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On-chip switch for reconfigurable mode-multiplexing optical network.

Chunlei Sun, Yu Yu, Guanyu Chen

    Optics Express
    |September 24, 2016
    PubMed
    Summary
    This summary is machine-generated.

    We developed a novel on-chip switch for mode-division multiplexing optical networks. This device enables dynamic data channel routing with low loss and high extinction ratio, advancing reconfigurable optical network technology.

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    Area of Science:

    • Photonics and Optical Communications
    • Integrated Optics
    • Reconfigurable Optical Networks

    Background:

    • Traditional optical networks rely on single-mode systems, limiting capacity.
    • Advanced optical networks require efficient switching and routing solutions.
    • Mode-division multiplexing (MDM) offers a path to increased data throughput.

    Purpose of the Study:

    • To propose and demonstrate an on-chip switch compatible with MDM systems.
    • To enable dynamic routing of data channels within an MDM network.
    • To achieve high-performance switching with low optical losses.

    Main Methods:

    • Fabrication of an on-chip switch utilizing phase difference control.
    • Experimental demonstration of the switch's routing capabilities.
    • Testing with non-return-to-zero on-off keying (NRZ-OOK) signals at 10 Gb/s.

    Main Results:

    • Achieved low insertion loss of approximately 1 dB.
    • Obtained a high extinction ratio of about 20 dB over the C-band.
    • Successfully processed 10 Gb/s signals on two spatial modes with clear eye diagrams and low bit error rates.

    Conclusions:

    • The proposed on-chip switch effectively supports dynamic data channel routing in MDM systems.
    • The demonstrated performance metrics (low loss, high extinction ratio) are suitable for practical optical network applications.
    • This technology contributes to the advancement of high-capacity, reconfigurable optical networks.