300-GHz CMOS QPSK transmitter for 30-Gbps dielectric waveguide communication. - Qian Zhong; Zhiyu Chen 016; Navneet Sharma; Sandeep Kshattry; Wooyeol Choi 001; Kenneth K. O (CICC, 2018)

270-to-300GHz Double-Balanced Parametric Upconverter Using Asymmetric MOS Varactors and a Power-Splitting- Transformer Hybrid in 65nm CMOS. - Zhiyu Chen 016; Wooyeol Choi 001; Kenneth K. O (ISSCC, 2021)

300-GHz Double-Balanced Up-Converter Using Asymmetric MOS Varactors in 65-nm CMOS. - Zhiyu Chen 016; Wooyeol Choi 001; Kenneth K. O (IEEE J. Solid State Circuits, 2022)

380-GHz Third Harmonic Signal Generation Using Differentially Pumped Varactors in a CMOS Voltage Controlled Oscillator. - Zhe Chen 021; Hongcheng Dong; Zhiyu Chen 016; Wooyeol Choi 001; Jixin Chen; Kenneth K. O; Wei Hong 002 (IEEE Trans. Circuits Syst. I Regul. Pap., 2025)