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Abstract
The aluminum to alkaline earth ratio (Al:[AE]) in borosilicate glass is introduced as a novel compositional parameter to produce high index waveguides through femtosecond laser inscription. Alkaline earths are considered to be major refractive index providers for laser written optical waveguides due to their collective migration toward the guiding region. Contrary to the existing belief that increasing the concentration of such index providers within a glass composition will help to produce high index change waveguides, we demonstrate that high index waveguides can be fabricated by tuning the Al:[AE] ratio while keeping the absolute concentration of the index provider to a minimum.
Original language | English |
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Article number | 121109 |
Pages (from-to) | 121109-1-121109-5 |
Number of pages | 5 |
Journal | APL Materials |
Volume | 9 |
Issue number | 12 |
DOIs | |
Publication status | Published - Dec 2021 |
Bibliographical note
Copyright the Author(s) 2021. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.Fingerprint
Dive into the research topics of 'High performing designer glass platform to host versatile photonic devices'. Together they form a unique fingerprint.-
Routing shapes of light for the next generation of fibre optic networks
1/05/21 → 30/04/25
Project: Research
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