论文标题
具有可调节程度的手性和大量子数的轨道角动量微叠剂
Orbital Angular Momentum Microlaser with Tunable Degree of Chirality and Large Quantum Numbers
论文作者
论文摘要
具有轨道角动量的手性微型塑料是开发集成的高维光子设备的有前途的平台。但是，任意操纵绿色OAM的手性程度和量子数量仍然具有挑战性。本文中，我们提出并证明了具有可调性的手性和大量量子数的OAM世代。通过设计具有光子电势分布不均的光腔的设计，可以通过管理泵位置将OAM激光器的非对称因子从-1连续调节到+1。还产生了高阶涡旋，其中最大的量子数达到352。这项研究提供了一种新的机制，可以操纵基于微型塑料的OAM的手性，具有高维信息处理的巨大潜力。
Chiral microlasers with orbital angular momenta are promising platforms for developing integrated high-dimensional photonic devices. However, it's still challenging to arbitrarily manipulate the degree of chirality and quantum numbers of OAM. Herein, we proposed and demonstrated OAM generations with tunable degree of chirality and large quantum numbers from microlasers. Through the design of an optical microcavity with uneven potential distribution for photons, the dissymmetry factor of OAM laser can be continuously tuned from -1 to +1 by governing the pump position. High-order vortices were also generated, in which the largest quantum number reached up to 352. We further demonstrated multi-vortex laser generation in spatial and temporal domains. This study provides a novel mechanism for manipulating the chirality of OAM based on microlasers, with a great potential in high-dimensional information processing.
