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<p>In this study, we invest in developing and improving the waveguide performance of an electrically pumped plasmonic nanolaser, a significant advance in nanophononics and integrated photonics technology. We used a simulation programming system to design a compact, highly efficient waveguide plasmon nanolaser at room temperature. The effects showed low threshold current and increased laser output power. In addition to the perfect design of the device, the results of the work confirmed the excellent confinement of the optical mode, which is crucial for minimizing losses and enhancing the average performance of the device. A low threshold current (2 mW) was obtained in both the forward and backward laser output directions. The laser output power was 0.4 mW and 90 mW in the forward and backward directions of the nanoplasmonic laser, respectively. Improving the laser output power in our study leads to many advantages in different application fields. Increasing power levels, for example, in sensing programs, enhances the sensitivity and accuracy of detection. Considering photonic integrated circuits, higher output power also helps the optical parts work better and more robustly, reducing the effects of losses and improving the device’s overall performance. The high-output laser power in plasmonic nanolaser waveguides provides many benefits, leading to advances in telecommunications, sensing, medical diagnostics, and integrated photonics. Wavelengths (1550&#xa0;nm and 1750&#xa0;nm) appeared during the simulation process, and we obtained excellent and acceptable efficiency when operating the nanoplasmonic laser, amounting to 33% in the forward direction and 75% in the backward direction. A narrow laser linewidth of 0.88&#xa0;nm was also obtained. A DBR structure improved our work’s light confinement and laser output power. Worked to reduce thermal effects when designing the device. It also contributed to completing the wavelength selection. The enhanced optical feedback provided by DBR devices also improves the coherence and spectral purity of the laser output, which is essential for applications requiring stable, high-quality light sources. Furthermore, incorporating DBR structures into nanolasers has improved beam quality and directionality, making them more suitable for coupling to optical fibers and photonic circuits.</p>

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Electrically Pumping of SOI Metamaterial Gain-Stripes Plasmonic Nanolaser with DBR Structure

  • 期刊论文

  • 发表日期：

    2025年2月7日

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  • Nawres. M. Kadhim,
  • Hamid Vahed,
  • Hadi Soofi

摘要

In this study, we invest in developing and improving the waveguide performance of an electrically pumped plasmonic nanolaser, a significant advance in nanophononics and integrated photonics technology. We used a simulation programming system to design a compact, highly efficient waveguide plasmon nanolaser at room temperature. The effects showed low threshold current and increased laser output power. In addition to the perfect design of the device, the results of the work confirmed the excellent confinement of the optical mode, which is crucial for minimizing losses and enhancing the average performance of the device. A low threshold current (2 mW) was obtained in both the forward and backward laser output directions. The laser output power was 0.4 mW and 90 mW in the forward and backward directions of the nanoplasmonic laser, respectively. Improving the laser output power in our study leads to many advantages in different application fields. Increasing power levels, for example, in sensing programs, enhances the sensitivity and accuracy of detection. Considering photonic integrated circuits, higher output power also helps the optical parts work better and more robustly, reducing the effects of losses and improving the device’s overall performance. The high-output laser power in plasmonic nanolaser waveguides provides many benefits, leading to advances in telecommunications, sensing, medical diagnostics, and integrated photonics. Wavelengths (1550 nm and 1750 nm) appeared during the simulation process, and we obtained excellent and acceptable efficiency when operating the nanoplasmonic laser, amounting to 33% in the forward direction and 75% in the backward direction. A narrow laser linewidth of 0.88 nm was also obtained. A DBR structure improved our work’s light confinement and laser output power. Worked to reduce thermal effects when designing the device. It also contributed to completing the wavelength selection. The enhanced optical feedback provided by DBR devices also improves the coherence and spectral purity of the laser output, which is essential for applications requiring stable, high-quality light sources. Furthermore, incorporating DBR structures into nanolasers has improved beam quality and directionality, making them more suitable for coupling to optical fibers and photonic circuits.