Nanolaser Based on Hybrid Plasmonic Wavguide

Zhi-quan, 李志全 Li; Tao, 彭涛 Peng; Ming, 张明 Zhang; Zhong, 岳中 Yue; Er-dan, 顾而丹 Gu; Wenchao, 李文超 Li; Dandan, 冯丹丹 Feng; Tonglei, 刘同磊 Liu

doi:10.3788/cjl201643.1001005

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Definition and Mathematical Expression Of Characteristic Parameters1

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“…If its value is smaller, the gain required for laser to achieve lasing is smaller. The gain threshold calculation formula [18] is…”

Section: Definition and Mathematical Expression Of Characteristic Parametersmentioning

confidence: 99%

Perovskite Hybrid Surface Plasmon Waveguide

et al. 2021

Plasmonics

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A novel perovskite hybrid surface plasmon waveguide structure is designed. Established its physical model and introduced its theoretical basis in detail. Based on the finite element method, the mode characteristics, quality factor, and gain threshold of the waveguide structure are analyzed with geometric parameters. The results show that the optical field constraint of the waveguide can reach a good deep sub-wavelength level under the optimal operating wavelength of 1550nm. By adjusting the waveguide design parameters, the high quality factor, low energy loss, low threshold limit and ultra small effective mode field area are obtained. Compared with the hybrid waveguide structure proposed in the current research results, this structure has stronger optical field limiting ability and microcavity binding ability. The waveguide structure can provide theoretical and technical support for the development of new efficient nano laser devices, and has a good application prospect.

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“…If its value is smaller, the gain required for laser to achieve lasing is smaller. The gain threshold calculation formula [18] is…”

Section: Definition and Mathematical Expression Of Characteristic Parametersmentioning

confidence: 99%