Joint workshop of 5th Workshop on Quantum and Classical Cryogenic Devices, Circuits, and Systems, 16th Superconducting SFQ VLSI Workshop, and 2nd International Workshop of Spin/Quantum Materials and Devices (November 16–17, 2023 | Sendai, Japan)

Program (Schedule)

Last updated on November 7, 2023, 11:40 a.m.

Thursday, Novemver 16

13:00–13:10
Opening remarks
T. Yamashita (Tohoku Univ.)

SSV session I (13:10–14:10) Chair: N. Yohikawa

13:10–13:40
[I-1] M. Horibe (invited), AIST
“Enhancement of superconducting VLSI technology for next generation large-scale quantum computer in G-QuAT/AIST”
13:40–13:55
[O-1] T. Nakayama, S. Tanemura, M. Higashi, F. Li, M. Tanaka, and A. Fujimaki, Nagoya Univ.
“Demonstration of essential elements for realizing low-power HFQ circuits”
13:55–14:10
[O-2] S. Miyajima, H. Terai, NICT; T. Yamashita, D. Pham, Tohoku Univ.; M. Tanaka, Nagoya Univ.; and S. Miki, NICT, Kobe Univ.
“Fabrication process for superconducting devices based on nitride superconductors including ferromagnetic Josephson junction”

Coffee break (14:10–14:30)

IWSQMD session (14:30–16:15) Chair: H. Morishita

14:30–15:00
[I-2] A. Kamimaki (invited), Y. Sekiguchi, K. Wakamatsu, K. Mikata, A. Matsuki, K. Sugihara, Yokohama National Univ.; S. Onda, Yokohama National Univ., QST; H. Kato, T. Makino, Yokohama National Univ., AIST; H. Kosaka, Yokohama National Univ.
“Quantum manipulation and creation of a single nitrogen-vacancy center for high-fidelity quantum repeaters”
15:00–15:30
[I-3] D. Lee (invited), Korea Univ.
“Qubits, new experimental tools for science: Diamond magnetometry”
15:30–15:45
[O-3] S. Nakamura, Tohoku Univ.; N. Morioka, N. Mizuochi, Kyoto Univ.; S. Mizukami, and H. Morishita, Tohoku Univ.
“Photoelectrically detected single nitrogen-vacancy centers in diamond”
15:45–16:00
[O-4] F. Kaneda, Tohoku Univ., JST
“Time multiplexing for high-efficiency generation of single and entangled photons”
16:00–16:15
[O-5] M. Yamada, T. Naito, R. Nishimura, A. Masago, Y. Shiratsuchi, Osaka Univ.; Y. Wagatsuma, K. Sawano, Tokyo City Univ.; R. Nakatani, T. Oguchi, and K. Hamaya, Osaka Univ.
“Effect of interfacial spin moments at ferromagnet/semiconductor heterojunctions on interface spin polarization”

Coffee break (16:15–16:30)

Poster session on 1st floor at AIMR (16:30–18:00)

Banquet (18:00–19:30)

Friday, Novemver 17

SSV session II (9:00–10:15) Chair: M. Tanaka

9:00–9:30
[I-4] P. Beerel (invited), Univ. of Southern California
“Clocking large-scale SFQ circuits: Hidden challenges and new opportunities”
9:30–9:45
[O-6] N. Yoshikawa, W. Komiya, N. Takeuchi, A. Christopher, and Y. Yamanashi, Yokohama National Univ.
“Dual-rail direct-coupled AQFP logic”
9:45–10:00
[O-7] H. Myoren, T. Funazawa, K. Oba, Y. Shimizu and M. Naruse, Saitama Univ.,
“SFQ logic circuits for braiding operations in a topological Josephson junction array”
10:00–10:15
[O-8] M. Hidaka, S. Nagasawa, K. Makise, H. Yamamori, AIST; T. Sato, and M. Tanaka, Nagoya Univ.
“Integration process for 0 and π Josephson junctions into Nb four-layer devices”

Coffee break (10:15–10:30)

