Tunable all-optical incoherent bipolar delay-line filter using injection-locked Fabry-Perot laser and fibre Bragg gratings
被引:40
作者:
Wang, X
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机构:
Chinese Univ Hong Kong, Dept Elect Engn, Hong Kong, Hong Kong, Peoples R ChinaChinese Univ Hong Kong, Dept Elect Engn, Hong Kong, Hong Kong, Peoples R China
Wang, X
[1
]
Chan, KT
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Chinese Univ Hong Kong, Dept Elect Engn, Hong Kong, Hong Kong, Peoples R ChinaChinese Univ Hong Kong, Dept Elect Engn, Hong Kong, Hong Kong, Peoples R China
Chan, KT
[1
]
机构:
[1] Chinese Univ Hong Kong, Dept Elect Engn, Hong Kong, Hong Kong, Peoples R China
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.