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Bragg grating fast tunable filter for wavelength division multiplexing

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7 Author(s)
Iocco, A. ; Inst. of Appl. Opt., Fed. Inst. of Technol., Lausanne, Switzerland ; Limberger, H.G. ; Salathe, R.P. ; Everall, L.A.
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A Bragg grating fast tunable filter prototype working over a linear tuning range of 45 nm with a maximum tuning speed of 21 nm/ms has been realized. The tunable filter system is based on two piezoelectric stack actuators moving a mechanical device thus compressing an apodized fiber Bragg grating. The filter allows both traction and compression and can work in transmission and in reflection. It is designed to work with a channel spacing of 100 GHz according to the ITU specifications for wavelength division multiplexing systems

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Lightwave Technology, Journal of  (Volume:17 ,  Issue: 7 )