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<p>In this paper, a theory for rapid light generation based on a cascaded structure of coherent population oscillations (CPO) at room temperature is proposed. Through theoretical calculations, we first compare the effects of the hybrid pump (1480&#xa0;nm and 980&#xa0;nm) cascade structure with the dual-pump (1480&#xa0;nm and 980&#xa0;nm) single fiber structure on the fast light. Then the phenomenon of fast light saturation in the cascade structure is studied in detail. Finally, the effect of pump ratio M on time advancement is demonstrated. This may facilitate the optimization of optical communication systems.</p>

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Hybrid pump cascade structure on rapid propagation of light

  • 期刊论文

  • 发表日期：

    2025年11月11日

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  • Yiwen Ma,
  • Wei Qiu,
  • Pin Lv,
  • Feifei Yin,
  • Tianya Tan

摘要

In this paper, a theory for rapid light generation based on a cascaded structure of coherent population oscillations (CPO) at room temperature is proposed. Through theoretical calculations, we first compare the effects of the hybrid pump (1480 nm and 980 nm) cascade structure with the dual-pump (1480 nm and 980 nm) single fiber structure on the fast light. Then the phenomenon of fast light saturation in the cascade structure is studied in detail. Finally, the effect of pump ratio M on time advancement is demonstrated. This may facilitate the optimization of optical communication systems.