Author

Takao Oto

Observed names: Oto, Takao, T. Oto

Institution: Yamagata University

Observed institutions: Yamagata University, Kyushu University, Kyoto University, Sophia University

ORCID: 0000-0003-1102-7754

Observed ORCID: 0000-0003-1102-7754

OpenAlex ID: A5036632548

100 mW deep-ultraviolet emission from aluminium-nitride-based quantum wells pumped by an electron beam

2010 · Takao Oto, Ryan G. Banal, et al. · Nature Photonics · 199

Two-dimensional multicolor (RGBY) integrated nanocolumn micro-LEDs as a fundamental technology of micro-LED display

2019 · Katsumi Kishino, Naoki Sakakibara, et al. · Applied Physics Express · 83

High-Optical-Power InGaN Superluminescent Diodes with “j-shape” Waveguide

2013 · Anna Kafar, Szymon Stanczyk, et al. · Applied Physics Express · 40

Guanidium iodide treatment of size-controlled CsPbI3 quantum dots for stable crystal phase and highly efficient red LEDs

2023 · Hinako Ebe, Rikuo Suzuki, et al. · Chemical Engineering Journal · 37

Novel selective area growth (SAG) method for regularly arranged AlGaN nanocolumns using nanotemplates

2015 · Koji Yamano, Katsumi Kishino, et al. · Journal of Crystal Growth · 32

Co-existence of a few and sub micron inhomogeneities in Al-rich AlGaN/AlN quantum wells

2015 · Yoshiya Iwata, Takao Oto, et al. · Journal of Applied Physics · 29

Design and optimization of InGaN superluminescent diodes

2015 · Anna Kafar, Szymon Stańczyk, et al. · physica status solidi (a) · 25

Influence of GaN column diameter on structural properties for InGaN nanocolumns grown on top of GaN nanocolumns

2016 · Takao Oto, Yutaro Mizuno, et al. · AIP Advances · 21

GaN nanocolumn arrays with diameter <30 nm prepared by two‐step selective area growth

2015 · T. Kano, J. Yoshida, et al. · Electronics Letters · 20

Carrier-density dependence of photoluminescence from localized states in InGaN/GaN quantum wells in nanocolumns and a thin film

2015 · N. Shimosako, Y. Inose, et al. · Journal of Applied Physics · 20

Optical gain characteristics in Al-rich AlGaN/AlN quantum wells

2014 · Takao Oto, Ryan G. Banal, et al. · Applied Physics Letters · 14

Column diameter dependence of the strain relaxation effect in GaN/AlGaN quantum wells on GaN nanocolumn arrays

2019 · Takao Oto, Yutaro Mizuno, et al. · Applied Physics Express · 12

Enhancement of light emission and internal quantum efficiency in orange and red regions for regularly arrayed InGaN/GaN nanocolumns due to surface plasmon coupling

2017 · Takao Oto, Kazuma Kikuchi, et al. · Applied Physics Letters · 11

Boosting the Stability of FAPbI 3 Perovskite Nanocrystal Near‐Infrared Light‐Emitting Diodes with Aromatic Ligands and Organic Host Dispersion

2025 · Haruka Abe, Mizuho Uwano, et al. · Small · 10

Energy diagram and parameters regarding localized states in InGaN/GaN nanocolumns

2021 · N. Shimosako, K. Kinjo, et al. · Journal of Applied Physics · 8

Effect of structural properties on optical characteristics of InGaN/GaN nanocolumns fabricated by selective-area growth

2017 · Takao Oto, Yutaro Mizuno, et al. · Applied Physics Express · 8

Spatial emission distribution and carrier recombination dynamics in regularly arrayed InGaN/GaN quantum structure nanocolumns

2016 · Takao Oto, Yutaro Mizuno, et al. · Japanese Journal of Applied Physics · 7

Plasmonic red-light-emission enhancement by honeycomb-latticed InGaN/GaN ordered fine nanocolumn arrays

2023 · Takao Oto, Aoto Aihara, et al. · Applied Physics Express · 6

Photonic band characterization in InGaN/GaN nanocolumn arrays with triangular and honeycomb lattices by angle-resolved micro-photoluminescence measurements

2021 · Takao Oto, Masato Okamura, et al. · Japanese Journal of Applied Physics · 6

Time‐resolved photoluminescence of Al‐rich AlGaN/AlN quantum wells under selective excitation

2011 · Yoshiya Iwata, Takao Oto, et al. · Physica status solidi. C, Conferences and critical reviews/Physica status solidi. C, Current topics in solid state physics · 6

Carrier density dependence of localized carrier recombination dynamics in orange-emitting InGaN/GaN nanocolumns

2020 · N. Shimosako, Y. Inose, et al. · Journal of Applied Physics · 5

Independent drive of integrated multicolor (RGBY) micro-LED array using regularly arrayed InGaN based nanocolumns

2017 · Naoki Sakakibara, Kazuki Narita, et al. · Microoptics Conference · 5

Deep ultraviolet emission mechanisms in highly excited Al0.79Ga0.21N/AlN quantum wells

2010 · Takao Oto, Ryan G. Banal, et al. · Physica status solidi. C, Conferences and critical reviews/Physica status solidi. C, Current topics in solid state physics · 5

Highly stable and bright CsPbI3 nanocrystal red emitters based on color-conversion from InGaN-based blue light-emitting diodes

2024 · Daisuke Yokota, Haruka Abe, et al. · Applied Physics Letters · 4

Comparison of surface plasmon polariton characteristics of Ag- and Au-based InGaN/GaN nanocolumn plasmonic crystals

2021 · Takao Oto, Masato Namazuta, et al. · Applied Physics Express · 4

Works count: 84

Citation count: 624

H-index: 12

I10-index: 14