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1.2- \mu m Semiconductor Disk Laser Frequency Doubled With Periodically Poled Lithium Tantalate Crystal

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7 Author(s)
Rautiainen, J. ; Optoelectron. Res. Centre, Tampere Univ. of Technol., Tampere, Finland ; Fedorova, K.A. ; Nikkinen, J. ; Eger, David
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In this letter, we demonstrate an optically pumped semiconductor disk laser frequency doubled with a periodically poled lithium tantalate crystal. Crystals with various lengths were tested for intracavity frequency conversion. The semiconductor disk laser exploited GaInNAs-based active region with GaAs-AlAs distributed Bragg mirror to produce emission at 1.2-μm wavelength. The frequency doubled power up to 760 mW at the wavelength of 610 nm was achieved with a 2-mm-long crystal.

Published in:

Photonics Technology Letters, IEEE  (Volume:22 ,  Issue: 7 )