The laser differential equation in the mode of modulation by microwave signals (or under condition of the self-heterodyne detection of the amplitude-modulated optical oscillation) has been discussed. It has been shown that the above mentioned processes significantly enhance the laser nonlinear effects, which may result in the system unstable work, followed by the main mode failure, or transfer to the determinated chaos.
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Based on the avalanche diode theoretical model, reflecting not only the avalanche multiplication of charge carriers but also, the processes proceeding in the diode interval under the condition of its irradiation by optical beam, the avalanche diode impedance properties, which allow calculating the MW -modulating and demodulating properties of the optical region, have been determined.
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The possibility of conducting the sensitivity analysis of the autodyne detection system for the microwave amplitude-modulated optical signals has been considered. The results have been compared with the optical heterodyne reception sensitivity obtained based on the quantum-mechanical approach to the problem.
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The possibility of the microwave amplitude-modulated optical vibrations detection via synchronizing the avalanche-diode oscillator by this microwave signal has been considered. The general properties of the oscillator-modulator have been discussed.
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The possibility of using an alternative detection of the optical oscillations, modulated by the SHF signals based on the autodyne optical system has been shown. The transmission coefficient calculation results, satisfactorily compared with the experiments, have been presented.
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