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Ion-implanted Nd:MgO:LiNbO(3) planar waveguide laser
Optics Letters
|September 24, 2009
Summary
This study demonstrates laser oscillation in a novel ion-implanted neodymium-doped magnesium oxide lithium niobate waveguide. This breakthrough offers a new platform for integrated photonics and laser applications.
Area of Science:
- Materials Science
- Optoelectronics
- Photonics
Background:
- Neodymium-doped magnesium oxide lithium niobate (Nd:MgO:LiNbO3) is a promising material for integrated optics.
- Fabrication of low-loss waveguides is crucial for developing compact laser devices.
Purpose of the Study:
- To demonstrate laser oscillation in an ion-implanted planar Nd:MgO:LiNbO3 waveguide for the first time.
- To characterize the waveguide's properties and laser performance.
Main Methods:
- Fabrication of a planar waveguide using ion implantation in Nd:MgO:LiNbO3.
- Characterization of waveguide structure, spectroscopic properties, and photorefractive effects.
- Measurement of laser performance, including absorbed power threshold.
Main Results:
- Successful demonstration of laser oscillation in the fabricated waveguide.
- Detailed analysis of waveguide properties and laser performance.
- Experimental absorbed power threshold of ~17 mW, consistent with theoretical calculations (~8 mW).
Conclusions:
- Ion-implanted Nd:MgO:LiNbO3 waveguides are viable for laser oscillation.
- This work establishes a new method for creating integrated optical devices.
- The results pave the way for advanced photonic integrated circuits.
