Opt Lett. 2019 Mar 15;44(6):1472-1475. doi: 10.1364/OL.44.001472.
We experimentally demonstrate that a single microresonator can emit two orthogonally polarized individually coherent combs: (i) a strong polarized soliton comb and (ii) an orthogonally polarized continuous wave seeded weaker comb, generated from the first one via cross-phase modulation, sharing the repetition rate of the soliton comb. Experimental results show that the power of the transverse electric-polarized seed can be well below the threshold of comb generation (e.g., 0.1 mW). In addition, simulations show that a dark pulse could be generated in the anomalous dispersion regime by a bright soliton when the two orthogonally polarized modes have the same group velocity in the microresonator.
我们通过实验证明，单个微谐振器可以发射两个正交偏振的、各自相干的梳状波：（i）强偏振孤子梳状波，和（ii）通过交叉相位调制从第一个梳状波产生的、由正交偏振连续波种子激发的较弱梳状波，它们共享孤子梳状波的重复率。实验结果表明，横向电偏振种子的功率可以远低于梳状波产生的阈值（例如，0.1mW）。此外，模拟结果表明，当微谐振器中两个正交偏振模式具有相同的群速度时，反常色散情况下的亮孤子可以产生暗脉冲。
