This paper summarizes the principal techniques of spectral encoding/decoding for optical code division multiple access(OCDMA) including using: (1) grating and mask plate; (2) fiber grating and circulator; (3) arrayed waveguide grating(AWG); (4)Mach Zehnder interferometer chain. The principle of encoding/decoding and corresponding performances are described in detail.
关键词
光码分多址频域编/解码光栅-掩模板光纤光栅-环形器阵列波导光栅Mach-Zehnder干涉仪链
Keywords
OCDMAspectral encoding/decodinggrating and mask platefiber grating and circulatorAWGMach Zehnder interferometer chain