Micropillars with low-absorption DBRs enable surface-emitting WGM lasing at 930-970 nm for 3-7 μm diameters, with single-mode operation at 130 K showing Q ≈ 8000 and ~240 μW threshold.
Low -threshold lasing of optically pumped micropillar lasers with Al 0.2Ga0.8As/Al0.9Ga0.1As distributed Bragg reflectors
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Numerical modeling and experimental demonstration of lasing in quantum-dot micropillar lasers up to 220 K with a hybrid top mirror achieving Q-factor ~65000 and threshold ~2.2 mW.
citing papers explorer
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Low-Threshold Surface-Emitting Whispering-Gallery Mode Microlasers
Micropillars with low-absorption DBRs enable surface-emitting WGM lasing at 930-970 nm for 3-7 μm diameters, with single-mode operation at 130 K showing Q ≈ 8000 and ~240 μW threshold.
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Lasing of Quantum-Dot Micropillar Lasers under Elevated Temperatures
Numerical modeling and experimental demonstration of lasing in quantum-dot micropillar lasers up to 220 K with a hybrid top mirror achieving Q-factor ~65000 and threshold ~2.2 mW.