Evidence for a Dual-Source Mechanism of THz Radiation from Rectangular Mesas of Single Crystalline \bm{$\mathrm{Bi_2Sr_2CaCu_2O_{8+δ}}$} Intrinsic Josephson Junctions
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arXiv
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| Hauptverfasser: | , , , , , , , |
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| Format: | Preprint |
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2009
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| _version_ | 1866913008188391424 |
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| author | Kadowaki, Kazuo Tsujimoto, Manabu Yamaki, Kazuhiro Yamamoto, Takashi Kashiwagi, Takanari Minami, Hidetoshi Tachiki, Masashi Klemm, Richard A. |
| author_facet | Kadowaki, Kazuo Tsujimoto, Manabu Yamaki, Kazuhiro Yamamoto, Takashi Kashiwagi, Takanari Minami, Hidetoshi Tachiki, Masashi Klemm, Richard A. |
| contents | The THz radiation emitted from rectangular mesas of single-crystal $\mathrm{Bi_2Sr_2CaCu_2O_{8+δ}}$ was studied using angular distribution measurements and Fourier transform infrared spectroscopy. Unlike the recent theoretical predictions, the results provide strong evidence for a dual-source mechanism in which the uniform and non-uniform parts of the $ac$-Josephson current act as electric and magnetic current sources, respectively. The latter synchronizes with cavity modes of the mesa with integral harmonics of the fundamental radiation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_0912_3063 |
| institution | arXiv |
| publishDate | 2009 |
| record_format | arxiv |
| spellingShingle | Evidence for a Dual-Source Mechanism of THz Radiation from Rectangular Mesas of Single Crystalline \bm{$\mathrm{Bi_2Sr_2CaCu_2O_{8+δ}}$} Intrinsic Josephson Junctions Kadowaki, Kazuo Tsujimoto, Manabu Yamaki, Kazuhiro Yamamoto, Takashi Kashiwagi, Takanari Minami, Hidetoshi Tachiki, Masashi Klemm, Richard A. Superconductivity Strongly Correlated Electrons The THz radiation emitted from rectangular mesas of single-crystal $\mathrm{Bi_2Sr_2CaCu_2O_{8+δ}}$ was studied using angular distribution measurements and Fourier transform infrared spectroscopy. Unlike the recent theoretical predictions, the results provide strong evidence for a dual-source mechanism in which the uniform and non-uniform parts of the $ac$-Josephson current act as electric and magnetic current sources, respectively. The latter synchronizes with cavity modes of the mesa with integral harmonics of the fundamental radiation. |
| title | Evidence for a Dual-Source Mechanism of THz Radiation from Rectangular Mesas of Single Crystalline \bm{$\mathrm{Bi_2Sr_2CaCu_2O_{8+δ}}$} Intrinsic Josephson Junctions |
| topic | Superconductivity Strongly Correlated Electrons |
| url | https://arxiv.org/abs/0912.3063 |