简介:Atunablesingle-passbandmicrowavephotonicfilterisproposedanddemonstrated,basedonalaserdiode(LD)arraywithmultipleopticalcarriersandaFabry-Perot(F-P)laserdiode.MultipleopticalcarriersinconjunctionwiththeF-PLDwillrealizeafilterwithmultiplepassbands.Byadjustingthewavelengthsofthemultipleopticalcarriers,multiplepassbandsaremergedintoasinglepassbandwithabroadenedbandwidth.Byvaryingthenumberoftheopticalcarrier,thebandwidthcanbeadjusted.Thecentralfrequencycanbetunedbyadjustingthewavelengthofthemultipleopticalcarrierssimultaneously.Asingle-passbandfilterimplementedbytwoopticalcarriersisexperimentallydemonstrated.