Photonic mixer device
A device and photon technology, applied in the field of photonic hybrid devices, can solve the problems of increasing thermal dark current and affecting the use of current measurement methods, and achieve the effect of compact design
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[0053] figure 1 A top view of a prior art detector element with strip readout electrodes is shown. The two readout electrodes 1' and 2' and the modulation grids 3' and 4' of the detector element can be clearly identified. The photosensitive layer made of silicon, which is not shown in the drawings, is disposed under the gate electrodes 1', 2', 3', and 4'. In actual operation, the readout electrodes 1' and 2' are forward biased with the result that the electrodes or gates can act as potential wells for the charge carriers generated in the photoactive layer. The forward bias voltage is optional because holes have lower mobility and it helps negligible current transport. Reference voltage U ref Applied on the modulating grids 3' and 4', the modulating effect of the modulating grids is the same as that of the incident electromagnetic radiation. The modulation of the electromagnetic radiation and the modulation voltage of the modulation grids 3' and 4' can exhibit a phase offse...
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