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首页> 外文期刊>Optics Letters >Ultralow-threshold continuous-wave lasing assisted by a metallic optofluidic cavity exploiting continuous pump
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Ultralow-threshold continuous-wave lasing assisted by a metallic optofluidic cavity exploiting continuous pump

机译：Ultralow-阈值连续波激光辅助金属晶体流体腔利用连续泵

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摘要

We report an ultralow-threshold continuous-wave lasing via a metallic optofluidic resonant cavity based on the symmetrical metal-cladding waveguide. The high quality factor Q and spontaneous emission coupling factor beta of the waveguide strengthen the interaction between the gain medium and the ultrahigh order modes (UOMs); hence, the room-temperature, narrowband lasing can be effectively pumped by a continuous laser of low intensity. Rhodamine 6G and methylene blue are chosen to verify the applicability of the proposed concept. Lasing is emitted from the chip surface when the pumped laser is well coupled into the UOMs. For methylene blue with a concentration of 2.57 * 10(-13) mol/ml, the operated emission can be observed with the launched pump threshold as low as 2.1 mu W/cm(2). (C) 2018 Optical Society of America
机译：我们通过基于对称金属包层波导的金属邻接谐振腔来报告超声阈值连续波激光。 波导的高质量因子Q和自发发射耦合因子β增强了增益介质和超高阶模式（UOM）之间的相互作用; 因此，室温，窄带激光可以通过低强度的连续激光有效地泵送。 选择罗丹明6G和亚甲基蓝色以验证所提出的概念的适用性。 当泵浦的激光耦合到UOMS时，从芯片表面发射激光。 对于浓度为2.57×10（-13）mol / ml的亚甲基蓝色，可以使用发射的泵阈值低至2.1μm（2），可以观察到操作的发射。 （c）2018年光学学会

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  • 来源
    《Optics Letters》 |2018年第4期|共4页
  • 作者

    Dai Hailang; Jiang Bei; Yin Cheng; Cao Zhuangqi; Chen Xianfeng;

  • 作者单位

    Shanghai Jiao Tong Univ State Key Lab Fiber Opt Local Area Commun Network Dept Phys &

    Astron Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ State Key Lab Fiber Opt Local Area Commun Network Dept Phys &

    Astron Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ State Key Lab Fiber Opt Local Area Commun Network Dept Phys &

    Astron Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ State Key Lab Fiber Opt Local Area Commun Network Dept Phys &

    Astron Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ State Key Lab Fiber Opt Local Area Commun Network Dept Phys &

    Astron Shanghai 200240 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计量学;光学;
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