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Proceedings Paper

Efficient generation of orange light by frequency-doubling of a quantum-dot laser radiation in a PPKTP waveguide
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Paper Abstract

Orange light with maximum conversion efficiency exceeding 10% and CW output power of 12.04 mW, 10.45 mW and 6.24 mW has been generated at 606, 608, and 611 nm, respectively, from a frequency-doubled InAs/GaAs quantum-dot external-cavity diode laser by use of a periodically-poled KTP waveguides with different cross-sectional areas. The wider waveguide with the cross-sectional area of 4×4 μm2 demonstrated better results in comparison with the narrower waveguides (3×5 μm2 and 2×6 μm2) which corresponded to lower coupling efficiency. Additional tuning of second harmonic light (between 606 and 614 nm) with similar conversion efficiency was possible by changing the crystal temperature.

Paper Details

Date Published: 20 February 2014
PDF: 6 pages
Proc. SPIE 8964, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIII, 896405 (20 February 2014); doi: 10.1117/12.2037834
Show Author Affiliations
Ksenia A. Fedorova, Univ. of Dundee (United Kingdom)
Grigorii S. Sokolovskii, Ioffe Physico-Technical Institute (Russian Federation)
Univ. of Dundee (United Kingdom)
St.Petersburg State Electrotechnical Univ. (Russian Federation)
Philip R. Battle, AdvR, Inc. (United States)
Daniil A. Livshits, Innolume GmbH (Germany)
Edik U. Rafailov, Univ. of Dundee (United Kingdom)

Published in SPIE Proceedings Vol. 8964:
Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIII
Konstantin L. Vodopyanov, Editor(s)

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