Temperature-Insensitive Dual-Comb Filter Based on Multimode Interference Ti : LiNbO Waveguide

A temperature-insensitive dual-comb filter has been demonstrated for the first time by multimode interference based on a Ti:LiNbO 3 channel waveguide. The phase difference between comb filters was about 180deg. We only observed less than plusmn0.125-nm variation of the center wavelength of the filte...

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Bibliographic Details
Published inIEEE photonics technology letters Vol. 21; no. 8; pp. 507 - 509
Main Authors Lee, Y.L., Choi, Y.-W., Jung, H.S., Eom, T.J., Shin, W., Ko, D.-K., Yang, W.-S., Lee, H.-M., Kim, W.-K., Lee, H.-Y.
Format Journal Article
LanguageEnglish
Published New York IEEE 15.04.2009
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Comb filters
Electrooptical waveguides
Fiber nonlinear optics
Integrated optics
Interference
Nonlinear optics
Optical device fabrication
Optical filters
Optical sensors
optical waveguide filters
Optical waveguides
Semiconductor waveguides
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Summary:A temperature-insensitive dual-comb filter has been demonstrated for the first time by multimode interference based on a Ti:LiNbO 3 channel waveguide. The phase difference between comb filters was about 180deg. We only observed less than plusmn0.125-nm variation of the center wavelength of the filter during temperature change from 20degC to 50degC. The measured extinction ratio and channel spacing of the comb filter were about -25 dB and 3.2 THz, respectively.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2009.2013969