Seminario
Prof. Professor Mukesh KUMAR, PhD
Indian Institute of Technology (IIT) Indore – INDIA
AULA SEMINARI
Via Antonio Scarpa 16 – Palazzina RM004
Integrated Photonic Devices based on Semiconductor Heterojunctions
Silicon nanophotonic devices for optical communications and interconnects are presented, including a silicon nanophotonic resistive switch with an on-off extinction ratio greater than 15 dB. The interaction between plasmons and electromagnetic waves at the nanoscale enables extensive control of optical signal via electrical control. A hybrid silicon-based optical modulator is realized with Si-ITO heterojunction that enables intensity modulation with an extinction ratio greater than 20 dB via electrical tuning of optical absorption. The device is promising as a silicon photonic platform not only for optical modulation but also in other applications such as electrically tunable photonic devices, tunable dispersion compensators, and optical delay lines for optical communications and optical interconnects.
