Title :
Pumping intensity dependent photoluminescence angular distribution from an opal photonic crystal composed of monodisperse Eu3+/SiO2 core/shell nanospheres
Author :
Tuyen, Le Dac ; Lin, Jian Hung ; Wu, Cheng-Yi ; Tai, Po-Tse ; Tang, Jau ; Minh, Le Quoc ; Kan, Hung-Chih ; Hsu, Chia Chen
Author_Institution :
Dept. of Phys., Nat. Chung Cheng Univ., Chiayi, Taiwan
Abstract :
Angular resolved photoluminescence distributions of an opal photonic crystal composed of monodisperse Eu3+/SiO2 core/shell nanospheres are studied with different pumping intensities. Amplified spontaneous is observed at photonic band edges at high power excitation.
Keywords :
europium; nanoparticles; optical pumping; photoluminescence; photonic crystals; silicon compounds; superradiance; Eu3+-SiO2; amplified spontaneous; monodisperse core-shell nanospheres; opal photonic crystal; photoluminescence angular distribution; photonic band edges; pumping intensity; Ions; Laser excitation; Light emitting diodes; Photonic crystals; Photonics; Powders; Pump lasers; Laser materials; Photonic crystal; Resonance;
Conference_Titel :
Optical MEMS and Nanophotonics (OMN), 2012 International Conference on
Conference_Location :
Banff, AB
Print_ISBN :
978-1-4577-1511-2
DOI :
10.1109/OMEMS.2012.6318848