The Kato Group
We exploit state-of-the-art nanofabrication technologies to develop and engineer photonic and optoelectronic devices that utilize quantum effects, with focus on devices incorporating individual single-walled carbon nanotubes and atomically-thin layered materials.
Recent Publications
- Preprints are available at arxiv.org/a/kato_y_1.
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Intrinsic process for upconversion photoluminescence via K-momentum-phonon coupling in carbon nanotubes
Phys. Rev. B
110, 155418 (2024).
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Self-Aligned Hybrid Nanocavities Using Atomically Thin Materials
ACS Photonics
11, 2247 (2024).
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Room-temperature quantum emission from interface excitons in mixed-dimensional heterostructures
Nature Commun.
15, 2871 (2024).
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van der Waals decoration of ultra-high-Q silica microcavities for χ(2)-χ(3) hybrid nonlinear photonics
Nano Lett.
24, 4209 (2024).
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Resonant exciton transfer in mixed-dimensional heterostructures for overcoming dimensional restrictions in optical processes
Nature Commun.
14, 8152 (2023).
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Quantization of mode shifts in nanocavities integrated with atomically thin sheets
Adv. Opt. Mater.
10, 2200538 (2022).
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Formation of organic color centers in air-suspended carbon nanotubes using vapor-phase reaction
Nature Commun.
13, 2814 (2022).
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Evidence for near-unity radiative quantum efficiency of bright excitons in carbon nanotubes from the Purcell effect
Phys. Rev. Research
4, L022011 (2022).