TITLE

Amplified spontaneous emission and distributed feedback lasing from a conjugated compound in various polymer matrices

AUTHOR(S)
Tsutsumi, Naoto; Kawahira, Tetsuya; Sakai, Wataru
PUB. DATE
September 2003
SOURCE
Applied Physics Letters;9/29/2003, Vol. 83 Issue 13, p2533
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
This letter presents amplified spontaneous emission (ASE) and distributed feedback (DFB) lasing of the conjugated compound, 1,4-bis[2-[4-[N,N-di(p-tolyl)amino]phenyl] vinyl]benzene, in various polymer matrices of poly(methylmethacrylate), poly(styrene) (PS), poly(vinyl butyral), poly(N-vinyl carbazole), and poly(methyl phenylsilane). Effective and large ASE intensity, lowest threshold, and maximum optical gain were measured in the PS matrix. Sharp DFB lasing with full width at half-maximum=0.6 nm was measured at 490 nm. The lasing wavelength of 490 nm was fitted well by the theoretically calculated value of 491 nm. © 2003 American Institute of Physics.
ACCESSION #
10894478

 

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