Premium
Frequency Upconversion of 800 nm Ultrashort Pulses by Two‐Photon Absorption in a Stilbenoid Compound‐Doped Polymer Optical Fiber
Author(s) -
Jordan G.,
Kobayashi T.,
Blau W.J.,
Pfeiffer S.,
Hörhold H.H.
Publication year - 2003
Publication title -
advanced functional materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.069
H-Index - 322
eISSN - 1616-3028
pISSN - 1616-301X
DOI - 10.1002/adfm.200304351
Subject(s) - materials science , photon upconversion , femtosecond , absorption (acoustics) , optoelectronics , dopant , fiber , optical fiber , polymer , doping , optics , laser , absorption cross section , cross section (physics) , composite material , physics , quantum mechanics
We present the results of a study of frequency upconversion of femtosecond optical pulses in a step‐index polymer optical fiber that uses a stilbenoid compound as an active dopant. Intense blue emission is observed in the doped poly(methyl methacrylate) (PMMA) fiber when it is longitudinally pumped at 800 nm by 175 fs optical pulses. By means of the intensity‐dependent transmission method, the two‐photon absorption cross‐section is deduced. Our study illustrates that the combination of a well‐designed organic chromophore incorporated into a fiber geometry is appealing for the development of an upconversion blue polymer laser.