Microwave photon up-conversion device and method based on photoelectric oscillator

A photoelectric oscillator and microwave photonic technology, applied in the field of microwave photonics, to achieve the effect of good spectral purity

Active Publication Date: 2018-06-22
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The traditional method of generating microwave signals is generated by electrical means, and the electronic bottleneck effect of electrical devices and tuning bandwidth and other issues have made the research on the generation of microwave signals by electrical methods gradually reach the bottleneck.

Method used

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  • Microwave photon up-conversion device and method based on photoelectric oscillator
  • Microwave photon up-conversion device and method based on photoelectric oscillator
  • Microwave photon up-conversion device and method based on photoelectric oscillator

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Embodiment 1

[0021] The laser source is TSL-510 tunable laser from Santec Company, the wavelength range of the laser is 1510nm~1630nm; the dual parallel Mach-Zehnder modulator is MXIQ-LN-30-P-P from Photline Company, the bandwidth is 40GHz, and the working light wavelength is 1530nm~1580nm, the half-wave voltage of the first sub-Mach-Zehnder modulator and the second sub-Mach-Zehnder modulator is 5.5V, and the half-wave voltage of the third Mach-Zehnder modulator is 15V; the first high nonlinear dispersion The shifted fiber and the second high nonlinear dispersion shifted fiber are high nonlinear dispersion shifted fibers of YOFC Technology Co., Ltd.: the length is 1000m; the isolation of the optical isolator is greater than 40dB; the first Mach-Zehnder modulator is Photline The intensity modulator MX-LN-40-PFA-PFA with a bandwidth of 40GHz and a half-wave voltage of V π 5.5V; the second Mach-Zehnder modulator is Photline's MXAN-LN-20, half-wave voltage V π It is 5.5V, and the bandwidth is...

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Abstract

The invention discloses a microwave photon up-conversion device and method based on a photoelectric oscillator and belongs to the technical field of microwave photonics. The device is composed of a laser source, a first coupler, a first circulator, a first high nonlinearity dispersion displacement optical fiber, an erbium-doped optical fiber amplifier, a first photoelectric detector, a second coupler, a first Mach-Zehnder modulator, a first microwave signal source, a first direct current voltage-stabilized power supply, an optical filter, a second Mach-Zehnder modulator, a second direct current voltage-stabilized power supply, a second circular, a second high nonlinearity dispersion displacement optical fiber, a second photoelectric detector, a microwave amplifier, a double-parallel Mach-Zehnder modulator, a third direct current voltage-stabilized power supply, a fourth direct current voltage-stabilized power supply, a fifth direct current voltage-stabilized power supply, an optical isolator and a spectrum analyzer. A Brillouin frequency shift value f of the high nonlinearity optical fiber is 9.2GHz, and a signal with frequency of f<m> can be up converted to f<m>+18.4GHz, so alow quality and low frequency intermediate signal is converted into a high quality and high frequency signal.

Description

technical field [0001] The invention belongs to the technical field of microwave photonics, and in particular relates to a microwave photon up-conversion device and method based on a photoelectric oscillator. Background technique [0002] Microwave / millimeter wave signal sources with high spectral purity and low phase noise play a very important core role in wireless communication, radio frequency transmission over optical (RoF), radar and other systems, so in recent years, research on how to generate high-quality microwave signals The signal source has become a research hotspot. The traditional method of generating microwave signals is through electrical means, but the electronic bottleneck effect of electrical devices and tuning bandwidth and other issues have made the research on the generation of microwave signals by electrical methods gradually reach the bottleneck. In the field of photonics, photon technology has the advantages of high processing rate, low transmissio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/556H04B10/2575H04B10/548H04B10/29
CPCH04B10/2575H04B10/29H04B10/548H04B10/5563
Inventor 董玮王悦张歆东
Owner JILIN UNIV
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