Sol–Gel-Derived Glass-Ceramic Photorefractive Films for Photonic Structures

Lukowiak, Anna; Zur, Lidia; Tran, Thi; Meneghetti, Marcello; Berneschi, Simone; Conti, Gualtiero Nunzi; Pelli, Stefano; Trono, Cosimo; Bhaktha, B.N.; Zonta, Daniele; Taccheo, Stefano; Righini, Giancarlo; Ferrari, Maurizio

doi:10.3390/cryst7020061

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Sol–Gel-Derived Glass-Ceramic Photorefractive Films for Photonic Structures

Anna Lukowiak, Lidia Zur, Thi Tran, Marcello Meneghetti, Simone Berneschi, Gualtiero Nunzi Conti, Stefano Pelli, Cosimo Trono, B.N. Bhaktha, Daniele Zonta, Stefano Taccheo

, Giancarlo Righini, Maurizio Ferrari

Crystals, Volume: 7, Issue: 2, Start page: 61

Swansea University Author: Stefano Taccheo

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DOI (Published version): 10.3390/cryst7020061

Abstract

Glass photonics are widespread, from everyday objects around us to high-tech specialized devices. Among different technologies, sol–gel synthesis allows for nanoscale materials engineering by exploiting its unique structures, such as transparent glass-ceramics, to tailor optical and electromagnetic...

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Published in:	Crystals
ISSN:	2073-4352
Published:	2017
Online Access:	Check full text
URI:	https://cronfa.swan.ac.uk/Record/cronfa32358
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first_indexed	2017-03-09T14:00:41Z
last_indexed	2018-02-09T05:20:12Z
id	cronfa32358
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spelling	2017-07-07T11:24:11.8627498 v2 32358 2017-03-09 Sol–Gel-Derived Glass-Ceramic Photorefractive Films for Photonic Structures ab5f951bdf448ec045d42a35d95dc0bf 0000-0003-0578-0563 Stefano Taccheo Stefano Taccheo true false 2017-03-09 MECH Glass photonics are widespread, from everyday objects around us to high-tech specialized devices. Among different technologies, sol–gel synthesis allows for nanoscale materials engineering by exploiting its unique structures, such as transparent glass-ceramics, to tailor optical and electromagnetic properties and to boost photon-management yield. Here, we briefly discuss the state of the technology and show that the choice of the sol–gel as a synthesis method brings the advantage of process versatility regarding materials composition and ease of implementation. In this context, we present tin-dioxide–silica (SnO2–SiO2) glass-ceramic waveguides activated by europium ions (Eu3+). The focus is on the photorefractive properties of this system because its photoluminescence properties have already been discussed in the papers presented in the bibliography. The main findings include the high photosensitivity of sol–gel 25SnO2:75SiO2 glass-ceramic waveguides; the ultraviolet (UV)-induced refractive index change (Δn ~ −1.6 × 10−3), the easy fabrication process, and the low propagation losses (0.5 ± 0.2 dB/cm), that make this glass-ceramic an interesting photonic material for smart optical applications. Journal Article Crystals 7 2 61 2073-4352 sol–gel; SnO2–SiO2; transparent glass-ceramics; photorefractivity; planar waveguides; attenuation coefficient; Lorentz–Lorenz formula 21 2 2017 2017-02-21 10.3390/cryst7020061 COLLEGE NANME Mechanical Engineering COLLEGE CODE MECH Swansea University 2017-07-07T11:24:11.8627498 2017-03-09T12:13:07.0274484 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering Anna Lukowiak 1 Lidia Zur 2 Thi Tran 3 Marcello Meneghetti 4 Simone Berneschi 5 Gualtiero Nunzi Conti 6 Stefano Pelli 7 Cosimo Trono 8 B.N. Bhaktha 9 Daniele Zonta 10 Stefano Taccheo 0000-0003-0578-0563 11 Giancarlo Righini 12 Maurizio Ferrari 13
title	Sol–Gel-Derived Glass-Ceramic Photorefractive Films for Photonic Structures
spellingShingle	Sol–Gel-Derived Glass-Ceramic Photorefractive Films for Photonic Structures Stefano Taccheo
title_short	Sol–Gel-Derived Glass-Ceramic Photorefractive Films for Photonic Structures
title_full	Sol–Gel-Derived Glass-Ceramic Photorefractive Films for Photonic Structures
title_fullStr	Sol–Gel-Derived Glass-Ceramic Photorefractive Films for Photonic Structures
title_full_unstemmed	Sol–Gel-Derived Glass-Ceramic Photorefractive Films for Photonic Structures
title_sort	Sol–Gel-Derived Glass-Ceramic Photorefractive Films for Photonic Structures
author_id_str_mv	ab5f951bdf448ec045d42a35d95dc0bf
author_id_fullname_str_mv	ab5f951bdf448ec045d42a35d95dc0bf_***_Stefano Taccheo
author	Stefano Taccheo
author2	Anna Lukowiak Lidia Zur Thi Tran Marcello Meneghetti Simone Berneschi Gualtiero Nunzi Conti Stefano Pelli Cosimo Trono B.N. Bhaktha Daniele Zonta Stefano Taccheo Giancarlo Righini Maurizio Ferrari
format	Journal article
container_title	Crystals
container_volume	7
container_issue	2
container_start_page	61
publishDate	2017
institution	Swansea University
issn	2073-4352
doi_str_mv	10.3390/cryst7020061
college_str	Faculty of Science and Engineering
hierarchytype
hierarchy_top_id	facultyofscienceandengineering
hierarchy_top_title	Faculty of Science and Engineering
hierarchy_parent_id	facultyofscienceandengineering
hierarchy_parent_title	Faculty of Science and Engineering
department_str	School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering
document_store_str	0
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description	Glass photonics are widespread, from everyday objects around us to high-tech specialized devices. Among different technologies, sol–gel synthesis allows for nanoscale materials engineering by exploiting its unique structures, such as transparent glass-ceramics, to tailor optical and electromagnetic properties and to boost photon-management yield. Here, we briefly discuss the state of the technology and show that the choice of the sol–gel as a synthesis method brings the advantage of process versatility regarding materials composition and ease of implementation. In this context, we present tin-dioxide–silica (SnO2–SiO2) glass-ceramic waveguides activated by europium ions (Eu3+). The focus is on the photorefractive properties of this system because its photoluminescence properties have already been discussed in the papers presented in the bibliography. The main findings include the high photosensitivity of sol–gel 25SnO2:75SiO2 glass-ceramic waveguides; the ultraviolet (UV)-induced refractive index change (Δn ~ −1.6 × 10−3), the easy fabrication process, and the low propagation losses (0.5 ± 0.2 dB/cm), that make this glass-ceramic an interesting photonic material for smart optical applications.
published_date	2017-02-21T03:39:38Z
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score	11.036334

Sol–Gel-Derived Glass-Ceramic Photorefractive Films for Photonic Structures

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