Nathan M. Burford, Magda O. El-Shenawee,
https://www.spiedigitallibrary.org/journals/Optical-Engineering/volume-56/issue-01/010901/Review-of-terahertz-photoconductive-antenna-technology/10.1117/1.OE.56.1.010901.full
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. These devices form the basis of many THz imaging and spectroscopy systems, which have demonstrated promising applications in various industries and research fields. The development of THz PCA technology through the last 30 years is reviewed. The key modalities of improving device performance are identified, and literature is reviewed to summarize the progress made in these areas. The goal of this review is to provide a collection of all relevant literature to bring researchers up to date on the current state and remaining challenges of THz PCA technology.
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