Full-optical multiwavelet orthogonal frequency divisional multiplexing (ofdm) and demultiplexing

An optical wavelet multiplexer comprising:

• a) a multiplexer input module comprising a plurality of N modulators for modulating N optical input signals to obtain a plurality of N modulated optical input signals λ1,MOD-λN,MOD;
• and
• b) an optical multiwavelet transform (MWT) medium for receiving the N modulated optical input signals λ1,MOD-λN,MOD, the optical MWT medium comprising a plurality of N waveguides for receiving in parallel the N modulated optical input signals λ1,MOD to λN,MOD, each waveguide comprising at least two optical resonators configured such to realize a wavelet filterbank that effects a wavelet transformation on modulated optical signals to obtain optical WT signals that can be orthogonally frequency division multiplexed.

An optical wavelet demultiplexer, comprising:

• a) an optical inverse multiwavelet transform (IMWT) medium comprising a plurality of N waveguides for receiving in parallel corresponding N modulated optical wavelet transformed (WT) input signals λ1,MOD,WT to λN,MOD,WT of an optical OFDM signal, each waveguide comprising at least two optical resonators configured such to realize a wavelet filterbank that effects inverse wavelet transformation (IWT) on the modulated optical wavelet transformed signals to obtain optical IWT signals λ1,MOD,IWT to λN,MOD,IWT that can be demultiplexed;
• and
• b) a demultiplexer input module for providing the optical IMWT medium with the plurality of N modulated and WT optical signals λ1,MOD,WT to λN,MOD,WT of a multiplexed signal Imux.