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Flexibly tunable microwave photonic FIR filter incorporating wavelength spacing programmable, arrayed micro-mirror based optical filter

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5 Author(s)
Lee, J.H. ; Photonics Res. Center, Korea Inst. of Sci. & Technol., Seoul, South Korea ; Chang, Y.M. ; Han, Y.-G. ; Chung, H.
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A novel tunable microwave photonic FIR filter incorporating a wavelength spacing tunable multiwavelength filter based on a programmable arrayed micro-mirror device (AMMD) is demonstrated. Owing to the unique characteristic of the AMMD, that an arbitrary optical filter shape can be produced by defining a desired spatial pattern on an array of ∼800 000 micro-mirrors, a wavelength spacing tunable multiwavelength optical filtering pattern is readily obtainable. By controlling the optical filter wavelength spacing, flexible resonance RF frequency tuning is achieved over a range of 2.3 GHz.

Published in:

Electronics Letters  (Volume:42 ,  Issue: 14 )