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Continuous-wave quantum dot photonic crystal lasers grown on on-axis Si (001)

Author

Listed:
  • Taojie Zhou

    (The Chinese University of Hong Kong)

  • Mingchu Tang

    (University College London)

  • Guohong Xiang

    (The Chinese University of Hong Kong)

  • Boyuan Xiang

    (The Chinese University of Hong Kong)

  • Suikong Hark

    (The Chinese University of Hong Kong)

  • Mickael Martin

    (Univ. Grenoble Alpes, CNRS, CEA-LETI, MINATEC, LTM)

  • Thierry Baron

    (Univ. Grenoble Alpes, CNRS, CEA-LETI, MINATEC, LTM)

  • Shujie Pan

    (University College London)

  • Jae-Seong Park

    (University College London)

  • Zizhuo Liu

    (University College London)

  • Siming Chen

    (University College London)

  • Zhaoyu Zhang

    (The Chinese University of Hong Kong)

  • Huiyun Liu

    (University College London)

Abstract

Semiconductor III–V photonic crystal (PC) laser is regarded as a promising ultra-compact light source with unique advantages of ultralow energy consumption and small footprint for the next generation of Si-based on-chip optical interconnects. However, the significant material dissimilarities between III-V materials and Si are the fundamental roadblock for conventional monolithic III-V-on-silicon integration technology. Here, we demonstrate ultrasmall III-V PC membrane lasers monolithically grown on CMOS-compatible on-axis Si (001) substrates by using III-V quantum dots. The optically pumped InAs/GaAs quantum-dot PC lasers exhibit single-mode operation with an ultra-low threshold of ~0.6 μW and a large spontaneous emission coupling efficiency up to 18% under continuous-wave condition at room temperature. This work establishes a new route to form the basis of future monolithic light sources for high-density optical interconnects in future large-scale silicon electronic and photonic integrated circuits.

Suggested Citation

  • Taojie Zhou & Mingchu Tang & Guohong Xiang & Boyuan Xiang & Suikong Hark & Mickael Martin & Thierry Baron & Shujie Pan & Jae-Seong Park & Zizhuo Liu & Siming Chen & Zhaoyu Zhang & Huiyun Liu, 2020. "Continuous-wave quantum dot photonic crystal lasers grown on on-axis Si (001)," Nature Communications, Nature, vol. 11(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-14736-9
    DOI: 10.1038/s41467-020-14736-9
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