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Nonblocking 3 × 3 polymer thermo-optic switch array based on total-internal-reflection effect.

Lucheng Qv, Jingwen Sun, Hongjun Gu

    Applied Optics
    |October 20, 2015
    PubMed
    Summary
    This summary is machine-generated.

    This study demonstrates a compact 3x3 polymer thermo-optic switch array using total-internal-reflection. The device offers low crosstalk and efficient switching for optical communication networks.

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    Area of Science:

    • Photonics and Optical Engineering
    • Materials Science

    Background:

    • Thermo-optic (TO) switches are crucial for optical communication systems.
    • Achieving compact and efficient switch arrays with low crosstalk remains a challenge.

    Purpose of the Study:

    • To demonstrate a nonblocking 3x3 polymer thermo-optic (TO) switch array.
    • To leverage the total-internal-reflection (TIR) effect for enhanced switching performance.

    Main Methods:

    • Fabrication of a 3x3 switch array composed of three 2x2 TIR TO switch elements.
    • Characterization of switching states, crosstalk, power consumption, and switching times at 1550 nm wavelength.

    Main Results:

    • The 3x3 TO switch array achieved nine switching states with minimal switch element activation.
    • Excellent switching performance was observed with crosstalk below -20 dB for all states.
    • Low power consumption (below 53 mW per element) and fast switching times (rise time ~450 μs, fall time ~550 μs) were recorded.

    Conclusions:

    • The demonstrated polymer thermo-optic switch array is a viable solution for advanced optical switching applications.
    • The device exhibits high performance metrics suitable for integration into optical networks.