Anewclassofmultilength,constant-weightandtwo-dimensionalmultiwavelengthopticalorthogonalcode(2DMWOOCs)withlargecapacityandgoodcorrelationpropertiesisconstructedbasedonmultilengthone-dimensional(1D)OOCs.TheperformanceofthesenewMWOOCsinanOCDMAnetworkwithdouble-servicesisanalyzed.Theresultshowsthatmediawiththeshortercodewordperformsmuchbetterthanthemediawithlongercodeword,andOCDMAsystemwiththesenewmultilengthMWOOCsperformswell.ThesefeaturesallowmultimediatransmissionoflargecapacityinOCDMAsystem.
