High-power green light generation by second harmonic generation of single-frequency tapered diode lasers

Ole Bjarlin Jensen; Peter E. Andersen; Bernd Sumpf; Karl-Heinz Hasler; Goetz Erbert; Paul Michael Petersen

doi:10.1117/12.840879

17 February 2010 High-power green light generation by second harmonic generation of single-frequency tapered diode lasers

Ole Bjarlin Jensen, Peter E. Andersen, Bernd Sumpf, Karl-Heinz Hasler, Goetz Erbert, Paul Michael Petersen

Author Affiliations +

Proceedings Volume 7582, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications IX; 758203 (2010) https://doi.org/10.1117/12.840879
Event: SPIE LASE, 2010, San Francisco, California, United States

Abstract

We demonstrate the generation of high power (>1.5W) and single-frequency green light by single-pass second harmonic generation of a high power tapered diode laser. The tapered diode laser consists of a DBR grating for wavelength selectivity, a ridge section and a tapered section. The DBR tapered laser emits in excess of 9 W single-frequency output power with a good beam quality. The output from the tapered diode laser is frequency doubled using periodically poled MgO:LiNbO₃. We investigate the modulation potential of the green light and improve the modulation depth from 1:4 to 1:50.

Citation Download Citation

Ole Bjarlin Jensen, Peter E. Andersen, Bernd Sumpf, Karl-Heinz Hasler, Goetz Erbert, and Paul Michael Petersen "High-power green light generation by second harmonic generation of single-frequency tapered diode lasers", Proc. SPIE 7582, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications IX, 758203 (17 February 2010); https://doi.org/10.1117/12.840879

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