Delfanazari, K. et al. (2013) Study of coherent and continuous terahertz wave emission in equilateral triangular mesas of superconducting Bi2Sr2CaCu2O8+δ intrinsic Josephson junctions. Physica C: Superconductivity, 491, pp. 16-19. (doi: 10.1016/j.physc.2012.12.009)
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Abstract
We report on intense and coherent terahertz (THz) electromagnetic (EM) waves emitted from equilateral triangular mesa structures of the intrinsic Josephson junctions (IJJs) in single crystalline high-Tc superconducting Bi2Sr2CaCu2O8+δ. The focused ion beam milling technique is used for mesa fabrication. THz radiation is observed when the emission frequency is in the vicinity of the primary cavity resonance frequency determined by the mesa geometry. We also investigated numerically the THz radiation from such mesas using the finite difference time domain method. We found an apparent EM mode similar to the known TM(1, 0) = TM(0, 1) cavity mode during the THz emission.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Delfanazari, Dr Kaveh |
| Authors: | Delfanazari, K., Asai, H., Tsujimoto, M., Kashiwagi, T., Kitamura, T., Yamamoto, T., Sawamura, M., Ishida, K., Tachiki, M., Klemm, R. A., Hattori, T., and Kadowaki, K. |
| College/School: | College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering |
| Journal Name: | Physica C: Superconductivity |
| Publisher: | Elsevier |
| ISSN: | 0921-4534 |
| ISSN (Online): | 1873-2143 |
| Published Online: | 29 December 2012 |
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