Blue polymer optical fiber amplifiers based on conjugated fluorene oligomers

被引：38

作者：

Clark, Jenny ^{[1
,2
]}

Bazzana, Luca ^{[3
]}

Bradley, Donal D. C. ^{[4
]}

Cabanillas-Gonzalez, Juan ^{[1
,2
]}

Lanzani, Guglielmo ^{[1
,2
]}

Lidzey, David G. ^{[5
]}

Morgado, Jorge ^{[6
]}

Nocivelli, Alessandro ^{[3
]}

Tsoi, Wing C. ^{[5
]}

Virgili, Tersilla ^{[1
,2
]}

Xia, Ruidong ^{[4
]}

机构：

[1] Politecn Milan, I-20133 Milan, Italy

[2] CNR, INF, Dipartimento Fis, I-20133 Milan, Italy

[3] LUCEAT Spa, Dello, BS, Italy

[4] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, London SW7 2BW, England

[5] Univ Sheffield, Sheffield S3 7RH, S Yorkshire, England

[6] Inst Super Tecn, Dept Engn Quim, P-1049001 Lisbon, Portugal

来源：

JOURNAL OF NANOPHOTONICS | 2008年 / 2卷 / 01期

关键词：

polymer optical fiber; amplifier; oligofluorene;

D O I：

10.1117/1.2902341

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We fabricated polymer optical fiber (POF) amplifiers operating between 440 and 480 nm, using POFs doped with a series of fluorene oligomers, including tri-, penta-(9,9-dioctylfluorene) and hepta-(9,9-dihexylfluorene). The gain properties of pure oligofluorene films demonstrate gain coefficients on the order of 250 dB/cm and amplified spontaneous emission thresholds between 1 and 8 mu J cm(-2), significantly lower than other fluorene gain media. The optical and morphological characteristics of PMMA thin films doped with the oligomers demonstrate that the oligomers are largely isolated within the PMMA. The optical and gain properties of POFs produced using an adapted preform-drawing technique and doped with the oligofluorenes provide gain values on the order of 0.07 dB for 2 mm of doped POF. The oligofluorenes are largely isolated within the POFs, paving the way for all optical gain-switching.

引用

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