旋转产生的非永久引力场中的耦合微腔光子晶格
Photonic Lattice of Coupled Microcavities in Nonpermanent Gravitational Field Produced by Rotation
摘要：
对于由倏逝耦合微腔构成的二维光子晶体，预测了旋转诱导的简并光子带的分裂。这种破缺能裂类似于外磁场中原子能级或电子（空穴）磁矩子能级的塞曼分裂。与孤立微腔相比，光子在微腔周期光子晶格中的轨道运动显示出显著增强这种科里奥利-塞曼分裂[D.L. Boiko，Optics Express 2，397（1998）]。运动方程表明，非定常旋转引起光子态之间的量子跃迁，而且这种跃迁可能产生高频引力波。
英文摘要：
Rotation-induced splitting of the otherwise degenerate photonic bands is predicted for a two-dimensional photonic crystal made of evanescently coupled microcavities. The symmetry-broken energy splitting is similar to the Zeeman splitting of atomic levels or electron's (hole's) magnetic moment sublevels in an external magnetic field. The orbital motion of photons in periodic photonic lattice of microcavities is shown to enhance significantly such Coriolis-Zeeman splitting as compared to a solitary microcavity [D.L. Boiko, Optics Express 2, 397 (1998)]. The equation of motion suggests that nonstationary rotation induces quantum transitions between photonic states and, furthermore, that such transitions might generate high-frequency gravitational waves.
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