S. Ozawa, T. Hori, Syougo Azuma, S. Funkner, G. Niehues, K. Yamamoto, T. Furuya, H. Kitahara, G. Banciu, L. Nedelcu, E. Estacio, M. Bakunov, M. Tani
{"title":"在非共线切伦科夫相位匹配方案中使用BaTiO3的太赫兹脉冲电光采样","authors":"S. Ozawa, T. Hori, Syougo Azuma, S. Funkner, G. Niehues, K. Yamamoto, T. Furuya, H. Kitahara, G. Banciu, L. Nedelcu, E. Estacio, M. Bakunov, M. Tani","doi":"10.1109/IRMMW-THZ.2015.7327566","DOIUrl":null,"url":null,"abstract":"In this paper we report electro-optic (EO) sampling of THz pulses using ferroelectric crystal in the non-collinear Cherenkov phase-matching scheme, where an effective velocity matching is achieved in an EO crystal with a large refractive index in the THz frequency region. We demonstrate efficient THz EO sampling using LiNbO<sub>3</sub> and BaTiO<sub>3</sub> crystals in the Cherenkov- phase-matching scheme. It is shown that the efficiency of EO sampling with BaTiO3 is smaller than that with LiNbO<sub>3</sub>, even though the EO coefficient (r<sub>33</sub>) of BaTiO<sub>3</sub> is three times higher than that of LiNbO<sub>3</sub>. The reason of the poor performance of BaTiO<sub>3</sub> is attributed to the strong absorption in the THz frequency region.","PeriodicalId":6577,"journal":{"name":"2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz)","volume":"68 1","pages":"1-2"},"PeriodicalIF":0.0000,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Electro-optic sampling of terahertz pulses using BaTiO3 in non-collinear Cherenkov phase-matching scheme\",\"authors\":\"S. Ozawa, T. Hori, Syougo Azuma, S. Funkner, G. Niehues, K. Yamamoto, T. Furuya, H. Kitahara, G. Banciu, L. Nedelcu, E. Estacio, M. Bakunov, M. Tani\",\"doi\":\"10.1109/IRMMW-THZ.2015.7327566\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper we report electro-optic (EO) sampling of THz pulses using ferroelectric crystal in the non-collinear Cherenkov phase-matching scheme, where an effective velocity matching is achieved in an EO crystal with a large refractive index in the THz frequency region. We demonstrate efficient THz EO sampling using LiNbO<sub>3</sub> and BaTiO<sub>3</sub> crystals in the Cherenkov- phase-matching scheme. It is shown that the efficiency of EO sampling with BaTiO3 is smaller than that with LiNbO<sub>3</sub>, even though the EO coefficient (r<sub>33</sub>) of BaTiO<sub>3</sub> is three times higher than that of LiNbO<sub>3</sub>. The reason of the poor performance of BaTiO<sub>3</sub> is attributed to the strong absorption in the THz frequency region.\",\"PeriodicalId\":6577,\"journal\":{\"name\":\"2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz)\",\"volume\":\"68 1\",\"pages\":\"1-2\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2015-11-12\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IRMMW-THZ.2015.7327566\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IRMMW-THZ.2015.7327566","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Electro-optic sampling of terahertz pulses using BaTiO3 in non-collinear Cherenkov phase-matching scheme
In this paper we report electro-optic (EO) sampling of THz pulses using ferroelectric crystal in the non-collinear Cherenkov phase-matching scheme, where an effective velocity matching is achieved in an EO crystal with a large refractive index in the THz frequency region. We demonstrate efficient THz EO sampling using LiNbO3 and BaTiO3 crystals in the Cherenkov- phase-matching scheme. It is shown that the efficiency of EO sampling with BaTiO3 is smaller than that with LiNbO3, even though the EO coefficient (r33) of BaTiO3 is three times higher than that of LiNbO3. The reason of the poor performance of BaTiO3 is attributed to the strong absorption in the THz frequency region.
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