H. Ohta

A 92.6 % tuning range VCO utilizing simultaneously controlling of transformers and MOS varactors in 0.13 µm CMOS technology

N. Itoh, S. Kurachi, T. Yoshimasu, 2009, 2009 IEEE Radio Frequency Integrated Circuits Symposium.

A 40-Gbit/s electro-absorption modulator with a record modulation efficiency (50 GHz/V) enhanced by a novel technique of hybrid integration on the driver IC

Nobuhiko Kikuchi, Masataka Shirai, Takeshi Kitatani, 2003, The 16th Annual Meeting of the IEEE Lasers and Electro-Optics Society, 2003. LEOS 2003..

Characterization and modeling of bias-stressed InGaP/GaAs collector-up tunneling-collector HBTs fabricated with boron-ion implantation

H. Uchiyama, K. Mochizuki, H. Ohta, 2005, IEEE Transactions on Electron Devices.

A 60GHz push-push oscillator

Hiroshi Kondoh, Hiroshi Ohta, Masashi Hashimoto, 1997 .