Figure 2 | Scientific Reports

Figure 2

From: Orthogonal-band-multiplexed offset-QAM optical superchannel generation and coherent detection

Figure 2

OBM-OQAM transmitter scheme.

(a) Equidistant optical carriers are split into M branches, each one is modulated by N electrical MC-OQAM subbands. Then all N × M subbands are combined to form an OBM-OQAM superchannel. The adjacent subbands have a constant interval that equals to the symbol rate even though they originate from different brunches. (b) Generation of electrical MC-OQAM signal.

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