OTCN 2026 is the second International Conference on Optical and Terahertz Communications and Future Networks, bringing together researchers, engineers, industry professionals, and innovators to explore advances in communications and networking. Held in Singapore from September 11 to 13, 2026, the conference offers a hybrid format, with participation available both in person and online.

The event focuses on optical and terahertz technologies, future networks, intelligent communication systems, next-generation wireless communications, AI-enabled networking, the Internet of Things, edge computing, and related emerging applications. Its program includes keynote speeches, invited talks, technical sessions, and opportunities for academic exchange and international collaboration. Participants can present research, discuss theoretical developments and practical innovations, and explore trends shaping global connectivity and digital transformation.

Papers submitted to OTCN 2026 are reviewed by the conference Technical Committees. Accepted and presented papers are included in the conference proceedings, published by SPIE and submitted for consideration by databases including EI Compendex and Scopus. The event is organized by the OTCN 2026 Organizing Committee.