IACOP - Use Photonics, Connect the World. With the development of information society represented by optical information, mankind will enter the photonic era. Photonics emerges after electronics and optoelectronic, developing vigorously in various fields such as electric power, petroleum, rail transit, medical treatment, chemical industry, aerospace and national defense. The field of Optics and Photonics is gaining importance in communication systems. Under this background, IACOP aims to bring together international experts, scholars and industry elite, to build a platform marked by diversity, openness and innovation, and to promote innovation and industrial application in the fields of optics and photonics. That is, Use Photonics, Connect the World. IACOP welcomes in-depth peer-reviewed insights and outputs on basic research, applications or enhancements of photonics- based technologies, with a special focus on Information Optics. The 2nd International Academic Conference on Optics and Photonics (IACOP2024) will be held during November 24-26, 2024 in Haikou, China. It features Keynote Speech given by renowned scholars, invited talks, oral and poster presentations with broad coverage and popular topics. On behalf of the organizing committee, we would like to cordially invite experts and student scholars from academia and industry to participate in IACOP 2024!