Optical and Tunneling Studies of Energy Gap in Superconducting Niobium Nitride Films von Uzawa, Yoshinori, Saito, Shingo, Qiu, Wei, Makise, Kazumasa, Kojima, Takafumi, Wang, Zhen

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A Novel Microwave Nonreciprocal Isolator Based on Frequency Mixers von Masui, Sho, Kojima, Takafumi, Uzawa, Yoshinori, Onishi, Toshikazu

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On-Wafer Cryogenic Characterization Technique of an SIS-Based Frequency Up and Down Converter von Kojima, Takafumi, Uzawa, Yoshinori, Shan, Wenlei, Kozuki, Yuto

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210-365 GHz 90° Differential Phase Shifter for Wideband Circular Polarizer von Masui, Sho, Hasegawa, Yutaka, Ogawa, Hideo, Kojima, Takafumi, Onishi, Toshikazu

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Development of an SIS Mixer-based Low-noise Amplifier Amenable to Josephson Oscillator Pumping von Uzawa, Y., Kojima, T., Makise, K., Kawakami, A., Kozuki, Y., Masui, S., Shan, W.

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Contribution of Quantum Susceptance in SIS Junction Capacitance Measurement von Kojima, Takafumi, Kroug, Matthias, Uzawa, Yoshinori, Kozuki, Yuto, Wenlei Shan

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Experimental Study of a Planar-Integrated Dual-Polarization Balanced SIS Mixer von Shan, Wenlei, Ezaki, Shohei, Kaneko, Keiko, Miyachi, Akihira, Kojima, Takafumi, Uzawa, Yoshinori

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Development of seven-beam optics using dielectric lenses for a new 72–116 GHz receiver in the Nobeyama 45 m telescope von Yamasaki, Yasumasa, Hasegawa, Yutaka, Yoneyama, Sho, Kawashita, Sana, Chinen, Tsubasa, Masui, Sho, Nosohara, Chiaki, Sun, Heyang, Dakie, Shuto, Kameyama, Akira, Fujitomo, Ikko, Nishikawa, Yuma, Ogawa, Hideo, Tatematsu, Ken’ichi, Nishimura, Atsushi, Miyazawa, Chieko, Takahashi, Toshikazu, Maekawa, Jun, Gonzalez, Alvaro, Kojima, Takafumi, Imada, Hiroaki, Kaneko, Keiko, Sakai, Ryo, Sakai, Takeshi, Onishi, Toshikazu

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Development of Superconducting Devices Supporting Radio Astronomy von UZAWA, Yoshinori, KROUG, Matthias, KOJIMA, Takafumi, TAKEDA, Masanori, MAKISE, Kazumasa, EZAKI, Shohei, SHAN, Wenlei, MIYACHI, Akihira, FUJII, Yasunori, TERAI, Hirotaka

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Development of a new wideband heterodyne receiver system for the Osaka 1.85 m mm-submm telescope: Corrugated horn and optics covering the 210-375 GHz band von Yamasaki, Yasumasa, Masui, Sho, Ogawa, Hideo, Kondo, Hiroshi, Matsumoto, Takeru, Okawa, Masanari, Yokoyama, Koki, Minami, Taisei, Konishi, Ryotaro, Kawashita, Sana, Konishi, Ayu, Nakao, Yuka, Nishimoto, Shimpei, Yoneyama, Sho, Ueda, Shota, Hasegawa, Yutaka, Fujita, Shinji, Nishimura, Atsushi, Kojima, Takafumi, Kaneko, Keiko, Sakai, Ryo, Gonzalez, Alvaro, Uzawa, Yoshinori, Onishi, Toshikazu

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Fabrication and Characterization of Silicon (100) Membranes for a Multi-beam Superconducting Heterodyne Receiver von Ezaki, Shohei, Shan, Wenlei, Kojima, Takafumi, Gonzalez, Alvaro, Asayama, Shin’ichiro, Noguchi, Takashi

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Performance and Characterization of a Wide IF SIS-Mixer-Preamplifier Module Employing High-J c SIS Junctions von Kojima, Takafumi, Kroug, Matthias, Uemizu, Kazunori, Niizeki, Yasutaka, Takahashi, Hiroaki, Uzawa, Yoshinori

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Low Leakage Current Nb-Based Tunnel Junctions with an Extra Top Al Layer von IKEYA, Mizuki, NOGUCHI, Takashi, KOJIMA, Takafumi, SAKAI, Takeshi

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Low-noise integrated balanced SIS mixer for 787-950 GHz von Fujii, Yasunori, Kojima, Takafumi, Gonzalez, Alvaro, Asayama, Shin'ichiro, Kroug, Matthias, Kaneko, Keiko, Ogawa, Hideo, Uzawa, Yoshinori

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Frequency Bandwidth Adjustment by Precision Post-Processing for a 0.78–0.95 THz Band SIS Mixer von Noguchi, Takashi, Kroug, Matthias, Kojima, Takafumi, Uzawa, Yoshinori, Miyachi, Akihira, Fujii, Yasunori, Takeda, Masanori

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Design and performance of mass-produced sideband separating SIS mixers for ALMA band 4 receivers von Kojima, Takafumi, Kuroiwa, Koichi, Takahashi, Toshikazu, Fujii, Yumi, Uzawa, Yoshinori, Asayama, Shin'ichiro, Noguchi, Takashi

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Performance of the ALMA Band 10 SIS Receiver Prototype Model von Fujii, Y, Kroug, M, Kaneko, K, Gonzalez, A, Uzawa, Y, Kojima, T, Kuroiwa, K, Miyachi, A, Makise, K, Zhen Wang, Wenlei Shan

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Low Leakage Current Nb-Based Tunnel Junctions with an Extra Top Al Layer von Ikeya, Mizuki, Noguchi, Takashi, Kojima, Takafumi, Sakai, Takeshi

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275–500 GHz Waveguide Diplexer to Combine Local Oscillators for Different Frequency Bands von Gonzalez, Alvaro, Kojima, Takafumi, Kaneko, Keiko, Asayama, Shin'ichiro

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Three Quanta Sensitivity Superconductor–Insulator–Superconductor Mixer for the 0.78–0.95 THz Band von Kojima, Takafumi, Kroug, Matthias, Takeda, Masanori, Uzawa, Yoshinori, Shan, Wenlei, Fujii, Yasunori, Wang, Zhen, Ogawa, Hideo

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