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Highly efficient hybrid fiber taper coupled microsphere laser.
Optics Letters
|November 28, 2007
Summary
A new hybrid fiber taper coupler improves microsphere laser performance. This novel coupler efficiently couples pump and laser light, enabling a 112 microwatt single-frequency output from an erbium-ytterbium doped phosphate microsphere laser.
Area of Science:
- Photonics and Laser Technology
- Materials Science
Background:
- Microsphere lasers offer high-quality optical resonance.
- Efficient coupling of light to and from microsphere modes is crucial for laser performance.
- Existing coupling methods can be inefficient, limiting output power.
Purpose of the Study:
- To propose and demonstrate a novel hybrid fiber taper as an efficient coupler for microsphere laser systems.
- To enhance the coupling of pump and laser emission to and from microsphere modes.
- To investigate the performance of a microsphere laser system utilizing this new coupler.
Main Methods:
- Fabrication of a novel hybrid fiber taper coupler.
- Integration of the taper coupler into a microsphere laser system.
- Characterization of the laser output power and efficiency using optical spectroscopy.
