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Integrated flexible-grid WDM transmitter using an optical frequency comb in microring modulators

机译：在微型调制器中使用光学频率梳理集成的柔性电网WDM发射器

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摘要

Advanced optical interconnects require high-speed links, which can be achieved by combining high channel rates with wavelength-division multiplexing (WDM). We report a multi-channel transmitter using cascaded microring modulators (MRMs) in silicon photonics. One MRM works as a flexible-grid optical comb generator, while the others work as channel modulators. With a single-wavelength laser input, we achieve flexible channel spacing (up to 25 GHz) with a tone-to-noise ratio above 54 dB at low power consumption of less than 4.6 mW. We examine experimentally multi-channel transmission modulating data onto adjacent comb lines without significant signal crosstalk. This single-laser, flexible-grid WDM transmitter is a scalable solution: more comb lines can be obtained using uncoupled MRMs in a series. To the best of our knowledge, this is the first demonstration of monolithic integration of a comb generator and multi-channel modulators for ultra-compact, power-efficient WDM photonic interconnects. (c) 2018 Optical Society of America
机译：高级光学互连需要高速链路，这可以通过将高信道速率与波分复用（WDM）组合来实现。我们在硅光子上使用级联微耦合器（MRM）报告多通道发射器。一个MRM用作柔性电网光学梳理器，而其他MRM用作频道调制器。利用单波长激光输入，我们通过低于4.6 mW的低功耗实现了柔性通道间距（最多25 GHz），音调与低功耗低于54 dB。我们将实验多通道传输调制数据视为相邻的梳状线，而无需显着信号串扰。这种单激光柔性电网WDM发射器是可伸缩的解决方案：可以使用串联中的未耦合MRM来获得更多的梳状线。据我们所知，这是第一次演示梳理发生器和多通道调制器的单片集成，用于超紧凑，功率高效的WDM光子互连。 （c）2018年光学学会

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  • 来源
    《Optics Letters》 |2018年第7期|共4页
  • 作者

    Xu Yelong; Lin Jiachuan; Dube-Demers Raphael; LaRochelle Sophie; Rusch Leslie; Shi Wei;

  • 作者单位

    Univ Laval Ctr Opt Photon &

    Laser Dept Elect &

    Comp Engn Quebec City PQ G1V 0A6 Canada;

    Univ Laval Ctr Opt Photon &

    Laser Dept Elect &

    Comp Engn Quebec City PQ G1V 0A6 Canada;

    Univ Laval Ctr Opt Photon &

    Laser Dept Elect &

    Comp Engn Quebec City PQ G1V 0A6 Canada;

    Univ Laval Ctr Opt Photon &

    Laser Dept Elect &

    Comp Engn Quebec City PQ G1V 0A6 Canada;

    Univ Laval Ctr Opt Photon &

    Laser Dept Elect &

    Comp Engn Quebec City PQ G1V 0A6 Canada;

    Univ Laval Ctr Opt Photon &

    Laser Dept Elect &

    Comp Engn Quebec City PQ G1V 0A6 Canada;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计量学;光学;
  • 关键词

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