基于耦合缝孔结构的双谐振纳米激光器
Double Resonance Nanolaser based on Coupled Slit-hole Resonator Structures
摘要：
本文研究了一种基于狭缝孔谐振器的金属磁腔。在980 nm和1550 nm波长处预先设计了具有大空间重叠的腔的两个正交混合磁共振模式。腔体内设置有作为增益介质的Yb-Er共掺材料，这使得谐振腔具有高的光学活性。数值计算结果表明，在980 nm泵浦下，腔阵列可以获得1550 nm的强激光输出。这种双共振纳米激光器阵列在未来的光学器件和量子信息技术中具有潜在的应用前景。
英文摘要：
This work investigates a kind of metallic magnetic cavity based on slit-hole resonators (SHRs). Two orthogonal hybrid magnetic resonance modes of the cavity with a large spatial overlap are predesigned at the wavelengths of 980 nm and 1550 nm. The Yb-Er co-doped material serving as a gain medium is set in the cavity; this enables the resonator to have high optical activity. The numerical result shows that the strong lasing at 1550 nm may be achieved when the cavity array is pumped at 980 nm. This double resonance nanolaser array has potential applications in future optical devices and quantum information techniques.
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