An Auto-Configurable Dual-Mode MPPT for Energy Harvesting With 12 nW-180 mW Conversion Range. - Heesung Roh; Youngwoo Ji; Jae-Yoon Sim (IEEE Trans. Circuits Syst. II Express Briefs, 2022)

A 6.5nW, -73.5dBm Sensitivity, Cryptographic Wake-Up Receiver with a PUF-based OTP and Temperature-Insensitive Code Recovery. - Jaehan Park; Cheonhoo Jeon; Donggyu Minn; Heesung Roh; Jae-Yoon Sim (VLSI Technology and Circuits, 2023)

A $94 text{fs}_{ text{rms}}$-Jitter and -249.3dB FoM 4.0GHz Ring-Oscillator-Based MDLL with Background Calibration of Phase Offset and Injection Slope Mismatch. - Dongjun Park; Heesung Roh; Seon-Kyoo Lee; Jae-Yoon Sim (VLSI Technology and Circuits, 2024)

A Smart Contact Lens System with 433MHz Wireless Power and Data Transfer at a Modulation Index Down to 0.02%. - Heesung Roh; Hyun Jin Yoo; Si-Youl Yoo; Seung Hee Pyen; Cheonhoo Jeon; Jae-Yoon Sim (VLSI Technology and Circuits, 2024)