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Antenna-coupled Heterostructure Field Effect Transistors for integrated terahertz heterodyne mixers

机译:集成太赫兹外差混频器的天线耦合异质结构场效应晶体管

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We present the realization of high electron mobility transistors on GaN-heterostructures usable for mixing and rectification in the THz range. Device fabrication is fully compatible with industrial processes employed for millimetre wave integrated circuits. On-chip, integrated, polarization-sensitive, planar antennas were designed to allow selective coupling of THz radiation to the three terminals of field effect transistors in order to explore different mixing schemes for frequencies well above the cutoff frequency for amplification. The polarization dependence of the spectral response in the 0.18-0.40 THz range clearly demonstrated the possible use as integrated heterodyne mixers.
机译:我们介绍了在GaN异质结构上可用于THz范围内的混合和整流的高电子迁移率晶体管的实现。器件制造与毫米波集成电路所采用的工业工艺完全兼容。片上集成,对极化敏感的平面天线被设计为允许将THz辐射选择性耦合到场效应晶体管的三个端子,以便为远高于截止频率的频率探索不同的混合方案以进行放大。光谱响应在0.18-0.40 THz范围内的偏振依赖性清楚地证明了可以用作集成外差混频器。

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