Communication network fixed machine physical interface implementation method based on photo-generated microwave chip

Abstract

The invention discloses a communication network solid machine physical interface implementation method based on a photo-generated microwave chip, and the method comprises the steps: separating optical fiber communication signals of all wavelengths at an end through a wavelength division multiplexer, amplifying a single-path optical fiber communication signal through an optical power amplifier, and pumping a silicon-based Brillouin scattering microcavity; time-varying information of optical fiber communication signals is modulated on photo-generated microwaves in a gain switch mode, and a full-physical interface conversion function from optical fiber communication to wireless communication is completed. According to the invention, an effective means is provided for multi-physics field-hu conversion of optical fiber communication signals and wireless communication signals, the problem of network mismatch caused by electronic bottleneck in the future is avoided, the deployment efficiency of the machine-fixed internet network is effectively improved, and rapid and efficient construction and development of 5G communication infrastructures are expected to be promoted.

Description

technical field [0001] The invention belongs to the interdisciplinary field of integrated optics, nonlinear optics, and wireless communication, and specifically refers to a silicon-based optical microcavity pumped by an optical fiber communication signal, and high-frequency microwaves generated by the stimulated Brillouin scattering effect, so that the optical fiber The invention relates to a method for directly copying a communication signal to a microwave carrier to realize the function of a "carrier-to-carrier" communication network physical solid-machine interface, in particular to a method for realizing a communication network solid-machine physical interface based on an optical microwave chip. Background technique [0002] Stimulated Brillouin scattering is a nonlinear optical effect that mainly describes the coupling effect of photons and phonons in a medium. In a medium with a large geometric size, the stimulated Brillouin scattering depends on the intrinsic properti...

AI Technical Summary

Problems solved by technology

However, the current interconnection between the optical fiber communication network and the wireless communication system mainly uses the information interface, that is, the optical fiber communication signal is detected by the photodetector, the data information is extracted, and the wireless signal transmitter is used to compile it into a wireless communication system and perform Transmission, the operation steps are complicated and there are exits for information leakage

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