Tunable wavelength filters using polymer long-period waveguide gratings based on metal-cladding directly defined technique |
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| Affiliation: | State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China |
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| Abstract: | In this work, long-period waveguide grating-based tunable wavelength filters using organic-inorganic grafting poly(methyl methacrylate) (PMMA) materials are designed and fabricated by metal-cladding directly defined technique. The thermal stabilities and optical properties of the organic-inorganic grafting PMMA core materials are analyzed. Structures and performance parameters of the waveguide gratings and self-electrode heaters are designed and simulated. The contrast of the filter is about 15 dB and the resonant wavelength can be tuned by different electric powers applied to the metal-cladding self-electrode heaters. The temperature sensitivity is 3.5 nm/℃ and the switching time is about 1 ms. The technique is very suitable for realizing the optoelectronic integrated wavelength-division-multiplexing systems. |
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| Keywords: | organic-inorganic grafting materials polymer optical waveguide long-period grating filter metal-cladding defined technique |
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