Terahertz generation by means of ZnGeP2 large aperture photoconductive antenna

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Terahertz generation by means of ZnGeP2 large aperture photoconductive antenna	892 KB	Adobe Acrobat PDF	Read	Download
DOI Доступ к ресурсу на сайте издателя			10.1117/1.OE.60.8.082015

Title: Terahertz generation by means of ZnGeP2 large aperture photoconductive antenna
Creator: Bulgakova, Vladislava
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Ushakov, Aleksandr
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Chizhov, Pavel
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Yudin, Nikolay N.
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Zinoviev, Mikhail M.
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Podzyvalov, Sergey N.
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Dolmatov, Timophey
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Bukin, Vladimir
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Garnov, Sergey
Date: 2021
DOI: 10.1117/1.OE.60.8.082015
Description: The generation of terahertz (THz) radiation using a ZnGeP2 (ZGP) large-aperture photoconductive antenna (PCA) was demonstrated. The semiconductors were excited above and below the bandgap (400 and 800 nm) by a femtosecond Ti:sapphire laser. The THz pulse waveform generated by the ZGP antenna was measured using a time-domain spectroscopy technique. The antenna’s THz pulse energy dependence on the optical pump energy was measured, and saturation fluence and carrier mobility were estimated. The ZGP and a chemical vapor deposited ZnSe-based PCA were compared.

Created: 28-11-2022

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