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Topological hybrid silicon microlasers

Author

Listed:
  • Han Zhao

    (University of Pennsylvania)

  • Pei Miao

    (University of Pennsylvania
    The State University of New York at Buffalo)

  • Mohammad H. Teimourpour

    (Michigan Technological University)

  • Simon Malzard

    (Lancaster University)

  • Ramy El-Ganainy

    (Michigan Technological University)

  • Henning Schomerus

    (Lancaster University)

  • Liang Feng

    (University of Pennsylvania)

Abstract

Topological physics provides a robust framework for strategically controlling wave confinement and propagation dynamics. However, current implementations have been restricted to the limited design parameter space defined by passive topological structures. Active systems provide a more general framework where different fundamental symmetry paradigms, such as those arising from non-Hermiticity and nonlinear interaction, can generate a new landscape for topological physics and its applications. Here, we bridge this gap and present an experimental investigation of an active topological photonic system, demonstrating a topological hybrid silicon microlaser array respecting the charge-conjugation symmetry. The created new symmetry features favour the lasing of a protected zero mode, where robust single-mode laser action in the desired state prevails even with intentionally introduced perturbations. The demonstrated microlaser is hybrid implemented on a silicon-on-insulator substrate, and is thereby readily suitable for integrated silicon photonics with applications in optical communication and computing.

Suggested Citation

  • Han Zhao & Pei Miao & Mohammad H. Teimourpour & Simon Malzard & Ramy El-Ganainy & Henning Schomerus & Liang Feng, 2018. "Topological hybrid silicon microlasers," Nature Communications, Nature, vol. 9(1), pages 1-6, December.
  • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-03434-2
    DOI: 10.1038/s41467-018-03434-2
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    Cited by:

    1. Song Han & Yunda Chua & Yongquan Zeng & Bofeng Zhu & Chongwu Wang & Bo Qiang & Yuhao Jin & Qian Wang & Lianhe Li & Alexander Giles Davies & Edmund Harold Linfield & Yidong Chong & Baile Zhang & Qi Jie, 2023. "Photonic Majorana quantum cascade laser with polarization-winding emission," Nature Communications, Nature, vol. 14(1), pages 1-7, December.
    2. A. Hashemi & K. Busch & D. N. Christodoulides & S. K. Ozdemir & R. El-Ganainy, 2022. "Linear response theory of open systems with exceptional points," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
    3. Byoung-Uk Sohn & Yue-Xin Huang & Ju Won Choi & George F. R. Chen & Doris K. T. Ng & Shengyuan A. Yang & Dawn T. H. Tan, 2022. "A topological nonlinear parametric amplifier," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    4. Midya Parto & Christian Leefmans & James Williams & Franco Nori & Alireza Marandi, 2023. "Non-Abelian effects in dissipative photonic topological lattices," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    5. Chen, Lei & Huang, Feifan & Wang, Hongteng & Huang, Linwei & Huang, Junhua & Liu, Gui-Shi & Chen, Yaofei & Luo, Yunhan & Chen, Zhe, 2022. "Non-Hermitian-enhanced topological protection of chaotic dynamics in one-dimensional optomechanics lattice," Chaos, Solitons & Fractals, Elsevier, vol. 164(C).

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