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Table 1 Devices

From: Quantum Dot Infrared Photodetectors: Photoresponse Enhancement Due to Potential Barriers

Device Dopant position Dopant concentration (×1011 cm-2) Number of electrons per QD Barrier height (meV)
B44 QD layer 2.7 2.4 25
B45 Middle of AlGaAs layers 2.7 2.8 70
B46 Modulation dopping 2.7 2.8 60
B52 QD layer 5.4 4.7 79
B53 Middle of AlGaAs layers 5.4 6.1 130
B54 Middle of AlGaAs layers 8.1 9 200