Author

Hocheon Yoo

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Sep 2026

Fingerprint-Expanding Gaussian Transistors for Compact Physical Unclonable Functions

Physically unclonable functions (PUFs) enable hardware-rooted identities by converting fabrication randomness into challenge-response pairs (CRPs). However, conventional PUFs generally expose only one dominant entropy feature per cell, so fingerprint capacity commonly scales with array size. Here, a fingerprint-expan...

Jueun Lee, T. Ohm, Youngmin Han et al. · ACS Nano · 0 citations

Open access Sep 2026

Dual Randomness From Spatial and Temporal Variations in Stochastic Zinc Gallate Nanoclusters for PUF and TRNG Co‐Driven Image Generation

ABSTRACT We propose a novel dual‐randomness framework that integrates physically unclonable functions (PUFs) and true random number generators (TRNGs) within a single nanomaterial platform. In contrast to conventional approaches that treat PUFs and TRNGs as separate entities, our platform integrates both entropy source...

Seung-Me Kang, Wang-Kug Choi, Jueun Lee et al. · Advancement of science · 0 citations

Review Open access Sep 2026

Emerging Post‐CMOS Hardware Neurons for Brain‐Inspired Computing: Devices, Circuits, and System Integration

The fundamental energy and latency limitations of the von Neumann architecture have necessitated a paradigm shift toward neuromorphic systems. This approach addresses the “memory wall” bottleneck by emulating the brain's event‐driven and massively parallel processing capabilities. However, the physical realization of...

Kannan Udaya Mohanan, Hocheon Yoo, Benoît H. Lessard et al. · Advanced Functional Material... · 0 citations