CIRQuM session (10:30–12:15) Chair: M. Kohda

10:30–11:00
[I-5] H. Takayanagi (invited), NINS, The Univ. of Tokyo
“Andreev reflection and superconducting proximity effect”
11:00–11:30
[I-6] Y. Yamazaki (invited), T. Tanaka, QST; M. Kohda, and T. Ohshima, QST, Tohoku Univ.
“Development of silicon vacancy based quantum sensor for direct measurement inside silicon carbide devices”
11:30–11:45
[O-9] S. Kanai, Tohoku Univ., JST
“Solid state spin center in oxide”
11:45–12:00
[O-10] X. Xu, T. Inaba, T. Aihara, K. Hitachi, NTT; A. Ishizawa, T. Tawara, Nihon Univ.; and H. Sanada, NTT
“Epitaxial rare-earth oxide thin films and waveguide devices for quantum information applications”
12:00–12:15
[O-11] K. Hashimoto, K. Kaneta, Y. Hiraga, Tohoku Univ.; S. Li, S. Sakai, QST; R. Kawagu-chi, and T. Komeda, Tohoku Univ.
“Electrically detected electron spin resonance applied to atomic-layer and single-molecule systems”

Lunch (12:15–13:45)

QCCC session I (13:45–15:00) T. Otsuka

13:45–14:15
[I-7] S. Tamate (invited), RIKEN
“Scalable integration of superconducting quantum circuits with three-dimensional wiring”
14:15–14:30
[O-12] T. Yamada, Y. Urade, T. Ishikawa, M. Tsujimoto, G. Fujii, S. Nagasawa, Y. Nakashima, W. Mizubayashi, and K. Inomata, AIST
“Characterization of a Josephson traveling-wave parametric amplifier with an AlOx dielectric for capacitors”
14:30–14:45
[O-13] C. W. S. Chang, RIKEN; A. F. van Loo, RIKEN, The Univ. of Tokyo; H. Kutsuma, Tohoku Univ.; S. Tamate, RIKEN; and Y. Nakamura, RIKEN, The Univ. of Tokyo
“Low-insertion-loss Josephson traveling-wave parametric amplifiers based on coplanar architectures”
14:45–15:00
[O-14] H. Kutsuma, Tohoku Univ., RIKEN, JST; C. W. S. Chang, RIKEN; M. Takeda, Shizuoka Univ.; H. Terai, NICT; Y. Urade, AIST; S. Tamate, RIKEN; Y. Takeda, The Univ. of Tokyo; and Y. Nakamura, RIKEN, The Univ. of Tokyo
“Design of kinetic-inductance traveling-wave parametric amplifiers for readout of superconducting quantum circuits”

Coffee break (15:00–15:15)

QCCC session II (15:15–16:30) T. Yamashita

15:15–15:45
[I-8] M. Ohzeki (invited), Tohoku Univ.
“Quantum solution hub —Tohoku University— quantum annealing and its solution in society”
15:45–16:00
[O-15] Y. Ueno, RIKEN; Y. Tomida, The Univ. of Tokyo; T. Tanimoto, Kyushu Univ.; M. Tanaka, Nagoya Univ.; Y. Tabuchi, RIKEN; K. Inoue, Kyushu Univ.; and H. Nakamura, The Univ. of Tokyo
“Toward system-level optimization of superconducting quantum computers: The case of QAOA”
16:00–16:15
[O-16] D. Pham, Tohoku Univ.; T. Ueda, Nagoya Univ.; S. Miyajima, H. Terai, NICT; K. Inomata, AIST; M. Tanaka, A. Fujimaki, Nagoya Univ.; and T. Yamashita, Tohoku Univ.
“Design, fabrication, and measurement setup of a capacitively shunted π-flux qubit controlled by a monolithic integrated SFQ circuit”
16:15–16:30
[O-17] T. Johmen, M. Shinozaki, Y. Fujiwara, T. Aizawa, and T. Otsuka, Tohoku Univ.
“High-frequency measurement in graphene nanostructures for quantum devices”
16:30–16:45
Closing remarks
S. Mizukami (Tohoku Univ.)