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Two-dimensional Er:YSGG microlaser array pumped with a monolithic two-dimensional laser diode array.

R Waarts, D Nam, S Sanders

|October 27, 2009

Summary

This summary is machine-generated.

Researchers developed novel one- and two-dimensional Erbium-doped Yttrium Scandium Gallium Garnet (Er:YSGG) microlaser arrays. These arrays achieve high continuous wave power outputs at a 2.8-micrometer wavelength, advancing laser technology.

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Area of Science:

Materials Science
Optics and Photonics
Solid-State Physics

Background:

Erbium-doped Yttrium Scandium Gallium Garnet (Er:YSGG) lasers are crucial for applications requiring specific mid-infrared wavelengths.
Developing compact, high-power microlaser arrays is essential for miniaturization and enhanced performance in various optical systems.

Purpose of the Study:

To demonstrate the fabrication and performance of one- and two-dimensional Er:YSGG microlaser arrays.
To achieve high continuous wave (cw) power output at a 2.8-micrometer wavelength.
To explore the potential of monolithic two-dimensional laser diode arrays with integrated deflectors for advanced laser configurations.

Main Methods:

Fabrication of one-dimensional microlaser arrays using conventional edge-emitting laser diodes.
Development of two-dimensional microlaser arrays based on surface-emitting monolithic two-dimensional laser diode arrays.
Integration of 45-degree deflectors within the two-dimensional array architecture.
Characterization of output wavelength and continuous wave (cw) power levels.

Main Results:

Successful demonstration of both one- and two-dimensional Er:YSGG microlaser arrays.
Achieved output wavelength of 2.8 micrometers.
Reached continuous wave (cw) power levels up to 900 milliwatts (mW).
Two-dimensional arrays utilized surface-emitting monolithic laser diodes with integrated 45-degree deflectors.

Conclusions:

The study successfully presents high-power Er:YSGG microlaser arrays at 2.8 micrometers.
The integration of surface-emitting laser diodes and deflectors offers a promising route for advanced two-dimensional laser systems.
These microlaser arrays hold potential for applications in spectroscopy, medical treatments, and free-space communications.