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<p>Multiband optical communication is a promising solution for increasing the fiber capacity and efficiently utilizing the available bandwidth of the deployed optical fiber. This paper proposes a hybrid fiber architecture combining ITUT G655 and OFS True Wave Ocean XL, which outperforms ITUT G652b for multiband communication across the O, E, S, C, and L bands. Leveraging the complementary dispersion slopes, the proposed combination of fibers compensates for the dispersion of each other over a large bandwidth. A simulation setup of 461 × 10 Gbps channels with channel spacing of 0.8&#xa0;nm is considered with fiber span of 90&#xa0;km. The ITUT G652b based system gives the acceptable Q-factor above 6 dB with a received power of about − 30dBm in all bands except the L-band due to its high dispersion (~ 20 ps/nm/km). In contrast, the proposed architecture shows the effectiveness of multiband optical communication by achieving a Q-factor above 6dB for all bands including O, E, S, C, and L achieving a total channel capacity of 4.61 Tbp/s. The proposed method outperforms the system based on ITUT G652b.</p>

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Hybrid fiber architecture for multiband optical communication with enhanced dispersion compensation and bandwidth utilization

  • 期刊论文

  • 发表日期：

    2025年2月25日

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  • Karamjit Kaur,
  • Simranjit Singh,
  • Rajandeep Singh

摘要

Multiband optical communication is a promising solution for increasing the fiber capacity and efficiently utilizing the available bandwidth of the deployed optical fiber. This paper proposes a hybrid fiber architecture combining ITUT G655 and OFS True Wave Ocean XL, which outperforms ITUT G652b for multiband communication across the O, E, S, C, and L bands. Leveraging the complementary dispersion slopes, the proposed combination of fibers compensates for the dispersion of each other over a large bandwidth. A simulation setup of 461 × 10 Gbps channels with channel spacing of 0.8 nm is considered with fiber span of 90 km. The ITUT G652b based system gives the acceptable Q-factor above 6 dB with a received power of about − 30dBm in all bands except the L-band due to its high dispersion (~ 20 ps/nm/km). In contrast, the proposed architecture shows the effectiveness of multiband optical communication by achieving a Q-factor above 6dB for all bands including O, E, S, C, and L achieving a total channel capacity of 4.61 Tbp/s. The proposed method outperforms the system based on ITUT G652b.