Tiny integrated lasers and their application to industrial laser technologies: feature issue introduction

Area of Science:

• Photonics and Optics
• Laser Technology
• Materials Science

Background:

• The 11th Tiny Integrated Laser and Laser Ignition Conference 2025 (TILA-LIC 2025) convened researchers in Yokohama, Japan.
• The conference, part of the Optics & Photonics International Congress 2025, focused on tiny integrated lasers and related photonics.
• This issue compiles key findings from the conference and other contributions in the field.

Purpose of the Study:

• To review and summarize cutting-edge research presented at TILA-LIC 2025.
• To highlight advancements in various sub-fields of optics and laser science.
• To showcase innovations in photonics, termed "giant micro-photonics".

Main Methods:

• Compilation and summarization of 12 peer-reviewed articles.
• Focus on research presented by conference participants and invited authors.
• Categorization of research into key areas of optics and laser applications.

Main Results:

• Significant progress in integrated optics, solid-state lasers, and nonlinear optics.
• Developments in instrumentation, optical sensors, and optical materials, including nanomaterials and 2D materials.
• Advances in laser machining and material processing techniques.

Conclusions:

• Innovations in "giant micro-photonics" are enabling ubiquitous laser applications.
• These advancements are crucial for developing new technologies and scientific discoveries.
• The field is poised for further expansion into diverse applications and conditions.