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Purcell enhanced coupling of nanowire quantum emitters to silicon photonic waveguides

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  • معلومة اضافية
    • بيانات النشر:
      Optica Publishing Group, 2021.
    • الموضوع:
      2021
    • نبذة مختصرة :
      We design a quantum dot (QD) embedded in a vertical-cavity photonic nanowire (NW), deterministically integrated on a silicon-on-insulator (SOI) waveguide (WG), as a novel quantum light source in a quantum photonic integrated circuit (QPIC). Using a broadband QD emitter, we perform finite-difference time domain simulations to systematically tune key geometrical parameters and to explore the coupling mechanisms of the emission to the NW and WG modes. We find distinct Fabry-Perot resonances in the Purcell enhanced emission that govern the outcoupled power into the fundamental TE mode of the SOI-WG. With an optimized geometry that places the QD emitter in a finite NW in close proximity to the WG, we obtain peak outcoupling efficiencies for polarized emission as high as eighty percent.
    • ISSN:
      1094-4087
    • Rights:
      OPEN
    • الرقم المعرف:
      edsair.doi.dedup.....55a4a287920d39428bfecfe231651d39