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  • Title: Development of high-density single-mode polymer waveguides with low crosstalk for chip-to-chip optical interconnection.
    Author: Sugama A, Kawaguchi K, Nishizawa M, Muranaka H, Arakawa Y.
    Journal: Opt Express; 2013 Oct 07; 21(20):24231-9. PubMed ID: 24104333.
    Abstract:
    High-density single-mode polymer waveguides were fabricated for chip-to-chip optical interconnection. The waveguides were designed as minimized mode field diameters for the lowest inter-channel crosstalk caused by mode coupling. The optimum relative index difference chosen was 1.2% to ensure compatibility with low crosstalk and wide fabrication tolerances. The 60-mm-length linear waveguides demonstrated a low propagation loss of 0.6 dB/cm and -45 dB crosstalk at 1310 nm. Also, a new crosstalk mechanism for a curved waveguide was revealed.
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