Erbium-doped glass nanoparticle embedded polymer thin films using femtosecond pulsed laser deposition

Eric Kumi Barimah, Marcin W. Ziarko, Nikolaos Bamiedakis, Ian H. White, Richard V. Penty, Gin Jose

Research output: Contribution to journalArticle

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Abstract

Polymer materials doped with rare-earth ions are promising candidates for the formation of low-cost integrated optical amplifiers. However, there are significant technical challenges associated with the integration of these dissimilar materials and the formation of high-quality Er-doped polymer films. In this paper, therefore, we present for the first time the fabrication of polymer thin layers modified with erbium-doped sodium zinc tellurite (Er- TZN) glass nanoparticles (NPs) using femtosecond (fs) pulsed laser deposition (PLD) and the characterisation of their basic properties. The surface morphology and the compositional and structural characteristics of the samples produced with this method are evaluated using scanning and transmission electron microscopy (SEM and TEM) and X-ray diffraction (XRD), while photoluminescence (PL) measurements are carried out at room temperature under a 980 nm laser diode excitation. The studies indicate that the Er-doped TZN NPs are successfully integrated in the polymer layers. The obtained average NP size is measured to be in the range of 12 to 21 nm depending on the fabrication parameters, while broad PL emission at 1534 nm that corresponds to the 4I13/24I15/2 transition of Er3+ is observed from the samples. The full-width at half-maximum (FWHM) of the PL spectra is found to be ~39 nm while the fluorescence lifetime is measured to be in the range of 3.52 to 4.18 ms. The obtained results clearly demonstrate the potential to efficiently dope polymer layers with glass NPs using fs-PLD and is a first step towards the successful formation of hybrid polymer-glass waveguide amplifiers.

Original languageEnglish
Pages (from-to)1997-2007
Number of pages11
JournalOptical Materials Express
Volume8
Issue number7
DOIs
Publication statusPublished - 1 Jul 2018

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

Cite this

Erbium-doped glass nanoparticle embedded polymer thin films using femtosecond pulsed laser deposition. / Barimah, Eric Kumi; Ziarko, Marcin W.; Bamiedakis, Nikolaos; White, Ian H.; Penty, Richard V.; Jose, Gin.

In: Optical Materials Express, Vol. 8, No. 7, 01.07.2018, p. 1997-2007.

Research output: Contribution to journalArticle

Barimah, Eric Kumi ; Ziarko, Marcin W. ; Bamiedakis, Nikolaos ; White, Ian H. ; Penty, Richard V. ; Jose, Gin. / Erbium-doped glass nanoparticle embedded polymer thin films using femtosecond pulsed laser deposition. In: Optical Materials Express. 2018 ; Vol. 8, No. 7. pp. 1997-2007.
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