Open AccessBandwidth control of a Ti:PPLN Šolc filter by a temperature-gradient-control technique
Author(s) -
Yeung Lak Lee,
YoungChul Noh,
ChulSik Kee,
Nan Yu,
Woojin Shin,
Chanho Jung,
DoKyeong Ko,
Jongmin Lee
Publication year - 2008
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.16.013699
Subject(s) - bandwidth (computing) , optics , materials science , temperature control , temperature gradient , lithium niobate , refractive index , filter (signal processing) , optoelectronics , physics , computer science , telecommunications , quantum mechanics , computer vision , thermodynamics
We have demonstrated the bandwidth control of a Ti-diffused periodically poled LiNbO(3) (Ti:PPLN) Solc filter by a temperature-gradient-control technique. Up to 2.8 nm of filtering bandwidth was achieved with a simple temperature-gradient-control technique in a 78-mm-long of Ti:PPLN waveguide, which has a 0.2 nm filtering bandwidth at an uniform temperature. We have also analyzed the experimental results with the theoretical calculation which is derived from the codirectional coupled mode equations.