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UV poling of pure fused silica by high-intensity femtosecond radiation

UV poling of pure fused silica by high-intensity femtosecond radiation
UV poling of pure fused silica by high-intensity femtosecond radiation
The possibility of inducing a second-order nonlinearity (SON) in glass by poling has some very intriguing possibilities for fibre optics in particular and photonics in general, as it has opened the way for creating different built-in devices in a standard telecom fibre; amongst them modulators, switches and harmonic generators.
The method of UV poling, first realized by Fujiwara et al. [1], consists of the irradiation of highly Ge-doped (15.7 mol.%) fused silica glass by nanosecond 193 nm laser pulses in the presence of an applied electric field of 100-300 kV/cm. Fujiwara et al. reported the induction of a nonlinear second-order coefficient as high as 3.4 pm/V. In this investigation [2], we tried to repeat these experiments using a high-intensity UV femtosecond laser source and undoped fused silica samples, excited by a two-photon mechanism.
After irradiation, we observed a strong second-harmonic (SH) signal in the areas of the sample that had been subjected both to the electric field and to the UV light. To the best of our knowledge, it is the first experimental demonstration of UV poling in undoped fused silica.
311-312
Slattery, S.A.
c863b9d4-cff9-4913-bc86-988181dfa3d1
Nikogosyan, D.N.
37237f25-119d-427f-8b57-c6bfafe1d079
Corbari, C.
0d97e1c1-7a62-47c6-8f97-735f7946f93f
Kazansky, P.G.
a5d123ec-8ea8-408c-8963-4a6d921fd76c
CLEO/Europe-EQEC 2005
Slattery, S.A.
c863b9d4-cff9-4913-bc86-988181dfa3d1
Nikogosyan, D.N.
37237f25-119d-427f-8b57-c6bfafe1d079
Corbari, C.
0d97e1c1-7a62-47c6-8f97-735f7946f93f
Kazansky, P.G.
a5d123ec-8ea8-408c-8963-4a6d921fd76c

Slattery, S.A., Nikogosyan, D.N., Corbari, C. and Kazansky, P.G. (2005) UV poling of pure fused silica by high-intensity femtosecond radiation. 31st European Conference on Optical Communication (ECOC 2005). 25 - 29 Sep 2005. pp. 311-312 .

Record type: Conference or Workshop Item (Paper)

Abstract

The possibility of inducing a second-order nonlinearity (SON) in glass by poling has some very intriguing possibilities for fibre optics in particular and photonics in general, as it has opened the way for creating different built-in devices in a standard telecom fibre; amongst them modulators, switches and harmonic generators.
The method of UV poling, first realized by Fujiwara et al. [1], consists of the irradiation of highly Ge-doped (15.7 mol.%) fused silica glass by nanosecond 193 nm laser pulses in the presence of an applied electric field of 100-300 kV/cm. Fujiwara et al. reported the induction of a nonlinear second-order coefficient as high as 3.4 pm/V. In this investigation [2], we tried to repeat these experiments using a high-intensity UV femtosecond laser source and undoped fused silica samples, excited by a two-photon mechanism.
After irradiation, we observed a strong second-harmonic (SH) signal in the areas of the sample that had been subjected both to the electric field and to the UV light. To the best of our knowledge, it is the first experimental demonstration of UV poling in undoped fused silica.

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More information

Published date: 2005
Additional Information: Publication No: 3176
Venue - Dates: 31st European Conference on Optical Communication (ECOC 2005), 2005-09-25 - 2005-09-29

Identifiers

Local EPrints ID: 38264
URI: https://eprints.soton.ac.uk/id/eprint/38264
PURE UUID: 1843396c-4f06-415f-b36b-818554d349ba

Catalogue record

Date deposited: 07 Jun 2006
Last modified: 22 Oct 2018 16:32

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