Evaluation of nano-slot antenna for mid-infrared detectors |
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| Institution: | 1. Major in Materials Science, Graduate School of Science and Engineering, Ibaraki University, Hitachi, Ibaraki 316-8511, Japan;2. Nano ICT Laboratory, Advanced ICT Research Institute, NICT, Kobe, Hyogo 651-2492, Japan;3. Department of Mechanical Engineering, Graduate School of Engineering, Shizuoka University, Hamamatsu, Shizuoka 432-8011, Japan;1. Center for Photonics Innovation, Arizona State University, Tempe, AZ, 85287, USA;2. School for Engineering of Matter, Transport, and Energy, Arizona State University, Tempe, AZ, 85287, USA;3. School of Electrical, Computer, and Energy Engineering, Arizona State University, Tempe, AZ, 85287, USA;4. Air Force Research Laboratory, Space Vehicles Directorate RVSWS, Kirtland Air Force Base, Albuquerque, NM, USA;5. Applied Technology Associates, Albuquerque, NM, USA;1. Department of Materials Science and Engineering, Seoul National University, Seoul 08826, South Korea;2. Chemical and Materials Science Center, National Renewable Energy Laboratory, CO 80401, United States;3. School of Materials Science and Engineering, Kyungpook National University, Daegu 41566, South Korea;1. CEA Saclay, IRAMIS, “Laboratoire Interactions Dynamique et Lasers”, Centre d''Etudes de Saclay, F-91191 Gif-sur-Yvette Cedex, France;2. CEA, DIF, F-91297 Arpajon, France;1. Department of Electrical Engineering, Urmia Branch, Islamic Azad University, Urmia, Iran;2. Department of Electrical Engineering, Faculty of Electrical and Computer Engineering, Shahid Beheshti University, G. C. 1983963113, Tehran, Iran;3. Young Researchers and Elite Club, Hidaj Branch, Islamic Azad University, Hidaj, Iran;4. Department of Electrical Engineering, Mahabad Branch, Islamic Azad University, Mahabad, Iran;1. Photonic Technology Research and Development Center, Quanzhou Normal University, No 398, Donghai Main Street, Quanzhou, Fujian 362000, China;2. Sichuan New Materials Research Center, Institute of Chemical Materials, CAEP, Chengdu, Sichuan 610200, China;3. Department of Materials Science & Engineering, CAS Key Lab of Materials for Energy Conversion, Synergetic Innovation Center of Quantum Information & Quantum Physics, University of Science and Technology of China, Hefei, Anhui 230026, China |
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| Abstract: | To improve the response performance of superconducting infrared detectors, we propose using a photonic antenna with a micro-detector in conjunction with a nano-structure. In this paper, we report evaluation results that show the basic characteristics of a photonic antenna in the mid-infrared region. The antenna consists of a nano-slot antenna and a thin-film load resistance placed in the center of the antenna. The antennas were designed for operation at approximately several tens of THz by using an electromagnetic simulator. Through measurements of the spectral reflectance characteristics, clear absorptions caused by the antenna properties were observed at approximately 50 THz, and high polarization dependencies were also observed. The results of the simulation qualitatively agreed with the results of the experiment. The effective area of the antenna was also evaluated and was found to be approximately 3.5 μm2 at 54 THz. |
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| Keywords: | Antenna Antenna impedance Detector FTIR Infrared |
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