Abstract
High characteristic temperature ( T o=∼322 K) is demonstrated near room-temperature with V-grooved, AlGaAs-GaAs multiple quantum wire (QWR) lasers grown by flow rate modulation epitaxy. The wavelength tuning rate of temperature Δλ/Δ T measured for 300 μm long uncoated lasers is ∼0.19 nm/°C and that of injection current Δ λ/Δ I is extremely small, in between 0.02 and 0.03 nm/mA in the temperature range 10 to 70°C.
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