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150 GHz of thermo-optic tuning in direct UV written silica-on-silicon planar Bragg grating

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5 Author(s)
C. Holmes ; Optoelectronics Research Centre, Southampton University, Southampton SO17 1BJ, United Kingdom ; D. O. Kundys ; J. C. Gates ; C. B. E. Gawith
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An integrated direct UV written apodised planar Bragg grating reflector with 154 GHz (1.23 nm) of thermo-optic tuning in the C-band and a response speed 31 GHz/ms is demonstrated. The degree and speed of tuning of the fabricated device indicates potential application in dynamic optical networks, as an optical add-drop multiplexer.

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Electronics Letters  (Volume:45 ,  Issue: 18 )