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Browse Journals & Magazines > Applied Physics Letters ...> Volume:89 Issue:17 Help

Second-harmonic generation in periodically poled lithium niobate waveguides fabricated by femtosecond laser pulses

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12 Author(s)
Lee, Y.L. ; Nonlinear Optics Laboratory, Advanced Photonics Research Institute, GIST, Gwangju 500-712, Republic of Korea ; Yu, N.E. ; Jung, C. ; Yu, B.-A.
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Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.2364832 

The authors have demonstrated the second-harmonic generation (SHG) in optical channel waveguides which were fabricated in periodically poled lithium niobate (PPLN) by tightly focused femtosecond laser (781 nm) pulses. The measured quasi-phase-matched wavelength and 3 dB bandwidth for SHG in a 44.8-mm-long PPLN waveguide which has a domain period of 16.6 μm were about 1563 and 0.25 nm, respectively. The value of the index difference between the fundamental and harmonic wavelengths in laser written waveguide was inferred to be 0.047.

Published in:
Applied Physics Letters  (Volume:89 ,  Issue: 17 )

Date of Publication: Oct 2006

Page(s):
171103 - 171103-3
ISSN :
0003-6951
Digital Object Identifier :
10.1063/1.2364832
Product Type:
Journals & Magazines
Date of Current Version :
18 June 2009
Issue Date :
Oct 2006

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