Younghyun Kim

Congratulations! Jung-Tack! It is quite meaningful for me since he is the first student I advised to research. Indeed, this paper is a good start point. Good luck with your PhD work!

Abstract —Carrier-depletion monolithic III-V/Si optical phase modulators are proposed and numerically investigated. Thanks to the larger carrier-induced refractive index change of the III-Vs compared to Si, the III-V/Si phase modulator is predicted to achieve 0.07-Vcm modulation efficiency at 16-dB/cm optical loss at 1310-nm wavelengths. Poster presentation, GFP, Singapore on 28th Aug, 2019 [ IEEE Web ]

Congratulations ! Minkyu! Abstract We present an accurate, easy-to-use large-signal SPICE circuit model for depletion-type silicon ring modulators (Si RMs). Our model includes both the electrical and optical characteristics of the Si RM and consists of circuit elements whose values change depending on modulation voltages. The accuracy of our model is confirmed by comparing the SPICE simulation results of 25 Gb/s non-return-to-zero (NRZ) modulation with the measurement. The model is used for performance optimization of monolithically integrated Si photonic NRZ and pulse-amplitude-modulation 4 transmitters in the standard SPICE circuit design environment. In detail, you can find a full manuscript! https://www.osapublishing.org/prj/abstract.cfm?uri=prj-7-9-948