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Guided-wave second harmonic generation in hexagonally poled RPE:LiNbO3

Guided-wave second harmonic generation in hexagonally poled RPE:LiNbO3
Guided-wave second harmonic generation in hexagonally poled RPE:LiNbO3
Buried waveguides fabricated by reverse proton exchange (RPE) have recently allowed the demonstration of the highest Second Harmonic Generation (SHG) efficiency reported to date in 1D Periodically poled LiNbO3 (PPLN) [1] and appear extremely promising for practical applications of chi(2) nonlinearities. In this communication, we report on efficient SHG at telecom wavelengths in an optimised buried waveguide made by RPE in 2D Hexagonally poled LiNbO3 (HexLN). We demonstrate an RPE:HexLN device (the integrated version of the configuration of Ref.[2]) allowing the simultaneous generation of a pair of guided SH waves by means of two concurrent TM_0(w)+TM0(w) --> TM_0(2w) processes, quasi-phase-matched by different reciprocal lattice vectors of the HexLN pattern. A full characterisation of the angular and spectral SHG response of the RPE:HexLN device provides us also with additional information on the linear properties of the buried waveguide, difficult to determine via conventional linear measurements.
(w = omega)
Gallo, K.
d08fbf8e-a4f8-4c15-b485-3d4f731b8d27
Codemard, C.
71812eb8-df24-410b-a0dc-d1c40520d160
Gawith, C.B.E.
926665c0-84c7-4a1d-ae19-ee6d7d14c43e
Broderick, N.G.
b85a5bab-7c7a-4db8-aede-01ccef7b5b36
Smith, Peter G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Nilsson, J.
f41d0948-4ca9-4b93-b44d-680ca0bf157b
Richardson, David
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
CLEO/Europe
Gallo, K.
d08fbf8e-a4f8-4c15-b485-3d4f731b8d27
Codemard, C.
71812eb8-df24-410b-a0dc-d1c40520d160
Gawith, C.B.E.
926665c0-84c7-4a1d-ae19-ee6d7d14c43e
Broderick, N.G.
b85a5bab-7c7a-4db8-aede-01ccef7b5b36
Smith, Peter G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Nilsson, J.
f41d0948-4ca9-4b93-b44d-680ca0bf157b
Richardson, David
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3

Gallo, K., Codemard, C., Gawith, C.B.E., Broderick, N.G., Smith, Peter G.R., Nilsson, J. and Richardson, David (2005) Guided-wave second harmonic generation in hexagonally poled RPE:LiNbO3. CLEO/Europe EQEC 2005. Conference on Lasers and Electro-Optics and European Quantum Electronics Conference. 12 - 17 Jun 2005. 1 pp .

Record type: Conference or Workshop Item (Paper)

Abstract

Buried waveguides fabricated by reverse proton exchange (RPE) have recently allowed the demonstration of the highest Second Harmonic Generation (SHG) efficiency reported to date in 1D Periodically poled LiNbO3 (PPLN) [1] and appear extremely promising for practical applications of chi(2) nonlinearities. In this communication, we report on efficient SHG at telecom wavelengths in an optimised buried waveguide made by RPE in 2D Hexagonally poled LiNbO3 (HexLN). We demonstrate an RPE:HexLN device (the integrated version of the configuration of Ref.[2]) allowing the simultaneous generation of a pair of guided SH waves by means of two concurrent TM_0(w)+TM0(w) --> TM_0(2w) processes, quasi-phase-matched by different reciprocal lattice vectors of the HexLN pattern. A full characterisation of the angular and spectral SHG response of the RPE:HexLN device provides us also with additional information on the linear properties of the buried waveguide, difficult to determine via conventional linear measurements.
(w = omega)

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More information

Published date: 2005
Venue - Dates: CLEO/Europe EQEC 2005. Conference on Lasers and Electro-Optics and European Quantum Electronics Conference, 2005-06-12 - 2005-06-17

Identifiers

Local EPrints ID: 38333
URI: https://eprints.soton.ac.uk/id/eprint/38333
PURE UUID: 9d3b6e46-8857-4072-a097-7eafac3e6278
ORCID for C.B.E. Gawith: ORCID iD orcid.org/0000-0002-3502-3558
ORCID for J. Nilsson: ORCID iD orcid.org/0000-0003-1691-7959
ORCID for David Richardson: ORCID iD orcid.org/0000-0002-7751-1058

Catalogue record

Date deposited: 08 Jun 2006
Last modified: 06 Mar 2019 01:37

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