Optimization of upconversion excitation conditions in Er+Yb doped ZBLAN glasses for application in fiber lasers and amplifiers

Krzysztof Paweł Anders , Paweł Komorowski , Urszula Zdulska , Anna Maria Jusza , Ryszard Piramidowicz

Abstract

Erbium ions are widely known because of their excellent luminescent and lasing potential in near infra-red spectral range, at ca. 1.55 um, which perfectly fits with the minimum of attenuation of silica optical fiber. It should be noted, however, that the rich structure of erbium ion’s energy levels and relatively long lifetimes of high lying metastable states offer also remarkable potential in short wavelength spectral range. Such a luminescence (and lasing) can be observed under both single photon and up-converted excitation. Recently observed progress in the field of semiconductor lasers enabled significant broadening of the commercial offer of laser diodes, which might be deployed as a pumping sources for erbium doped systems operating within short wavelength spectral range. In this work we sum up the results of our research on optimal conditions of excitation of visible luminescence in erbium ions doped fluorozirconate glasses. Two types of active media were investigated – singly doped with erbium ions only and doubly doped with erbium and ytterbium. The luminescent properties in the visible spectral range were discussed, with specific focus on UV-violet and green luminescence behavior and corresponding multi-photon and multi-ion excitation/de-excitation mechanisms. The impact of additional dopant on luminescence intensity and lifetime was analyzed with particular attention focused on the possibility of obtaining a lasing in green spectral range under direct and/or up-converted pumping. The classical spectroscopic techniques were complemented by excited state absorption measurements giving a detailed picture of GSA and ESA strengths. In addition, the hydrostatic pressure tuned semiconductor lasers were deployed for detailed analysis of the processes involved and experimental verification of optimal excitation wavelengths. This, in turn, enabled first attempts to lasing experiments. This work has been supported by: the National Science Centre, Poland, grant number: UMO-2011/03/B/ST7/01917 and the National Centre for Research and Development, Poland, agreement number: 1-6/1/PS/2014
Author Krzysztof Paweł Anders (FEIT / MO)
Krzysztof Paweł Anders,,
- The Institute of Microelectronics and Optoelectronics
, Paweł Komorowski (FEIT / MO)
Paweł Komorowski,,
- The Institute of Microelectronics and Optoelectronics
, Urszula Zdulska
Urszula Zdulska,,
-
, Anna Maria Jusza (FEIT / MO)
Anna Maria Jusza,,
- The Institute of Microelectronics and Optoelectronics
, Ryszard Piramidowicz (FEIT / MO)
Ryszard Piramidowicz,,
- The Institute of Microelectronics and Optoelectronics
Pages1-1
Publication size in sheets0.3
Book SPIE Photonics Europe 2018 TECHNICAL PROGRAMME, 2018, SPIE, 176 p.
projectThe conditions of short-wavelength emission excitation in optically active low-phonon glasses and composite materials pumped with pressure-tuned laser diodes. Project leader: Piramidowicz Ryszard, , Phone: (48 22) 625 73 95; (48 22) 234 78 88, application date 22-12-2011, start date 30-08-2012, planned end date 28-02-2015, end date 29-08-2016, IMiO/2011/NCN/4, Completed
WEiTI Projects financed by NSC [Projekty finansowane przez NCN]
x. Project leader: Piramidowicz Ryszard, , Phone: (48 22) 625 73 95; (48 22) 234 78 88, start date 03-08-2015, planned end date 30-06-2018, IMiO/2015/DOB/1, Implemented
WEiTI Projects financed by NCRD [Projekty finansowane przez NCBiR (NCBR)]
Languageen angielski
Score (nominal)15
ScoreMinisterial score = 15.0, 18-11-2018, BookChapterMatConf
Ministerial score (2013-2016) = 15.0, 18-11-2018, BookChapterMatConf
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Paper10683-119
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