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Communication Dans Un Congrès Année : 2005

Widely tunable directional coupler filters with 1D photonic crystal

Résumé

We present two concept examples for adding a wide range tunability to Si/SiO/sub 2/ devices involving a photonic crystal element. They are based on a directional coupler filter of two different geometries, where one of the arms is a Bragg reflection waveguide (BRW) used for the bandwidth improvement. The tuning relies on changing the properties of the BRW core. As an illustration we consider the smectic A* liquid crystal as the core material and show that ca 100 nm tuning range is achievable by the core index variations of 0.006 under applying electric field of 5 V/μm.
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Dates et versions

hal-01494628 , version 1 (29-03-2017)

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Bozena Jaskorzynska, Zygmunt Jacek Zawistowski, Matteo Dainese, Julien Cardin, Lars Thylén. Widely tunable directional coupler filters with 1D photonic crystal. 7th International Conference Transparent Optical Networks, Jul 2005, Barcelone, Spain. ⟨10.1109/ICTON.2005.1505769⟩. ⟨hal-01494628⟩
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