A new experiment confirms that angular momentum conservation holds even when a single photon is split into two.

Abstract: Angular momentum (AM) plays multiple critical roles in wireless communications and detection, whereas waveguides serve as a pivotal propagation environment. The electromagnetic (EM) waves ...

The focus is shifting from accountability to learning. by Peter Cappelli and Anna Tavis When Brian Jensen told his audience of HR executives that Colorcon wasn’t bothering with annual reviews anymore, ...

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Abstract: Based on the topological charge matching principle and mode coupling theory, the higher-order orbital angular momentum (OAM) generating mechanism in a helically-twisted anti-resonant fiber ...