Entangled Microwave Photons Generation using Cryogenic Low Noise Amplifier (Transistor Nonlinearity Effects)

• URL: http://arxiv.org/abs/2201.04893v1
• Date: Thu, 13 Jan 2022 11:29:32 GMT
• Title: Entangled Microwave Photons Generation using Cryogenic Low Noise Amplifier (Transistor Nonlinearity Effects)
• Authors: Ahmad Salmanogli
• Abstract summary: The article focuses on one of the important phenomena in the quantum realm called entanglement. It uses a unique approach in which a cryogenic low noise amplifier is designed and using the transistor nonlinearity effect (third-order nonlinearity) entangled microwave photons are created.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: This article mainly focuses on one of the important phenomena in the quantum realm called entanglement. It is clear that entanglement created due to the nonlinearity property has been arisen by some different methods. This study in contrast uses a unique approach in which a cryogenic low noise amplifier is designed and using the transistor nonlinearity effect (third-order nonlinearity) entangled microwave photons are created. It is supposed that the low noise amplifier contains two coupled oscillators resonating with different frequencies. The mentioned oscillators are coupled to each other through the gate-drain capacitor and nonlinear transconductance as an important factor by which the entangled microwave photons are strongly manipulated. For entanglement analysis, the Hamiltonian of the system is initially derived, then using the dynamic equation of motion of the designed amplifier the oscillator's number of photons and also the phase sensitive cross-correlation factor are calculated in Fourier domain to calculate the entanglement metric. As a main conclusion, the study shows that the designed low noise amplifier using nonlinearity of the transistor has the ability to generate the entangled microwave photons at very low intrinsic transconductance and more importantly when the noise figure is strongly minimized. Additionally, a cryogenic low noise amplifier is designed and simulated to verify that it is possible to achieve an ultra-low noise figure by which the probability of the generation of the entangled microwave photons is increased.

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