Application of Conformal Mapping in Modelling the Response of an MSM Photodetector

Optimization of a resonant cavity enhanced MSM photodetector

“…Transfer times depend on the electric field [8][9][10]. The application of the phenomenological model for the calculation of carrier transport in the micron and submicron devices with an inhomogeneous distribution of the electric field is presented in [8][9][10][11][12][13][14][15]. The system of transport equations reads [10][11][12][13][14]:…”

“…The numerical method is based on conformal mapping [12] which transforms the real electric field lines into parallel lines in the mapped structure. The transport in the structure mapped that way is described in one dimension only, and the other coordinate is a parameter.…”

“…The transport in the structure mapped that way is described in one dimension only, and the other coordinate is a parameter. The calculation of the photodetector current is done starting from relation (13) and using conformal mapping of the MSM-PD structure [12].…”

“…It was thus of interest to develop a numerically more convenient model, that would simultaneously model the response of both micron and submicron-sized MSM photodetectors. The model which largely satisfies this requirement for the two-valley semiconductors is the phenomenological model of transport equations [7][8][9][10][11][12][13][14][15][16].…”