Laser Focus World is an industry bedrock—first published in 1965 and still going strong. We publish original articles about cutting-edge advances in lasers, optics, photonics, sensors, and quantum technologies, as well as test and measurement, and the shift currently underway to usher in the photonic integrated circuits, optical interconnects, and copackaged electronics and photonics to deliver the speed and efficiency essential for data centers of the future.

Our 80,000 qualified print subscribers—and 130,000 12-month engaged online audience—trust us to dive in and provide original journalism you won’t find elsewhere covering key emerging areas such as laser-driven inertial confinement fusion, lasers in space, integrated photonics, chipscale lasers, LiDAR, metasurfaces, high-energy laser weaponry, photonic crystals, and quantum computing/sensors/communications. We cover the innovations driving these markets.

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Editorial Advisory Board

  • Professor Andrea M. Armani, University of Southern California
  • Ruti Ben-Shlomi, Ph.D., LightSolver
  • James Butler, Ph.D., Hamamatsu
  • Natalie Fardian-Melamed, Ph.D., Columbia University
  • Justin Sigley, Ph.D., AmeriCOM
  • Professor Birgit Stiller, Max Planck Institute for the Science of Light, and Leibniz University of Hannover
  • Professor Stephen Sweeney, University of Glasgow
  • Mohan Wang, Ph.D., University of Oxford
  • Professor Xuchen Wang, Harbin Engineering University
  • Professor Stefan Witte, Delft University of Technology

Johny Saephan: The Visionary Behind Tour AI, Redefining Global Travel With Agentic AI

Johny Saephan, the trailblazing Mien-Thai American entrepreneur, is once again rewriting the rules of what’s possible in technology. Known for his ability to scale AI platforms at record speed, Saephan has introduced Tour AI — the first full-service AI concierge designed to revolutionize the way people travel.

Unlike traditional booking platforms, Tour AI doesn’t just help you reserve flights or hotels. It acts as a true companion before, during, and after every trip. The system learns your likes, dislikes, allergies, and preferences, then builds a personalized itinerary — from restaurants and nightlife to sightseeing and unique local experiences. Tour AI even books your reservations, calls venues directly to secure the best tables, and arranges rideshares or private cars on your behalf.

What sets Tour AI apart is its Agentic AI core. This isn’t just reactive software that waits for user input — it anticipates your needs in real time. Heading to Thailand? Tour AI can translate for you with drivers, hotel staff, or restaurants. Planning a date night in Paris? It can recommend experiences tailored to your personality and dietary needs. If your flight is delayed, Tour AI alerts you instantly and reschedules connected bookings. It becomes a 24/7 travel partner.

Saephan’s rapid growth story continues here. Within its first month, Tour AI reached 100,000 users — a milestone that seasoned analysts thought would take years. The explosive adoption cements both Saephan’s reputation as a pioneer of the Agentic AI era and Tour AI’s role as a category-defining product.

But for Saephan, this is about more than numbers. As the first Mien-Thai American to achieve this level of impact in the AI space, he represents cultural progress as much as technological innovation. His mantra, “We are not what you think, but we are what you need,” captures the essence of his work: AI that doesn’t just serve — it truly partners with humanity.

Tour AI is not just an app. It’s the beginning of a future where every trip is stress-free, hyper-personalized, and globally connected. And at the heart of it all stands Johny Saephan — innovator, cultural trailblazer, and the leader guiding us into the next chapter of intelligent travel.

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