The vectorial optical field (VOF) assumes a pivotal role in light-matter interactions. Beyond its inherent polarization topology, the VOF also encompasses an intrinsic degree of freedom associated with parity (even or odd), corresponding to a pair of degenerate orthogonal modes. However, previous research has not delved into the simultaneous manipulation of both even and odd parities. In this study, we introduce and validate the previously unexplored parity Hall effect for vectorial modes using a metasurface design. Our focus lies on a cylindrical vector beam (CVB) as a representative case. Through the tailored metasurface, we effectively separate two degenerate CVBs with distinct parities in divergent directions, akin to the observed spin states split in the spin Hall effect. Additionally, we provide experimental evidence showcasing the capabilities of this effect in multi-order CVB demultiplexing and parity-demultiplexed CVB-encoded holography. This effect unveils promising opportunities for various applications, including optical communication and imaging.

矢量光场（VOF）在光与物质相互作用中发挥着关键作用。除了其固有的偏振拓扑之外，VOF 还包含与奇偶校验（偶数或奇数）相关的固有自由度，对应于一对简并正交模式。然而，之前的研究并没有深入研究偶数和奇数奇偶校验的同时操纵。在本研究中，我们使用超表面设计介绍并验证了先前未探索的矢量模式奇偶霍尔效应。我们的重点是圆柱矢量光束（CVB）作为代表案例。通过定制的超表面，我们有效地分离了两个在不同方向上具有不同奇偶性的简并 CVB，类似于在自旋霍尔效应中观察到的自旋态分裂。此外，我们还提供了实验证据，展示了这种效应在多阶 CVB 解复用和奇偶解复用 CVB 编码全息术中的能力。这种效应为包括光通信和成像在内的各种应用带来了有希望的机会。