of ZnO based light emitting devices.

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