二维光晶格中的光子布洛赫振荡和齐纳隧穿
Photonic Bloch oscillations and Zener tunneling in two-dimensional optical lattices
摘要：
我们报告的第一个实验观察到的光子布洛赫振荡和齐纳隧道在二维周期性系统。我们研究了叠加在折射率斜坡上的正方形光子晶格中光束的传播，并证明了光从晶格带隙光谱的第一阶到高阶传输带的隧穿，与第一布里渊区内的光谱动力学和相应的初级光束的振荡相关。
英文摘要：
We report on the first experimental observation of photonic Bloch oscillations and Zener tunneling in two-dimensional periodic systems. We study the propagation of an optical beam in a square photonic lattice superimposed on a refractive index ramp, and demonstrate the tunneling of light from the first to the higher-order transmission bands of the lattice bandgap spectrum, associated with the spectral dynamics inside the first Brillouin zone and corresponding oscillations of the primary beam.
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