Spectral and electro-optic response of UV-written waveguides in LiNbO3 single crystals
Spectral and electro-optic response of UV-written waveguides in LiNbO3 single crystals
An experimental study of the spectral and electro-optic response of direct UV-written waveguides in LiNbO3 is reported. The waveguides were written using c.w. laser radiation at 275, 300.3, 302, and 305 nm wavelengths with various writing powers (35-60 mW) and scan speeds (0.1-1.0 mm/sec). Spectral analysis was used to determine the multimode and single mode wavelength regions and, the cut-off point of the fabricated waveguides. Electro-optic characterization of these waveguides reveals that the electro-optic coefficient (r) decreases for longer writing wavelengths, with a maximum of 31 pm/V for 275 nm and, is reduced to 14 pm/V for waveguides written with 305 nm
23755-23764
Sones, C.L.
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Ganguly, P.
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Ying, Y.J.
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Johann, F.
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Soergel, E.
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Eason, R.W.
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Mailis, S.
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21 December 2009
Sones, C.L.
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Ganguly, P.
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Ying, Y.J.
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Johann, F.
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Soergel, E.
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Eason, R.W.
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Mailis, S.
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Sones, C.L., Ganguly, P., Ying, Y.J., Johann, F., Soergel, E., Eason, R.W. and Mailis, S.
(2009)
Spectral and electro-optic response of UV-written waveguides in LiNbO3 single crystals.
Optics Express, 17 (26), .
(doi:10.1364/OE.17.023755).
Abstract
An experimental study of the spectral and electro-optic response of direct UV-written waveguides in LiNbO3 is reported. The waveguides were written using c.w. laser radiation at 275, 300.3, 302, and 305 nm wavelengths with various writing powers (35-60 mW) and scan speeds (0.1-1.0 mm/sec). Spectral analysis was used to determine the multimode and single mode wavelength regions and, the cut-off point of the fabricated waveguides. Electro-optic characterization of these waveguides reveals that the electro-optic coefficient (r) decreases for longer writing wavelengths, with a maximum of 31 pm/V for 275 nm and, is reduced to 14 pm/V for waveguides written with 305 nm
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oe-17-26-23755
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Published date: 21 December 2009
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Local EPrints ID: 78890
URI: http://eprints.soton.ac.uk/id/eprint/78890
ISSN: 1094-4087
PURE UUID: 491f8f33-7c03-4dc1-b7a2-f58a63f836d3
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Date deposited: 15 Mar 2010
Last modified: 14 Mar 2024 02:33
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Author:
C.L. Sones
Author:
P. Ganguly
Author:
Y.J. Ying
Author:
F. Johann
Author:
E. Soergel
Author:
R.W. Eason
Author:
S. Mailis
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