Microwave one-third frequency division device and method based on photon technology
A technology of frequency division device and microwave power divider, which is applied in the field of signal processing to achieve the effect of fast tuning speed
Active Publication Date: 2021-08-10
ZHAOQING UNIV
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Problems solved by technology
However, the output of photonic microwave dividers contains unsuppressed spurious frequency components, such as harmonic signals
At present, there are a few photonic microwave frequency divider technologies that can suppress spurious frequency components, but they can only achieve two-thirds and four-thirds frequency division coefficients
Method used
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[0065] Such as figure 1 As shown, the present invention, based on photon technology microwave one-third frequency division device, comprises sequentially connected light source 1, DPMZM2, optical bandpass filter 3, MZM4, photodetector 5, low noise amplifier 6, microwave bandpass Filter 7 and microwave power divider 8, wherein MZM, photodetector, low noise amplifier, microwave bandpass filter and microwave power divider form a photoelectric oscillation ring;
[0066] The light source, DPMZM, optical bandpass filter, MZM and photodetector are connected by optical fiber; the photodetector, low noise amplifier, microwave bandpass filter and microwave power divider are connected by radio frequency cable; the microwave signal of DPMZM The input and the microwave signal input of the MZM are connected through a radio frequency cable;
[0067] The light source is used to generate and output an optical carrier, which is a laser light source, which generates a wavelength of 1550nm and a...
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The invention discloses a microwave one-third frequency division device and method based on the photon technology. The device comprises a light source, a DPMZM, an optical band-pass filter, an MZM, a photoelectric detector, a low-noise amplifier, a microwave band-pass filter and a microwave power divider which are connected in sequence, wherein the MZM, the photoelectric detector, the low-noise amplifier, the microwave band-pass filter and the microwave power divider form a photoelectric oscillation ring, the light source, the DPMZM, the optical band-pass filter, the MZM and the photoelectric detector are connected through optical fibers, the photoelectric detector is connected with the microwave power divider through a radio frequency cable, and the microwave signal input of the DPMZM and the microwave signal input of the MZM are connected through a radio frequency cable. The photon microwave one-third frequency divider realizes large-broadband spurious-frequency-component-free output.
Description
technical field [0001] The invention belongs to the technical field of signal processing, and in particular relates to a microwave one-third frequency dividing device and method based on photon technology. Background technique [0002] Microwave photonic signal processing is an important part of microwave photonics, and has a wide range of applications in the fields of communication and national defense. One of the functions of microwave photonic signal processing is microwave photonic signal frequency division, which has a wide range of applications in radar and mobile communications. Traditional microwave signal frequency division is usually carried out in the electrical domain. Implementing analog signal processing directly in the electrical domain would suffer from limited operating bandwidth, slow tuning speed, and poor tunability due to the well-known bottleneck in the electrical domain. [0003] Due to the inherent advantageous properties of photonic technology, suc...
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IPC IPC(8): H01S1/00
CPCH01S1/00
Inventor 王琳陈敬旭陈凯荣王旭东张钰冯新焕姚建平张杰君曹元吴幸雷刘文兵张军
Owner ZHAOQING UNIV