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arXiv 1111.4272physics.optics
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光学厚平板中的光子晶体纳米腔laser

A photonic crystal nanocavity laser in an optically very thick slab

Se-Heon Kim, Jingqing Huang, Axel Scherer

摘要:

在光学上非常厚的平板中形成的光子晶体(PhC)纳米腔可以支持用于激射的合理的高Q模式。在实验上,我们展示了室温脉冲激光操作从PhC偶极子模式发射在1324 nm,这是在InGaAsP板的厚度(T)为606 nm。数值模拟结果表明,当T > 800 nm时,90%以上的激光输出功率耦合到PhC板条模,为光子集成电路的面内高效激光器提供了一条新的途径。

英文摘要:

A photonic crystal (PhC) nanocavity formed in an optically very thick slab can support reasonably high-Q modes for lasing. Experimentally, we demonstrate room-temperature pulsed lasing operation from the PhC dipole mode emitting at 1324 nm, which is fabricated in an InGaAsP slab with thickness (T) of 606 nm. Numerical simulation reveals that, when T > 800 nm, over 90% of the laser output power couples to the PhC slab modes, suggesting a new route towards an efficient in-plane laser for photonic integrated circuits.

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