All‐in‐One, Full Optoelectronic Logic Gates with a Tunable van der Waals Junction

Optoelectronic logic gates (OELGs) hold great promise for next‐generation high‐performance computing and real‐time data processing. By converting photonic inputs into electric output with Boolean logic operations, OELGs can offer high‐speed, large‐capacity, and low‐power consumption, which are rather challenging due to limited logic operations with a single device unit and multifunctional integration complexity. Here, a reconfigurable, all‐in‐one broadband OELG is demonstrated that realizes a full set of fundamental Boolean logic operations (AND, OR, NOT, NAND, NOR, XOR, and XNOR) within a single van der Waals junction. This is achieved through an electrically tunable transport‐mediated spectral photoresponse, which enables precise control over the photocurrent across the visible to infrared range. The tunable photovoltaic effect and polarization sensitivity facilitate both linear and nonlinear logic operations, with an exceptional ON/OFF ratio exceeding four orders of magnitude. Furthermore, advanced functionalities such as edge extraction, image fusion, and anti‐glare recognition are showcased—all implemented within a single device configuration. The work provides a powerful strategy for intelligent optical computing and real‐time perception, with potential applications in autonomous vehicles, security monitoring, and augmented reality.