Room‐temperature 2.78 μm AlGaAsSb/InGaAsSb quantum‐well lasers
H Lee, PK York, RJ Menna, RU Martinelli… - Applied physics …, 1995 - pubs.aip.org
We describe room‐temperature 2.78 μm AlGaAsSb/InGaAsSb multiquantum well lasers.
Pulsed laser operation was observed at 15° C with a threshold current of 1.1 A (10 kA/cm2),
and a maximum power output of 30 mW, and a maximum differential quantum efficiency of
9%. Lasers operated pulsed up to 60° C with a characteristic temperature of 58 K over the
range of 0–40° C. To date, 2.78 μm is the longest emission wavelength for a room‐
temperature III–V laser.
Pulsed laser operation was observed at 15° C with a threshold current of 1.1 A (10 kA/cm2),
and a maximum power output of 30 mW, and a maximum differential quantum efficiency of
9%. Lasers operated pulsed up to 60° C with a characteristic temperature of 58 K over the
range of 0–40° C. To date, 2.78 μm is the longest emission wavelength for a room‐
temperature III–V laser.
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