Ryota Hayakawa, Daiji Fukuda, Kaori Hattori, Fuminori Hirayama, Takahiro Kikuchi, Satoshi Kohjiro, Akira Sato, Hirotake Yamamori. Demonstration of Simultaneous Optical Transition-Edge Sensors Readout Using Microwave SQUID Multiplexer with 5 MHz Flux Ramp Modulation. Journal of Low Temperature Physics. 2024
Takahiro Kikuchi, Go Fujii, Ryota Hayakawa, Ryan Smith, Fuminori Hirayama, Yasushi Sato, Satoshi Kohjiro, Masahiro Ukibe, Masashi Ohno, Akira Sato, et al. A 320-keV Spectrometer Based on 8-Pixel Transition Edge Sensor With Trilayer Membrane and Novel Numerical Analysis. IEEE Transactions on Applied Superconductivity. 2023
T. Kikuchi, G. Fujii, R. Hayakawa, R. Smith, F. Hirayama, Y. Sato, S. Kohjiro, M. Ukibe, M. Ohno, A. Sato, et al. Gamma-ray transition edge sensor with a thick SiO2/SixNy/SiO2 membrane. Applied Physics Letters. 2021
Y. Nakashima, F. Hirayama, S. Kohjiro, H. Yamamori, S. Nagasawa, A. Sato, S. Yamada, R. Hayakawa, N. Y. Yamasaki, K. Mitsuda, et al. Low-noise microwave SQUID multiplexed readout of 38 x-ray transition-edge sensor microcalorimeters. Applied Physics Letters. 2020. 117. 12. 122601-122601
Akira Sato. Degradation of Quality Factor of Superconducting Resonators by Remaining Metallic Film and Improved Fabrication Process Using Caldera Planarization. IEEE Transactions on Applied Superconductivity. 2019
