Optical Properties of ZnO-based Quantum Structures
Takayuki Makino (University of Hyogo)
TL;DR
This paper investigates the optical properties of ZnO quantum wells, demonstrating stimulated emission at high temperatures and discussing the underlying mechanisms, with implications for short-wavelength semiconductor lasers.
Contribution
It provides new insights into high-temperature stimulated emission mechanisms in ZnO quantum wells using lattice-matched substrates.
Findings
Stimulated emission observed above room temperature
High-density excitonic effects confirmed
Lattice-matched substrates enhance optical performance
Abstract
The optical properties of ZnO quantum wells, which have potential application of short-wavelength semiconductor laser utilizing a high-density excitonic effect, were investigated. Stimulated emission of excitons was observed at temperatures well above room temperature due to the adoption of the lattice-matched substrates. The mechanism of stimulated emission from ZnO quantum wells is discussed in this paper
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