该文基于IBM 0.18μm Si Ge Bi CMOS工艺,采用混合结构设计了一种可用于X波段相控阵的5位数控衰减器.通过电路分析和计算,确定了电路中的元件参数,通过对NMOS开关进行仿真分析,得到了最优尺寸.阐述了一种插损补偿技术,即在输入输出端引...该文基于IBM 0.18μm Si Ge Bi CMOS工艺,采用混合结构设计了一种可用于X波段相控阵的5位数控衰减器.通过电路分析和计算,确定了电路中的元件参数,通过对NMOS开关进行仿真分析,得到了最优尺寸.阐述了一种插损补偿技术,即在输入输出端引入串联电感来降低电路的插损并且优化端口匹配.仿真结果显示,该衰减器的插损小于5.0 d B;所有状态的相移小于7°;输入端口回波损耗小于-15.7 d B,输出端口回波损耗小于-16.65 d B.展开更多
In recent decades,silicon photonics has attracted much attention in telecom and data-com areas.Constituted of high refractive-index contrast waveguides on silicon-on-insulator(SOI),a variety of integrated photonic pas...In recent decades,silicon photonics has attracted much attention in telecom and data-com areas.Constituted of high refractive-index contrast waveguides on silicon-on-insulator(SOI),a variety of integrated photonic passive and active devices have been implemented supported by excellent optical properties of silicon in the mid-infrared spectrum.The main advantage of the silicon photonics is the ability to use complementary metal oxide semiconductor(CMOS)process-compatible fabrication technologies,resulting in high-volume production at low cost.On the other hand,explosively growing traffic in the telecom,data center and high-performance computer demands the data flow to have high speed,wide bandwidth,low cost,and high energy-efficiency,as well as the photonics and electronics to be integrated for ultra-fast data transfer in networks.In practical applications,silicon photonics started with optical interconnect transceivers in the data-com first,and has been now extended to innovative applications such as multi-port optical switches in the telecom network node and integrated optical phased arrays(OPAs)in light detection and ranging(LiDAR).This paper overviews the progresses of silicon photonics from four points reflecting the recent advances mentioned above.CMOS-based silicon photonic platform technologies,applications to optical transceiver in the data-com network,applications to multi-port optical switches in the telecom network and applications to OPA in LiDAR system.展开更多
文摘该文基于IBM 0.18μm Si Ge Bi CMOS工艺,采用混合结构设计了一种可用于X波段相控阵的5位数控衰减器.通过电路分析和计算,确定了电路中的元件参数,通过对NMOS开关进行仿真分析,得到了最优尺寸.阐述了一种插损补偿技术,即在输入输出端引入串联电感来降低电路的插损并且优化端口匹配.仿真结果显示,该衰减器的插损小于5.0 d B;所有状态的相移小于7°;输入端口回波损耗小于-15.7 d B,输出端口回波损耗小于-16.65 d B.
文摘In recent decades,silicon photonics has attracted much attention in telecom and data-com areas.Constituted of high refractive-index contrast waveguides on silicon-on-insulator(SOI),a variety of integrated photonic passive and active devices have been implemented supported by excellent optical properties of silicon in the mid-infrared spectrum.The main advantage of the silicon photonics is the ability to use complementary metal oxide semiconductor(CMOS)process-compatible fabrication technologies,resulting in high-volume production at low cost.On the other hand,explosively growing traffic in the telecom,data center and high-performance computer demands the data flow to have high speed,wide bandwidth,low cost,and high energy-efficiency,as well as the photonics and electronics to be integrated for ultra-fast data transfer in networks.In practical applications,silicon photonics started with optical interconnect transceivers in the data-com first,and has been now extended to innovative applications such as multi-port optical switches in the telecom network node and integrated optical phased arrays(OPAs)in light detection and ranging(LiDAR).This paper overviews the progresses of silicon photonics from four points reflecting the recent advances mentioned above.CMOS-based silicon photonic platform technologies,applications to optical transceiver in the data-com network,applications to multi-port optical switches in the telecom network and applications to OPA in LiDAR system.
