Oral presentation

11 Superconductivity » 11.5 Junction and circuit fabrication process, digital applications

[23p-D214-1~19] 11.5 Junction and circuit fabrication process, digital applications

Wed. Mar 23, 2022 1:00 PM - 6:00 PM D214 (D214)

Shigeyuki Miyajima(NICT), Yuki Yamanashi(Yokohama Natl. Univ.)

△：Presentation by Applicant for JSAP Young Scientists Presentation Award
▲：English Presentation
▼：Both of Above
No Mark：None of Above

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1:00 PM - 1:15 PM

▲ [23p-D214-1] [The 51st Young Scientist Presentation Award Speech] π-π-π SQUIDs: The Switching Element of HFQ Circuits Operating at mK

〇Feng Li¹, Duong Pham¹, Yuto Takeshita¹, Kento Kato¹, Masamitsu Tanaka¹, Taor Yamashita¹, Akira Fujimaki¹ (1.Nagoya Univ.)

1:15 PM - 1:30 PM

[23p-D214-2] Design of Josephson Parametric Oscillator with superconducting 3D-structure

〇Akira Miyata^1,2, Kunihiko Ishihara^1,2, Takanori Nishi^1,2, Nanba Kenji¹, Ayami Yamaguchi¹, Tetsuro Sato^1,2, Ayuka Morioka^1,2, Tsuyoshi Yamamoto^1,2, Katsumi Kikuchi^1,2 (1.NEC, 2.AIST)

1:30 PM - 1:45 PM

[23p-D214-3] Development of 3D wiring integration for qubit with Josephson Parametric Oscillator

〇Kunihiko Ishihara^1,2, Suguru Watanabe^1,2, Akira Miyata^1,2, Tsuyoshi Yamamoto^1,2, Katsumi Kikuchi^1,2 (1.NEC, 2.AIST)

1:45 PM - 2:00 PM

[23p-D214-4] Investigation of the Connection Qubit for the Superconducting Circuit in the Quantum Annealing

〇Daisuke Saida¹, Mutsuo Hidaka¹, Kazumasa Makise¹, Fuminori Hirayama¹, Yuki Yamanashi² (1.AIST, 2.YNU)

2:00 PM - 2:15 PM

[23p-D214-5] Design of Single Flux Quantum Circuits with Critical Current Density Process Lowered to 250 A/cm² toward Quantum Bit Control

〇Masamitsu Tanaka¹, Yoshihiro Kitagawa^2,3, Tetsuro Satoh^2,3, Tsuyoshi Yamamoto^2,3 (1.Nagoya Univ., 2.NEC, 3.AIST)

2:15 PM - 2:30 PM

[23p-D214-6] Design and demonstration of a variable-amplitude microwave generator using SFQ circuits

〇(D)Hongxiang shen¹, Naoki Takeuchi^2,3, Yuki Yamanashi^1,3, Nobuyuki Yoshikawa^1,3 (1.Yokohama Natl. Univ., 2.RCECT AIST, 3.IAS, YNU)

2:30 PM - 2:45 PM

[23p-D214-7] Development of a fabrication process for superconducting integration circuits based on nitride superconductors for qubit control

〇Shigeyuki Miyajima¹, Taro Yamashita², Masamitsu Tanaka², Naoki Takeuchi³, Hirotaka Terai¹ (1.NICT, 2.Nagoya Univ., 3.AIST)

2:45 PM - 3:00 PM

[23p-D214-8] Design of NbN-Based, Extremely Low-Power Single-Flux-Quantum Circuits toward Monolithic Integration with Quantum Bits

〇Toranosuke Nakayama¹, Ueda Tomoharu¹, Tanaka Masamitsu¹, Yamashita Taro¹, Fujimaki Akira¹ (1.Nagoya Univ.)

3:00 PM - 3:15 PM

[23p-D214-9] Design and evaluation of a stochastic memory using a superconductor storage loop

〇(D)Wenhui Luo¹, Naoki Takeuchi^2,3, Olivia Chen⁴, Nobuyuki Yoshikawa^1,3 (1.Yokohama Nat'l Univ, 2.RCECT, AIST, 3.IAS, YNU, 4.Tokyo City Univ.)

