A high-Q microwave photonic filter by using an SOA- based active mode-locked fiber ring laser

(整期优先)网络出版时间:2013-02-12
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Ahigh-Qmicrowavephotonicfilterusingasemiconductoropticalamplifier(SOA)-basedmode-lockingfiberringlaserisproposed,analyzedandexperimentallydemonstrated.Theproposedmicrowavephotonicfiltercanrealizeahigh-Qfrequencyresponse,itiscompactwithoutanopticalsource,anditcanbeeasilytunedbyadjustinganopticalvariabledelaylineinaringcavity.AresultwithaQ-factorofabout236andarejectionratioofabout45dBisobtained.Themeasuredresultsandthetheoreticalestimationsagreeverywell.