Ryoko Sakuma

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Basic Research Laboratories, NTT, Inc./物性科学基礎研究所、NTT株式会社
Advanced Applied Physical Science Laboratories/フロンティア機能物性研究部
Nanomechanics Researh Group/ナノメカニクス研究グループ

Profile

  • 2023 – Present: Scientist, NTT Basic Research Laboratories
  • 2020 – 2023: Ph.D.(Engineering), Department of Precision Engineering, School of Engineering, The University of Tokyo
  • 2018 – 2020: M.S., Department of Precision Engineering, School of Engineering, The University of Tokyo
  • 2014 – 2018: B.S., Department of Precision Engineering, School of Engineering, The University of Tokyo

Activities

  • 2020 – 2023: 独立行政法人日本特別振興会特別研究員DC1

Research Topics

  • Cavity optomechanics
  • Vibrational polaritons
  • Mid-infrared photonics
  • Hybrid photonic systems
  • Near-field systems

Publications

  1. Ryoko Sakuma, Koji Sakai, Hajime Okamoto, Motoki Asano, Hiroshi Yamaguchi, “Optomechanical parametric control of mid-infrared photons via molecular vibrational polariton,” arXiv:2606.16366v1 (2026). [DOI]
  2. Yusuke Kajihara, Ryoko Sakuma, Yoshiki Nagai, Kuan-Ting Lin, “Local heat transfer detection via passive dual probe near-field microscopy,” CIRP Annals, 74(1), 707-711 (2025). [DOI]
  3. Ryoko Sakuma, Motoki Asano, Hiroshi Yamaguchi, Hajime Okamoto, “Near-field optomechanical transduction enhanced by Raman gain,” Optics Express, 32(13), 22590-22601 (2024). [DOI]
  4. Ryoko Sakuma, Kuan-Ting Lin, Yusuke Kajihara, “Thermal near-field scattering characteristics for dielectric materials,” Scientific Reports, 13, 17595 (2023). [DOI]
  5. Ryoko Sakuma, Yoshiki Nagai, Hitomi Nakajima, Kuan-Ting Lin, Yusuke Kajihara, “Passive dual-probe near-field microscopy,” Review of Scientific Instruments, 93(11), 113708 (2022). [DOI]
  6. Ryoko Sakuma, Kuan-Ting Lin, Sunmi Kim, Fuminobu Kimura, Yusuke Kajihara, “Passive near-field imaging via grating-based spectroscopy,” Review of Scientific Instruments, 93(1), 013704 (2022). [DOI]
  7. Ryoko Sakuma, Kuan-Ting Lin, Sunmi Kim, Fuminobu Kimura, Yusuke Kajihara, “Implementation and Evaluation of a Spectroscopic System for Passive Near-Field Microscopy,” IEEE Photonics Technology Letters, 31(15), 1261-1264 (2019). [DOI]

Articles

  1. 佐久間 涼子, 浅野 元紀, “微小共振器を用いた近接場オプトメカニクス,” 光技術コンタクト, 63(11), (2025).

Presentations (international)

Presentations (domestic)

Awards

Seminars