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Laser emission in proton-implanted Nd:YAG channel waveguides
E Flores-Romero1, G V Vázquez, H Márquez
1Departamento de Optica, CICESE, Km 107 Carr. Tijuana-Ensenada, 22860 Ensenada, B.C., México. floresr@cicese.mx
Optics Express
|June 25, 2009
Summary
Proton implantation fabricates efficient neodymium-doped yttrium aluminum garnet (Nd:YAG) waveguide lasers. This method allows multiple lasers per crystal with excellent optical performance and analyzed emission features.
Area of Science:
- Laser Physics and Photonics
- Materials Science and Engineering
- Optical Engineering
Background:
- Channel waveguides are crucial for integrated optical devices.
- Neodymium-doped yttrium aluminum garnet (Nd:YAG) is a key material for solid-state lasers.
- Proton implantation offers a precise method for waveguide fabrication.
Purpose of the Study:
- To report the performance of Nd:YAG channel waveguide lasers.
- To detail a fabrication method using proton implantation through an electroformed mask.
- To analyze laser emission and propagation losses.
Main Methods:
- Fabrication of channel waveguides in Nd:YAG crystals via proton implantation.
- Utilized an electroformed mask for precise ion beam definition.
- Characterized laser performance and propagation losses using varied output couplers.
Main Results:
- Demonstrated successful fabrication of multiple waveguide lasers in a single Nd:YAG crystal.
- Achieved very good optical performance from the fabricated waveguide lasers.
- Presented analysis and comparison of laser emission features and propagation losses.
Conclusions:
- Proton implantation through an electroformed mask is an effective technique for Nd:YAG waveguide laser fabrication.
- The method enables efficient, multi-laser integration within a single crystal.
- The study provides valuable data on laser performance and optical characteristics for device optimization.
