Generation system for generating sixfold frequency vector millimeter wave and using method thereof

Abstract

The invention discloses a generation system for generating a sixfold frequency vector millimeter wave. The output end of a laser is connected with the light input end of a light intensity modulator through an optical fiber. The output end of a data source is connected with the input point of an electric amplifier through a cable. The output end of the electric amplifier is connected with the electric input end of the light intensity modulator through a cable. The output end of the light intensity modulator is connected with the light input end of a light filter through an optical fiber. The output end of a first optical filter is connected with the input end of a first optical amplifier through an optical cable. The output end of the first optical amplifier is connected with the input endof a second optical filter through a high nonlinear dispersion displacement optical fiber, the output end of the second optical filter is connected with the input end of the second optical amplifier through an optical cable, and the output end of the second optical amplifier is connected with the input end of an optical attenuator through a single-mode optical fiber. Compared with the prior art, the system has the advantages of low broadband requirement and high millimeter wave frequency.

Description

technical field [0001] The present invention relates to the technical field of optical fiber-wireless (Radio-over-Fiber, ROF) communication systems, and specifically refers to a generation system for generating sextuple frequency vector millimeter waves and a method for using the same. Background technique [0002] With the rapid development of multimedia services, the demand for high-quality, long-distance fiber-borne wireless systems has gradually emerged, and there are more and more applications in indoor networks and aerospace fields. Because the wireless over fiber system can combine the advantages of optical fiber communication and wireless communication, it can realize ultra-large capacity long-distance transmission and broadband converged access. With its high broadband characteristics, millimeter wave occupies an important position in wireless transmission systems over optical fiber, and has become the most promising candidate for next-generation ultra-broadband wir...

AI Technical Summary

Problems solved by technology

Or two modulators are often used at the transmitting end to modulate the signal and frequency multiplication respectively, which makes the cost higher

It is well known that when a multiplied signal is generated, the frequency and phase of the signal will be distorted, so the signal needs to be precoded

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