Investigation of optical gain in Eu-doped GaN thin film grown by OMVPE method

by Ngo Ngoc Ha, Atsushi Nishikawa, Yasufumi Fujiwara, Tom Gregorkiewicz
Published 2016-06-01

Substantial enhancement of red emission intensity by embedding Eu-doped GaN into a microcavity

by Tomohiro Inaba, Dong-gun Lee, Ryuta Wakamatsu, Takanori Kojima, Brandon Mitchell, Antonio Capretti, Tom Gregorkiewicz, Atsushi Koizumi, Yasufumi Fujiwara
Published 2016-04-01

Efficient carrier multiplication in CsPbI3 perovskite nanocrystals

by Chris de Weerd, Leyre Gomez, Antonio Capretti, Delphine M. Lebrun, Eiichi Matsubara, Junhao Lin, Masaaki Ashida, Frank C. M. Spoor, Laurens D. A. Siebbeles, Arjan J. Houtepen, Kazutomo Suenaga, Yasufumi Fujiwara, Tom Gregorkiewicz
Published 2018-10-01