We propose a tunable notch filter using a thermo-optic long-period grating. The grating is generated and controlled thermo-optically. The attenuation of the notch filter is adjustable. Making it with thermo-curable polymers, we demonstrate its feasibility.
© 2004 Optical Society of America
(050.0050) Diffraction and gratings : Diffraction and gratings
(050.2770) Diffraction and gratings : Gratings
(130.0130) Integrated optics : Integrated optics
(130.3120) Integrated optics : Integrated optics devices
M. Kwon and S. Shin, " Implementation of a tunable notch filter using a thermo-optic long-period grating," in Optical Amplifiers and Their Applications/Integrated Photonics Research, Technical Digest (CD) (Optical Society of America, 2004), paper IThC4.
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