Fu, Lan; McKerracher, Ian; Tan, Hoe Hark; Jagadish, Chennupati
In this work, rapid thermal annealing was performed on InGaAs/GaAs quantum dot infrared photodetectors (QDIPs) at different temperatures. The photoluminescence showed a blue-shifted wavelength and the spectral response exhibited red-shift from the annealed QDIPs in comparison with the as-grown sample. The overall device performance was not affected by low annealing temperature however for high annealing temperature, some degradation in device detectivity (but not responsivity) was observed....[Show more]
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