Papers Published

1. Stiff-Roberts, A.D. and Su, X.H. and Chakrabarti, S. and Bhattacharya, P., Contribution of Field-Assisted Tunneling Emission to Dark Current in InAs-GaAs Quantum Dot Infrared Photodetectors, IEEE Photonics Technology Letters, vol. 16 no. 3 (2004), pp. 867 - 869 [LPT.2004.823690] .
   (last updated on 2007/04/16)

   Abstract:
   A model for the dark current in quantum dot infrared photodetectors, including thermionic emission and field-assisted tunneling, is developed. The calculated dark currents are in excellent agreement with measured values for a wide range of temperatures (78 K-295 K) and applied bias (0-3 V).

   Keywords:
   Semiconductor quantum dots;Semiconducting gallium arsenide;Electron tunneling;Electric currents;Infrared radiation;Thermionic emission;Thermal effects;Mathematical models;