Wereporttheextraordinarylightharvestingpropertyofametamaterial-basedsubwavelengthnanopillararraywithaperiodicarrangement.Itisfoundthatthemeta-nanopillararraycanabsorblightefficientlywithanaverageabsorptivityof0.96overthewholevisiblewavebandwithindependentoftheincominglightpolarizationsta