All-optical wavelength tuning in Ti:PPLN Solc filter via the photorefractive effect

Title
All-optical wavelength tuning in Ti:PPLN Solc filter via the photorefractive effect
Author(s)
곽종훈이영락[이영락]W.Shin[W.Shin]이상조이인원[이인원]
Keywords
SUM-FREQUENCY-GENERATION; POLED LITHIUM-NIOBATE; PPLN WAVE-GUIDE; LINBO3; CONVERSION; TI; DAMAGE; SCATTERING; SINGLE; LOGIC
Issue Date
201109
Publisher
ELSEVIER SCIENCE BV
Citation
OPTICS COMMUNICATIONS, v.284, no.20, pp.4920 - 4923
Abstract
We demonstrate fine-wavelength tuning of a periodically poled Ti:LiNbO(3) (Ti:PPLN) Solc filter by use of the photorefractive (PR) effect. The center wavelength of a Ti:PPLN Solc filter is controlled by the PR effect, which is induced by second-harmonic generation (SHG). The refractive index change caused by the PR effect is calculated from the measured shift in center wavelength from the Ti:PPLN Solc filter. The experimental results show that all-optical fine-wavelength tuning in a Ti:PPLN Solc filter is possible by the use of a second-order nonlinear effect and that a Ti:PPLN waveguide has much higher resistance to PR damage than a Ti:LiNbO(3) waveguide. The measured wavelength tuning rate as a function of the pump beam power is about -0.033 nm/mW. (C) 2011 Elsevier B.V. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/24626http://dx.doi.org/10.1016/j.optcom.2011.06.044
ISSN
0030-4018
Appears in Collections:
이과대학 > 물리학과 > Articles
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