Technical Conference
2,000+ technical sessions organized by 29 topic categories are routinely presented at CLEO — from breakthrough ideas to real-world applications. Contributed talks are rigorously peer reviewed by the CLEO Committee.
Program
Plenaries
CLEO Plenary speakers are carefully selected by leading industry experts to provide thought-provoking and informative presentations.
View Plenary SpeakersApplications & Technology Topical Reviews
Comprised of invited and contributed papers, Applications & Technology Topical Reviews emphasize significant recent advances in the application of photonics technologies to address current, real-world problems. Submissions should consist of timely, cutting-edge topics and/or new material in rapidly advancing areas related to applications and technology.
View A&T Topical ReviewsSpecial Symposia
Comprised of invited and contributed papers, Special Symposia cover areas considered to be topical and of special interest to CLEO attendees. Submissions should consist of timely, cutting-edge topics and/or new material in rapidly advancing areas.
View Special Symposia ProgramSpecial Sessions
Provides convivial, interactive, open fora to address topics not covered by traditional presentations, but that are of interest and importance to the CLEO community. Workshops offer an informal format to enable open discussion between moderators and panels of specialists and the audience to address technical or strategic questions that may lack clear consensus.
View the Market FocusShort Courses
Covers a broad range of topic areas at a variety of educational levels, and taught by highly-regarded industry experts on a number of subjects. Whether you choose a course designed for beginners or for more advanced instruction, the small size of each class gives you an excellent opportunity for personalized instruction. Registrants receive one copy of the Course Notes, which will be distributed onsite.
View Short CoursesSpecial Events
Make the most of your attendance at CLEO with a range of networking and educational events. Special events range from receptions to career development programs.
View Special EventsInvited Speakers
Explore invited speakers across Applications & Technology, Fundamental Science, and Science & Innovations tracks. These sessions feature leading experts presenting cutting-edge research and insights.
View Invited SpeakersPost Deadline Papers
Post-deadline abstract submissions for CLEO 2026 will open on 9 March.
Closes 10 April