3:15 PM - 3:30 PM

[23p-D214-10] Design of a small-area and low-latency stocastic number generator using superconducting random number generator

〇Yuto Ushiyama¹, Yuki Yamanashi¹, Nobuyuki Yoshikawa¹ (1.Science and Engineering, Yokohama National Univ.)

3:45 PM - 4:00 PM

△ [23p-D214-11] Theory of analogue black holes in magnetic soliton controlled superconducting quantum circuits

〇Haruna Katayama¹, Satoshi Ishizaka¹, Noriyuki Hatakenaka¹, Toshiyuki Fujii² (1.Hiroshima Univ., 2.Asahikawa Medical Univ.)

4:00 PM - 4:15 PM

▲ [23p-D214-12] Cryogenic NbTiN Thin Film Resistors for Superconducting MMICs Fabricated by Using Reactive Magnetron Sputtering

〇Wenlei Shan¹, Shohei Ezaki¹ (1.NAOJ)

4:15 PM - 4:30 PM

[23p-D214-13] Effects of Nb oxide film thickness controlled by neutral beam oxidation on superconducting resonators

〇(M2)Taichi Konno¹, Daisuke Ohori¹, Mutsuo Hidaka³, Shuichi Noda³, Kazuhiko Endo³, Hiroto Mukai^4,5, Akiyoshi Tomonaga^4,5, Jaw Shen Tsai^4,5, Seiji Samukawa^1,2 (1.IFS, Tohoku Univ., 2.AIMR, Tohoku Univ., 3.AIST, 4.TUS, 5.RQC, RIKEN)

4:30 PM - 4:45 PM

[23p-D214-14] Design and fabrication of toggle flip-flop circuit with NbN-based half flux quantum circuits

〇Riku Sugimoto¹, Kenjiro Oba¹, Duong Pham¹, Masamitsu Tanaka¹, Taro Yamashita¹, Akira Fujimaki¹ (1.Nagoya Univ.)

4:45 PM - 5:00 PM

[23p-D214-15] 170-GHz Operation of Single Flux Quantum Shift-Registers Using 25 kA/cm² Nb/Al/AlO_x/Al/Nb Junctions

〇Masamitsu Tanaka¹, Taro Yamashita¹, Akira Fujimaki¹, Kazumasa Makise^2,3, Shuichi Nagasawa³, Mutsuo Hidaka³ (1.Nagoya Univ., 2.NAOJ, 3.AIST)

5:00 PM - 5:15 PM

[23p-D214-16] Design of a Low-Area 4-bit Carry Lookahead Adder Using Clockless Logic Gates with Superconducting Single Flux Quantum Circuits

〇Taisei Fujisawa¹, Yuki Yamanashi¹, Nobuyuki Yoshikawa¹ (1.Yokohama National Univ.)

5:15 PM - 5:30 PM

[23p-D214-17] Design and evaluation of self-resetting RSFQ/AQFP interface circuits

〇Mikiya Naruse^1,2, Naoki Takeuchi², Nobuyuki Yoshikawa^1,2 (1.Dept. of Electrical and Computer Eng., Yokohama Natl. Univ., 2.IAS, Yokohama Natl. Univ.)

5:30 PM - 5:45 PM

[23p-D214-18] Analysis of the SQUID based on π-junction for high magnetic permeability

〇Masayuki Higashi¹, Yuto Takeshita¹, Kento Kato¹, Hinata Fujisawa¹, Feng Li¹, Masamitsu Tanaka¹, Taro Yamashita¹, Akira Fujimaki¹ (1.Nagoya Univ.)

5:45 PM - 6:00 PM

[23p-D214-19] Demonstration of controlling the state of memory cell by impulse-signals

〇Yuto Takeshita¹, Hinata Fujisawa¹, Kento Kato¹, Masayuki Higashi¹, Feng Li¹, Masamitsu Tanaka¹, Taro Yamashita¹, Akira Fujimaki¹ (1.Nagoya Univ.)

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