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Zinc diffused lithium niobate waveguides for high conversion efficiency second harmonic generation

Zinc diffused lithium niobate waveguides for high conversion efficiency second harmonic generation
Zinc diffused lithium niobate waveguides for high conversion efficiency second harmonic generation
PPLN waveguides were fabricated using a new technique based on zinc indiffusion of metallic zinc carried out at atmospheric pressure. Single mode channel waveguides at 1550nm were demonstrated to have a conversion efficiency of 59%/Wcm. When combined with a pulsed source a conversion efficiency of 80% was achieved for second harmonic generation.
This work shows that zinc diffusion is demonstrated to be a viable potential alternative to titanium diffusion and proton exchange as a route for fabricating PPLN waveguides. Advantages of zinc diffused PPLN waveguides are highlighted for visible operation, and limitations on their performance in the visible due to fabrication tolerances will be discussed.
Smith, P.G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Ming, L.
0c3f4070-f85d-4c53-9628-933c6cb9e70a
O'Connor, M.V.
db2f4543-aa5b-4177-afeb-ad30941263a5
Gawith, C.B.E.
926665c0-84c7-4a1d-ae19-ee6d7d14c43e
Lithium Niobate Workshop
Smith, P.G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Ming, L.
0c3f4070-f85d-4c53-9628-933c6cb9e70a
O'Connor, M.V.
db2f4543-aa5b-4177-afeb-ad30941263a5
Gawith, C.B.E.
926665c0-84c7-4a1d-ae19-ee6d7d14c43e

Smith, P.G.R., Ming, L., O'Connor, M.V. and Gawith, C.B.E. (2005) Zinc diffused lithium niobate waveguides for high conversion efficiency second harmonic generation. Lithium Niobate: from material to device, from device to system. 23 - 25 May 2005. 4 pp .

Record type: Conference or Workshop Item (Paper)

Abstract

PPLN waveguides were fabricated using a new technique based on zinc indiffusion of metallic zinc carried out at atmospheric pressure. Single mode channel waveguides at 1550nm were demonstrated to have a conversion efficiency of 59%/Wcm. When combined with a pulsed source a conversion efficiency of 80% was achieved for second harmonic generation.
This work shows that zinc diffusion is demonstrated to be a viable potential alternative to titanium diffusion and proton exchange as a route for fabricating PPLN waveguides. Advantages of zinc diffused PPLN waveguides are highlighted for visible operation, and limitations on their performance in the visible due to fabrication tolerances will be discussed.

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More information

Published date: 2005
Venue - Dates: Lithium Niobate: from material to device, from device to system, 2005-05-23 - 2005-05-25

Identifiers

Local EPrints ID: 38296
URI: https://eprints.soton.ac.uk/id/eprint/38296
PURE UUID: beb72fbe-f0ec-43b9-a7c7-acadf2bca044
ORCID for C.B.E. Gawith: ORCID iD orcid.org/0000-0002-3502-3558

Catalogue record

Date deposited: 08 Jun 2006
Last modified: 06 Jun 2018 12:52

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