Abstract
With the rapid development of communication technology, higher demands are required for the communication networks in the “big data era”. Integrated optics has the advantages of compactness, low power consumption and large bandwidth, which are widely applied for optical interconnection and communication. As higher and higher computing ability is demanded by more and more applications such as could computing, virtual reality, it is necessary to broaden the bandwidth of on-chip optical interconnection. In this paper, there advanced modulation formats are investigated to increase the transmission capacity for on-chip optical interconnection, including Pulse Amplitude Modulation (PAM), Discrete Multi-tone Modulation (DMT) and Carrier-free amplitude modulation (CAP). On this basis, mode division multiplexing (MDM) can be used to further increase the transmission capacity, in which different spatial modes are exploited for data transmission. Moreover, flexible data exchange function in op-chip MDM networks is studied to increase the network flexibility.
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