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Optica Publishing Group
  • Journal of Lightwave Technology
  • Vol. 17,
  • Issue 7,
  • pp. 1217-
  • (1999)

Bragg Grating Fast Tunable Filter for Wavelength Division Multiplexing

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Abstract

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.

[IEEE ]

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