Publications [#280513] of David J. Brady
- Jimenez, JL; Fonseca, LRC; Brady, DJ; Leburton, JP; Wohlert, DE; Cheng, KY, The quantum dot spectrometer,
Applied Physics Letters, vol. 71 no. 24
pp. 3558-3560, AIP Publishing [1.120390], [doi]
(last updated on 2019/11/18)
We propose a novel photodetector capable of multi-spectral channel operation. The device makes use of the ability of a quantum dot plane to capture an optical spectrum, and of a resonant-tunneling structure to perform spectrally sensitive read-out. We present a design made out in the InAs-GaAs-AlxGa1 - xAs system. We also present realistic simulations of the optical channel capabilities, as well as a discussion of the possible problems of the device. © 1997 American Institute of Physics.
Photodetectors;Semiconductor quantum dots;Semiconductor device structures;Design;Semiconductor materials;Computer simulation;Finite difference method;Electron scattering;