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We propose a silicon microring detector for 1. 55 μm wavelength, working at room temperature by means of internal photoemission absorption effect (IPE). To analyze the device, we model the microring waveguide in presence of a thin metal film, using the Z-transform method. Moreover, to calculate the quantum efficiency of the photodetector, we have used the extended analytical model of the IPE for thin...
We investigate the impact of optical excitation in organic vertical cavity surface emitting laser (OVCSEL) to achieve lasing condition. Our simulation shows that for the optical excitation case, triplet excitons quench singlet excitons largely when we apply constant input optical pump. Also we show that for wide pulses, we can use low input pump power, but, lasing time will be delayed. Finally, we...
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