Original paper

FY 2026

1. The equivalence of Gibbs states and limit microcanonical ensembles in classical non-compact Spin systems
   Takahiro Kajisa
   Tohoku Mathematical Journal (2026), accpted

FY 2025

1. Experimental evidence for the physical delocalization of individual photons in an interferometer
   Ryuya Fukuda, Masataka Iinuma, Yuto Matsumoto and Holger F Hofmann
   New Journal of Physics, 28, 034515 (2026)
   DOI: 10.1088/1367-2630/ae51b7

2. Active multiplexing for scalable generation and manipulation of photonic quantum states
   Fumihiro Kaneda and Masahiro Yabuno
   Nano Convergence, 13, 10 (2026)
   DOI: 10.1186/s40580-026-00540-6

3. Demonstration of sequential processors with quantum advantage and analysis of classical performance limits
   Shota Tateishi, Wenhao Wang, Baptiste Chevalier, Takafumi Ono, Masahiro Takeoka and Wojciech Roga
   Physical Review Research, 8, 013157 (2026)
   DOI: 10.1103/xj4v-k86w

4. Quantum coherence and negative quasi probabilities in a contextual three-path interferometer
   Holger F Hofmann
   JPhys Photonics, 8, 015047 (2026)
   DOI: 10.1088/2515-7647/ae37b4

5. Quantum contextuality requiring counterfactual gain
   Yuki Sagawa, Jonte R. Hance, Holger F. Hofmann and Takafumi Ono
   Physical Review A, 113, 012221 (2026)
   DOI: 10.1103/ngxx-2kcp

6. Tight qubit uncertainty relations studied through weak values in neutron interferometry
   Andreas Dvorak, Ismaele V. Masiello, Yuji Hasegawa, Hartmut Lemmel, Holger F. Hofmann and Stephan Sponar
   Physical Review Research, 7, 043334 (2025)
   DOI: 10.1103/pthn-81pm

7. Optimized Spectral Purity of Heralded Single Photons at the Telecom O-Band
   Wu-Hao Cai, Soyoung Baek, Rui-Bo Jin and Fumihiro Kaneda
   Advanced Physics Research, 4, e00167 (2025)
   DOI: 10.1002/apxr.202500167

8. Hybrid Cramér-Rao Bound for Quantum Bayes Point Estimation with Nuisance Parameters
   Jianchao Zhang and Jun Suzuki
   Entropy, 27, 1184 (2025)
   DOI: 10.3390/e27121184

9. A Coding Theoretic Study of Homogeneous Markovian Predictive Games
   Takara Nomura and Akio Fujiwara
   IEEE Transactions on Information Theory, 72, 1, 58-72 (2025)
   DOI: 10.1109/TIT.2025.3631705

10. Evaluating a two-color entangled-photon source for a bosonic silicon quantum circuit
    Koki Nagamachi, Hiroki Yamashita, Mikio Fujiwara, Shigehito Miki, Hirotaka Terai and Takafumi Ono
    Japanese Journal of Applied Physics, 64, 102004 (2025)
    DOI: 10.35848/1347-4065/ae0ef3

11. Entangled measurement for W states
    Geobae Park, Holger F. Hofmann, Ryo Okamoto and Shigeki Takeuchi
    Science Advances, 11, eadx4180 (2025)
    DOI: 10.1126/sciadv.adx4180

12. Low-Loss Polarization-Maintaining Router for Single and Entangled Photons at a Telecom Wavelength
    Pengfei Wang, Soyoung Baek, Masahiro Yabuno, Shigehito Miki, Hirotaka Terai and Fumihiro Kaneda
    Advanced Quantum Technologies, e00355 (2025)
    DOI: 10.1002/qute.202500355

13. Creation of Single Tin-Vacancy Color Centers in Small Nanodiamonds
    Hideaki Takashima, Konosuke Shimazaki, Hiroshi Abe, Takeshi Ohshima and Shigeki Takeuchi
    ACS Photonics, 12, 4950-4955 (2025)
    DOI: 10.1021/acsphotonics.5c00627

14. Ultra-broadband photon pair generation on CMOS-compatible chip
    Yushi Hamayama, Kenta Sugiura, Hirofumi Gotoh, Dan Nakamura, Xiaotian Zhu, Sai Tak Chu, Brent E. Little, Ryo Okamoto and Shigeki Takeuchi
    APL Photonics, 10, 076101 (2025)
    DOI: 10.1063/5.0253731

FY 2024

1. A Gigahertz configurable silicon photonic integrated circuit nonlinear interferometer
   Jonathan Frazer, Takafumi Ono and Jonathan C F Matthews
   Quantum Science and Technology, 10, 025033 (2025)
   DOI: 10.1088/2058-9565/adb176

2. Quantum infrared attenuated total reflection spectroscopy
   Torataro Kurita, Yu Mukai, Ryo Okamoto, Masaya Arahata, Toshiyuki Tashima, Hiroshi Ota, Katsuhiko Tokuda and Shigeki Takeuchi
   Physical Review Applied, 23, 014061 (2025)
   DOI: 10.1103/PhysRevApplied.23.014061