scholarly journals Large inherent optical gain from the direct gap transition of Ge thin films

2013 ◽  
Vol 102 (13) ◽  
pp. 131116 ◽  
Author(s):  
Xiaoxin Wang ◽  
Lionel C. Kimerling ◽  
Jurgen Michel ◽  
Jifeng Liu
Keyword(s):  
Thin Films ◽  
Optical Gain

Intrinsic optical gain in thin films of a conjugated polymer under picosecond excitation

2013 ◽  
Vol 103 (3) ◽  
pp. 033303 ◽  
Author(s):  
Zach E. Lampert ◽  
Simon E. Lappi ◽  
John M. Papanikolas ◽  
C. Lewis Reynolds
Keyword(s):  
Thin Films ◽  
Conjugated Polymer ◽  
Optical Gain ◽  
Picosecond Excitation

Optical gain in fluorenyl-thiophene co-oligomer thin films

2006 ◽  
Vol 28 (8-9) ◽  
pp. 1072-1075 ◽  
Author(s):  
S. Lattante ◽  
M. Anni ◽  
M. Salerno ◽  
L. Lagonigro ◽  
R. Cingolani ◽  
...  
Keyword(s):  
Thin Films ◽  
Optical Gain

Optical gain in self-assembled ZnO microcrysallite thin films

2003 ◽  
Vol 259 (3) ◽  
pp. 286-290 ◽  
Author(s):  
X.Q. Zhang ◽  
Z.K. Tang ◽  
M. Kawasaki ◽  
A. Ohtomo ◽  
H. Koinuma
Keyword(s):  
Thin Films ◽  
Optical Gain ◽  
Self Assembled

Optical gain in Coumarin 545T-doped Tris(8-hydroxy-chinolinato)aluminium thin films

2007 ◽  
Author(s):  
T. Rabe ◽  
P. Görrn ◽  
T. Riedl ◽  
W. Kowalsky
Keyword(s):  
Thin Films ◽  
Optical Gain

BANDGAP RENORMALIZATION DUE TO HIGH-DENSITY CARRIERS IN ZnO EPITAXIAL THIN FILMS

2001 ◽  
Vol 15 (28n30) ◽  
pp. 3737-3740 ◽  
Author(s):  
AISHI YAMAMOTO ◽  
TAKEO KIDO ◽  
TAKENARI GOTO ◽  
YEFAN CHEN ◽  
TAKAFUMI YAO
Keyword(s):  
Experimental Data ◽  
Thin Films ◽  
Correlation Energy ◽  
Optical Gain ◽  
High Density ◽  
Gain Spectrum ◽  
Experimental Results ◽  
Bandgap Energy ◽  
Epitaxial Thin Films

Renormalized bandgap energy due to high-density carriers in ZnO is calculated and compared with our experimental results. Two different reported treatments for the correlation energy are employed for the calculation, and we prove that Beni and Rice's model sufficiently explains the experimental data. Furthermore, we calculate optical gain spectrum, which reproduces well the experimental data.

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