Masafumi Jo

High external quantum efficiency (10%) AlGaN-based deep-ultraviolet light-emitting diodes achieved by using highly reflective photonic crystal on p-AlGaN contact layer

Yukio Kashima, Noritoshi Maeda, Eriko Matsuura et al. · Applied Physics Express · 2017 · 145 citations

White Oled, Photonics, Electrical Engineering +12

Symmetric quantum dots as efficient sources of highly entangled photons

Takashi Kuroda, Takaaki Mano, Neul Ha et al. · arXiv (Cornell University) · 2013 · 130 citations · Full text

13 mW operation of a 295–310 nm AlGaN UV-B LED with a p-AlGaN transparent contact layer for real world applications

M. Ajmal Khan, Noritoshi Maeda, Masafumi Jo et al. · Journal of Materials Chemistry C · 2018 · 108 citations · Full text

Ultraviolet Light, Optical Materials, Engineering +19

Achieving 9.6% efficiency in 304 nm p-AlGaN UVB LED via increasing the holes injection and light reflectance

M. Ajmal Khan, Noritoshi Maeda, Joosun Yun et al. · Scientific Reports · 2022 · 86 citations · Full text

Enhanced light extraction in 260 nm light-emitting diode with a highly transparent p-AlGaN layer

Masafumi Jo, Noritoshi Maeda, Hideki Hirayama · Applied Physics Express · 2015 · 81 citations

White Oled, Electrical Engineering, Enhanced Light Extraction +14