The 2nd International Conference on Microwave, Optical and Communication Engineering (ICMOCE-2023) was held during 26-28 May 2023 at the School of Electrical Sciences, IIT Bhubaneswar in Bhubaneswar, Odisha, India. The conference was technically co-sponsored by IEEE (Kharagpur Section, Kolkata Section and Bhubaneswar Subsection). ICMOCE-2023 provided an international forum for the exchange of ideas on state-of-the-art research in microwave, optical and communication engineering.