Optical generation method and device of 32-frequency-multiplication millimeter wave signal

Abstract

The invention relates to the technical field of radio frequency communication, in particular to an optical generation method and device for 32-frequency multiplication millimeter wave signals. Comprising the following steps: dividing a light wave into two orthogonal polarization directions, dividing an upper path of light into two paths of light for polarization modulation respectively, dividing a radio frequency signal into two paths for driving corresponding polarization modulators respectively, converging the output, dividing the light wave into two paths again, injecting the two paths of light into the corresponding polarization modulators respectively, converging the output again, and multiplexing a lower path of light. And after the optical carrier is suppressed, a 32-frequency-doubled millimeter wave signal is finally obtained through an optical amplifier. The method designed by the invention has the advantages of high frequency multiplication factor, no need of a filter, simple structure and the like, the quality of the generated signal is higher, the defect of low frequency multiplication factor of the existing millimeter wave generation method can be effectively made up, and the method is suitable for current and future wireless and optical fiber communication systems; the device can reduce the requirement on equipment, thereby realizing the generation of high frequency multiplication millimeter wave signals with lower cost and simple structure.

Description

technical field

[0001] The invention relates to the technical field of radio frequency communication, in particular to a method and device for optically generating a 32-fold frequency millimeter wave signal. Background technique

[0002] The rise of mobile Internet, cloud computing, big data, cloud computing, blockchain, 5G and other informatization waves has brought about a huge demand for network capacity, and the sharp increase in business traffic has brought severe challenges to the access network. 6GHz The increasing scarcity of spectrum resources in the following low-frequency bands and the urgent need for ultra-high-speed and large broadband access have led researchers to turn their attention to high-frequency millimeter-wave frequency bands with more abundant spectrum resources. However, due to the constraints of electronic bottlenecks, it is difficult and expensive to generate millimeter-wave signals in the traditional electrical way; at the same time, the atmospher...

Examples

Embodiment 1

[0065] Such as Figure 1-Figure 2 As shown, this embodiment provides a method and device for optically generating a 32-fold frequency millimeter wave signal, including the following steps:

[0066] S1. The light wave with angular frequency ω0 emitted from the continuous laser passes through the polarization controller, and then the first polarization beam splitter divides the light into two orthogonal polarization directions and sends them to the upper and lower branches of the system respectively, where the upper light is x direction, the down-road light is in the y direction;

[0067] S2. The upper path light is divided into two paths by the second polarization beam splitter, and the two paths of light are respectively injected into the corresponding first polarization modulator and the second polarization modulator, and at the same time, the radio frequency signal sent by the radio frequency signal source passes through the first electrical splitter The splitter is divided...

technical field

[0001] The invention relates to the technical field of radio frequency communication, in particular to a method and device for optically generating a 32-fold frequency millimeter wave signal. Background technique

[0002] The rise of mobile Internet, cloud computing, big data, cloud computing, blockchain, 5G and other informatization waves has brought about a huge demand for network capacity, and the sharp increase in business traffic has brought severe challenges to the access network. 6GHz The increasing scarcity of spectrum resources in the following low-frequency bands and the urgent need for ultra-high-speed and large broadband access have led researchers to turn their attention to high-frequency millimeter-wave frequency bands with more abundant spectrum resources. However, due to the constraints of electronic bottlenecks, it is difficult and expensive to generate millimeter-wave signals in the traditional electrical way; at the same time, the atmospher...

Examples

Embodiment 1

[0065] Such as Figure 1-Figure 2 As shown, this embodiment provides a method and device for optically generating a 32-fold frequency millimeter wave signal, including the following steps:

[0066] S1. The light wave with angular frequency ω0 emitted from the continuous laser passes through the polarization controller, and then the first polarization beam splitter divides the light into two orthogonal polarization directions and sends them to the upper and lower branches of the system respectively, where the upper light is x direction, the down-road light is in the y direction;

[0067] S2. The upper path light is divided into two paths by the second polarization beam splitter, and the two paths of light are respectively injected into the corresponding first polarization modulator and the second polarization modulator, and at the same time, the radio frequency signal sent by the radio frequency signal source passes through the first electrical splitter The splitter is divided...

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