A photoconductive antenna (PCA) for terahertz (THz) waves consists of a highly resistive direct semiconductor thin film with two electric contact pads. In most cases the film consists of a III-V …

PCA as THz transmitter and receiver. A photoconductive antenna, consisting of a low temperature grown GaAs or InGaAs film covered with metallic contacts can be used as an optical excited …

2019年2月5日 · An efficient terahertz (THz) photoconductive antenna (PCA), as a major constituent for the generation or detection of THz waves, plays an essential role in bridging...

We present the first waveguide-integrated photoconductive antennas (PCA) for continuous-wave (cw) terahertz (THz) detection. The PCAs consisting of an InGaAs photoconductor mesa and a …

2017年1月24日 · Photoconductive antennas (PCAs) have been extensively utilized for the generation and detection of both pulsed broadband and single frequency continuous wave …

这些电子-空穴对在外部电场的作用下移动，形成瞬态电流脉冲，随后被进一步用作模拟后续太赫兹 (THz) 脉冲的源电流密度。 仿真的主要结果是太赫兹脉冲的远场频谱和辐射方向图。

2024年11月20日 · THz光导天线是目前THz时域光谱仪中常用的太赫兹产生与探测器件，太赫兹光电导发射天线PCA-SL-50-50-780和太赫兹光电导接收天线PCA-D-50-7.2-780可以构建能够 …

PCA 光电导天线可用作 THZ 激发和接收源。它是在低温生长的 GaAs 或 InGaAs 薄片上覆盖金属电极，电极上附加的偏置电压可用于锁相放大的测量。 PCA 天线最重要的两个参数试长度和 …

Photoconductive antennas (PCAs) have been extensively utilized for the generation and detection of both pulsed broadband and single frequency continuous wave terahertz (THz) band radiation.

2025年3月11日 · The THz noise signal output from PCA is coupled to 8th, 12th, 18th and 24th harmonic mixers (VDI, SAX-185, SAX-186, SAX-187, and SAX-188) for down-conversion in …