Journal Articles (refereed)

*: Equally contributed author

1. Hybrid silicon all-optical switching devices integrated with two-dimensional material
   D. Yamashita, N. Fang, S. Fujii, and Y. K. Kato
   arXiv:2403.18199 (2024).
   https://doi.org/10.48550/arXiv.2403.18199 

2. Self-Aligned Hybrid Nanocavities Using Atomically Thin Materials
   C. F. Fong, D. Yamashita, N. Fang, S. Fujii, Y.-R. Chang, T. Taniguchi, K. Watanabe, and Y. K. Kato
   ACS Photonics 11, 2247–2254 (2024).
   https://doi.org/10.1021/acsphotonics.3c01927 

3. Room-temperature quantum emission from interface excitons in mixed-dimensional heterostructures
   N. Fang, Y. R. Chang, S. Fujii, D. Yamashita, M. Maruyama, Y. Gao, C. F. Fong, D. Kozawa, K. Otsuka, K. Nagashio, S. Okada, and Y. K. Kato
   Nat. Commun. 15, 2871 (2024).
   https://doi.org/10.1038/s41467-024-47099-6 

4. van der Waals Decoration of Ultra-High‑Q Silica Microcavities for χ(2)–χ(3) Hybrid Nonlinear Photonics
   S. Fujii, N. Fang, D. Yamashita, D. Kozawa, C. F. Fong, and Y. K. Kato
   Nano Lett. 24, 4209–4216 (2024).
   https://doi.org/10.1021/acs.nanolett.4c00273 

5. Resonant exciton transfer in mixed-dimensional heterostructures for overcoming dimensional restrictions in optical processes
   N. Fang, Y. R. Chang, D. Yamashita, S. Fujii, M. Maruyama, Y. Gao, C. F. Fong, K. Otsuka, K. Nagashio, S. Okada, and Y. K. Kato
   Nat. Commun. 14, 8152 (2023).
   https://doi.org/10.1038/s41467-023-43928-2 

6. ortho-Substituted Aryldiazonium Design for the Defect Configuration-Controlled Photoluminescent Functionalization of Chiral Single-Walled Carbon Nanotubes
   B. Yu, S. Naka, H. Aoki, K. Kato, D. Yamashita, S. Fujii, Y. K. Kato, T. Fujigaya, and T. Shiraki
   ACS Nano, (2022)
   https://doi.org/10.1021/acsnano.2c09897 

7. Quantization of mode shifts in nanocavities integrated with atomically thin sheets
   N. Fang*, D. Yamashita*, S. Fujii, K. Otsuka, T. Taniguchi, K. Watanabe, K. Nagashio, Y. K. Kato
   Adv. Opt. Mater. 10, 2200538 (2022).
   https://doi.org/10.1002/adom.202200538 

8. Evidence for near-unity radiative quantum efficiency of bright excitons in carbon nanotubes from the Purcell effect
   H. Machiya, D. Yamashita, A. Ishii, and Y. K. Kato
   Phys. Rev. Res. 4, L022011 (2022).
   https://doi.org/10.1103/physrevresearch.4.l022011 

9. Waveguide coupled cavity-enhanced light emission from individual carbon nanotubes
   D. Yamashita, H. Machiya, K. Otsuka, A. Ishii, and Y. K. Kato
   APL Photonics 6, 031302 (2021).
   https://doi.org/10.1063/5.0042635 

10. Deterministic transfer of optical-quality carbon nanotubes for atomically defined technology
    K. Otsuka, N. Fang, D. Yamashita, T. Taniguchi, K. Watanabe, and Y. K. Kato
    Nat. Commun. 12, 3138 (2021).
    https://doi.org/10.1038/s41467-021-23413-4 

11. Quantum Emission Assisted by Energy Landscape Modification in Pentacene-Decorated Carbon Nanotubes
    Z. Li, K. Otsuka, D. Yamashita, D. Kozawa, and Y. K. Kato
    ACS Photonics 8, 2367-2374 (2021).
    https://doi.org/10.1021/acsphotonics.1c00539 

12. Detection of negatively ionized air by using a Raman silicon nanocavity laser
    S. Yasuda, Y. Takahashi, T. Asano, K. Kikunaga, D. Yamashita, S. Noda, and Y. Takahashi
    Optics Express 29, 16228-16240 (2021).
    https://doi.org/10.1364/OE.423475 

13. Detrimental Fluctuation of Frequency Spacing Between the Two High-Quality Resonant Modes in a Raman Silicon Nanocavity Laser
    J. Kurihara, D. Yamashita, N. Tanaka, T. Asano, S. Noda, and Y. Takahashi
    IEEE J. Sel. Top. Quantum Electron. 26, 1-12 (2019).
    https://doi.org/10.1109/JSTQE.2019.2925718 

14. Strongly asymmetric wavelength dependence of optical gain in nanocavity-based Raman silicon lasers
    D. Yamashita, T. Asano, S. Noda and Y. Takahashi
    Optica 5, 1256-1263 (2018).
    https://doi.org/10.1364/OPTICA.5.001256 

15. Lasing dynamics of optically-pumped ultralow-threshold Raman silicon nanocavity lasers
    D. Yamashita, Y. Takahashi, J. Kurihara, T. Asano and S. Noda
    Phys. Rev. Applied 10, 024039 (2018).
    https://doi.org/10.1103/PhysRevApplied.10.024039 

16. Charge Injection at the Heterointerface in Perovskite CH3NH3PbI3 Solar Cells Studied by Simultaneous Microscopic Photoluminescence and Photocurrent Imaging Spectroscopy
    D. Yamashita*, T. Handa*, T. Ihara, H. Tahara, Ai Shimazaki, A. Wakamiya, and Y. Kanemitsu
    J. Phys. Chem. Lett. 7, 3186-3191 (2016).
    https://doi.org/10.1021/acs.jpclett.6b01231 

17. Raman shift and strain effect in high-Q photonic crystal silicon nanocavity
    D. Yamashita, Y. Takahashi, T. Asano and S. Noda
    Optics Express 23, 3951-3959 (2015).
    https://doi.org/10.1364/OE.23.003951 

18. Ultra-compact 32-channel drop filter with 100 GHz spacing
    Y. Takahashi, T. Asano, D. Yamashita and S. Noda
    Optics Express 22, 4692-4698 (2014).
    https://doi.org/10.1364/OE.22.004692