Amplified spontaneous emission and lasing properties of bisfluorene-cored dendrimers

Ribierre, J. C., Tsiminis, G., Richardson, S., Turnbull, G. A., Samuel, I. D. W., Barcena, H. and Burn, P. (2007) Amplified spontaneous emission and lasing properties of bisfluorene-cored dendrimers. Applied Physics Letters, 91 8: 081108-1-081108-3.


Author Ribierre, J. C.
Tsiminis, G.
Richardson, S.
Turnbull, G. A.
Samuel, I. D. W.
Barcena, H.
Burn, P.
Title Amplified spontaneous emission and lasing properties of bisfluorene-cored dendrimers
Journal name Applied Physics Letters  (ERA 2012 Listed)    (ERA 2010 Rank A*)   Check publisher's open access policy
Publication date 2007-08-21
Sub-type Article
Year available 2007
DOI 10.1063/1.2761833
Volume number 91
Issue number 8
ISSN 0003-6951
Start page 081108-1
End page 081108-3
Total pages 3
Place of publication United States
Publisher American Institute of Physics
Collection year 2008
Language eng
Subject 240402 Quantum Optics and Lasers
C1
780102 Physical sciences
Abstract A study of the amplified spontaneous emission (ASE) properties of three bisfluorene-cored dendrimers in the solid state is reported. The results show that the dendron type has a strong impact on the photoluminescence quantum yield and affects the ASE threshold, the optical gain, and loss coefficients. Optically pumped distributed feedback lasers operating in the blue spectral region were fabricated by spin coating the dendrimer films on top of a two-dimensional corrugated fused silica substrate. A best lasing threshold of 4.5 mu J/cm(2) and a slope efficiency of 8.3% were obtained, which demonstrate the high potential of these materials for laser applications. (c) 2007 American Institute of Physics.
Keyword Physics, Applied
Laser-emission
Organic Semiconductor
Distributed-feedback
Conjugated Polymers
Polyfluorene Lasers
Wave-guides
Gain Media
Amplification
Q-Index Code C1
Q-Index Status Confirmed Code

 
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Created: Tue, 18 Mar 2008, 16:12:42 EST by Darryl Greensill on behalf of School of Chemistry & Molecular Biosciences