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Tunable all-optical incoherent bipolar delay-line filter using injection-locked Fabry-Perot laser and fibre Bragg gratings

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2 Author(s)
Wang, X. ; Dept. of Electron. Eng., Chinese Univ. of Hong Kong, Shatin, China ; Chan, K.T.

A novel tunable all-optical incoherent bipolar delay-line filter scheme is proposed. It utilises the cross-intensity modulation characteristic of an injection-locked Fabry-Perot laser and the reflection characteristic of a delay line composed of a sequence of tunable fibre Bragg gratings. Bipolar transversal filters are experimentally demonstrated and their filter performance agrees well with theoretical calculation

Published in:

Electronics Letters  (Volume:36 ,  Issue: 24 )