Title :
Tunable random laser action in a π-conjugated polymer-based photonic glass gain medium
Author :
Chen, Y. ; Herrnsdorf, J. ; Guilhabert, B. ; Zhang, Y. ; Kanibolotsky, A.L. ; Skabara, P.J. ; Gu, E. ; Laurand, N. ; Dawson, M.D.
Author_Institution :
Inst. of Photonics, Univ. of Strathclyde, Glasgow, UK
Abstract :
Tunable random laser emission over a 7-nm waveband is demonstrated using a green-emitting π-conjugated polymer infiltrated into a photonic glass formed by micron- and submicron-size monodisperse silica spheres. Corresponding scattering cross-section, scattering length and transport mean free paths are calculated using the Mie scattering theory and, along with experimental results, indicate that this system operates in the condition of weak scattering.
Keywords :
Mie scattering; conducting polymers; laser tuning; optical glass; optical polymers; photonic band gap; silicon compounds; solid lasers; transport processes; Mie scattering theory; SiO2; green emitting π-conjugated polymer; monodisperse silica sphere; photonic glass gain media; scattering cross section; scattering length; transport mean free path; tunable random laser; Glass; Laser excitation; Laser theory; Photonics; Scattering; Silicon compounds; Photonic Glass; Random Laser;
Conference_Titel :
Nanotechnology (IEEE-NANO), 2011 11th IEEE Conference on
Conference_Location :
Portland, OR
Print_ISBN :
978-1-4577-1514-3
Electronic_ISBN :
1944-9399
DOI :
10.1109/NANO.2011.6144325
