| 基于微波光子的24倍频毫米波信号生成 |
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| 引用本文： | 张舟,王天亮,朱维.基于微波光子的24倍频毫米波信号生成[J].半导体光电,2019,40(6):852-856. |
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| 作者姓名： | 张舟 王天亮 朱维 |
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| 作者单位： | 上海卫星工程研究所,上海 201109;上海卫星工程研究所,上海 201109;上海卫星工程研究所,上海 201109 |
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| 基金项目： | 国家自然科学基金项目(61671305). |
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| 摘 要： | 提出了一种基于级联双电极马赫-曾德尔调制器、光延迟线和半导体光放大器的24倍频毫米波信号生成方案。将两个双电极马赫-曾德尔调制器通过一个光延迟线级联,获得高纯度±4阶边带,进而利用半导体光放大器的四波混频效应,得到±4阶和±12阶边带,通过波分解复用器选出±12阶边带,经光电探测器拍频即可得到24倍频毫米波信号。理论分析和仿真验证结果表明,当输入信号频率为4~10GHz时,可以生成射频杂散抑制比不低于26dB的24倍频毫米波信号,且其频谱纯度高,可调谐性好。
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| 关 键 词： | 光通信 毫米波 双电极马赫-曾德尔调制器 可调光延迟线 四波混频 |
| 收稿时间： | 2019/5/8 0:00:00 |
Generation of 24 Multiplied Millimeter Wave Signal Based on Microwave Photonics |
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| ZHANG Zhou,WANG Tianliang and ZHU Wei.Generation of 24 Multiplied Millimeter Wave Signal Based on Microwave Photonics[J].Semiconductor Optoelectronics,2019,40(6):852-856. |
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| Authors: | ZHANG Zhou WANG Tianliang and ZHU Wei |
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| Affiliation: | Shanghai Institute of Satellite Engineering, Shanghai 201109, CHN,Shanghai Institute of Satellite Engineering, Shanghai 201109, CHN and Shanghai Institute of Satellite Engineering, Shanghai 201109, CHN |
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| Abstract: | A 24 multiplied millimeter-wave signal generation scheme based on cascaded dual-electrode Mach-Zehnder modulator(DMZM), optical delay line and semiconductor optical amplifier(SOA) was proposed. Two DMZMs were cascaded through a tunable optical delay line to obtain high purity ±4 order sideband. Then, the ±4 order and ±12 order sidebands were obtained based on the four-wave mixing effect of SOA. The ±12 order sidebands were selected by a wavelength division multiplexing demultiplexer, and the 24 multiplied millimeter-wave signal were obtained by photodetector. The theoretical analysis and simulation results show that when the input signal is 4~10GHz, a 24 multiplied millimeter-wave signal with the radio frequency spurious suppression ratio (RFSSR) not less than 26dB can be generated, which has high spectral purity and good tunability. |
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| Keywords: | optical communication millimeter wave DMZM tunable optical delay line four wave mixing |
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