Multiplexing increases the capacity of optical communication, but it is limited by the number of modes and their orbital angular momentum. A robust vortex laser now solves this problem by emitting several beams, all carrying large topological charges.

中文翻译：

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数不清的曲折

复用增加了光通信的容量，但是它受到模式数量及其轨道角动量的限制。坚固的涡旋激光器现在可以通过发射几束光束来承载所有拓扑电荷，从而解决了这一问题。