Laser modes in organic solid-state distributed feedback lasers

被引:0
|
作者
S. Riechel
U. Lemmer
J. Feldmann
T. Benstem
W. Kowalsky
U. Scherf
A. Gombert
V. Wittwer
机构
[1] Lehrstuhl für Photonik und Optoelektronik,
[2] Sektion Physik und CeNS,undefined
[3] Ludwig-Maximilians-Universität,undefined
[4] Amalienstr. 54,undefined
[5] 80799 München,undefined
[6] Germany,undefined
[7] Institut für Hochfrequenztechnik der TU Braunschweig,undefined
[8] Schleinitzstr. 23 A,undefined
[9] 38106 Braunschweig,undefined
[10] Germany,undefined
[11] Max-Planck-Institut für Polymerforschung,undefined
[12] Ackermannweg 10,undefined
[13] 55128 Mainz,undefined
[14] Germany,undefined
[15] Fraunhofer Institut für Solare Energiesysteme,undefined
[16] Oltmannstr. 5,undefined
[17] 79100 Freiburg,undefined
[18] Germany,undefined
来源
Applied Physics B | 2000年 / 71卷
关键词
PACS: 42.60.DA; 42.60.JF; 42.70.JK;
D O I
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学科分类号
摘要
We report on the laser modes in optically pumped solid-state lasers using an electroluminescent organic semiconductor as the active medium. Mechanically flexible distributed-feedback lasers are fabricated by depositing a thin film of an active material onto a nano-patterned polyester substrate either via spin-coating of a soluble ladder-type poly(p-phenylene) or via vacuum co-sublimation of small organic molecules. The different surface texture resulting from the fabrication process causes different feedback mechanisms. In both lasers higher lateral modes give rise to a broadening of the laser spectra at higher pumping levels.
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页码:897 / 900
页数:3
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