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An Effective Method for Improving Emissions from Intrinsic Josephson Junction Arrays of Misaligned Tl2Ba2CaCu2O8+δ Thin Films |
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| Authors: | Z Wang B Fan P Wang L Ji X J Zhao S L Yan |
| Affiliation: | 1. Department of Electronics, Nankai University, Tianjin, 300071, China 2. Purple Mountain Observatory, CAS, Nanjing, Jiangsu, 210008, China 3. Key Lab of Radio Astronomy, CAS, Nanjing, Jiangsu, 210008, China 4. Department of Electrical and Computer Engineering, Michigan State University, East Lansing, MI, 48823, USA |
| Abstract: | In this paper, an effective method for improving emissions from Josephson junction arrays was proposed. We took the substrate as a dielectric resonance antenna to improve the coupling of intrinsic junctions to electromagnetic waves. Electromagnetic simulations were performed in parallel with experiment investigations. Sharp radiation peaks at 76.9?GHz were detected from intrinsic Josephson junction arrays in misaligned Tl2Ba2CaCu2O8+?? thin films at 78?K. Experimental results proved the effectiveness of this method, which offered a competitive choice for coherent emission from intrinsic Josephson junction arrays. |
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