基于微波光子混合封装技术的多通道解复用光/电转换组件
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(1.中国电子科技集团公司第二十九研究所,四川 成都 610036; 2.四川省宽带微波电路高密度集成工程研究中心,四川 成都 610036)

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吕晓萌(1986-),男,博士,高级工程师,主要研究 方向为光子信息技术,包含光电子芯片、微波光子混合集成技术以及数字/射频类光系统的 研发设计.

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A multichannel demultiplexed optical-to-electrical conversion module based on microwave photonic hybrid-packaging technology
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(1.The 29th Research Institute of China Electronics Technology Group Corporati on,Chengdu,Sichuan 610036, China;2. Sichuan Province Engineering Research Center for Broadband Microwave Circuit Hig h Density Integration, Chengdu, Sichuan 610036, China)

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    摘要:

    基于微波光子混合封装技术,制备了多通道解复 用光/电(optical-to-electrical,O/E)转换组件。将光芯片、微波芯片、空间透 镜、微波电路进行一体化混合封装在同一壳体内,使得组件具备解波分复用、O/E转换、 微波处理等多 种功能,从而实现将1路波分复用的光载射频信号解调至6路射频(radio frequency,RF)信号并放大后对外输出。多 通道解复 用O/E转换组件包含了解复用器、聚焦透镜、光电探测器(photodetector,PD) 、微波放大器、均衡器以及电源等多 专业裸芯片, 利用混合集成封装技术,极大缩减了产品的尺寸,提高了集成度和复杂度,在大容量微波光 子应用领域 中具有极大潜力。通过对制备的O/E转换组件进行测试,结果表明该组件可实现光载射频 信号到RF信 号的宽带转换,光电转换效率在0.7 A/W以上。同时测试了O/E转换 组件的幅频特性,S21均值为-8.4 dB, 在通带内波动范围在±3.5 dB之间,驻波反射小于2 dB,且通道间隔 离度达到40 dBc以上。

    Abstract:

    Based on microwave photonic hybrid-packaging technology,a multichannel demultiplexed optical-to-electrical (O/E) conversion module is fabricated.Optical c hip,microwave chip,free-space lens,and microwave circuit are packaged in a cavity,making t he module combine the function of demultiplexing,O/E conversion and microwave processing to achieve the conversion from 1-channel multiplexed radio-over-fi ber signal to 6-channel radio frequency (RF) signal and to output the signal after amplifying.The multichannel demultiplexed O/E conversion module is composed of several bare chips such as demultiplexer, focusing lens,photodetector (PD),microwave amplifier,equalizer,and power supply,which utilizing hybrid integrated packaging technology to greatly reduce the size of t he module and improve integration and complexity of the module.The module shows huge potentia l in application of multi-functional microwave photonic area.The test results show that the module can realize the broadband conversion between radio-over-fiber signal to RF signal, and the efficiency of the O/E conversion exceeds 0.7 A/W.In addition,the test results of the amplitude-frequency characteristics show that the mean value of S21 is -8.4 dB, with a fluctuation of ±3.5 dB.The test results also show that the reflection of standing wave is less than 2 dB,and the isolation degree between adjacent channels is above 40 dB c.

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许玮华,吕晓萌,廖翱,伍艺龙,张童童,李希斌.基于微波光子混合封装技术的多通道解复用光/电转换组件[J].光电子激光,2022,33(10):1031~1037

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  • 收稿日期:2022-01-23
  • 最后修改日期:2022-03-15
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  • 在线发布日期: 2022-10-18
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