Journal
OPTICS LETTERS
Volume 35, Issue 12, Pages 1935-1937Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.35.001935
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Funding
- European Community [224338]
- Ulla Tuominen Foundation
- Emil Aaltonen Foundation
- Finnish Foundation for Technology Promotion
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We report a disk laser using two quantum-dot semiconductor gain elements, resulting in what we believe is the first demonstration of intracavity frequency conversion with these active media. Output power of 6 W has been obtained in dual-gain configuration at a wavelength of 1180 nm, while single-gain lasers produced up to 3 and 4 W individually, limited by thermal rollover in the output characteristics. The gain enhancement achieved with two active elements comprising 39 layers of Stranski-Krastanov InGaAs quantum dots allows for intracavity frequency doubling delivering 2: 5 W of orange radiation. (C) 2010 Optical Society of America
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