1 W at 531 nm generated in a ppMgO:LN planar waveguide by means of frequency doubling of a DBR tapered diode laser

D. Jedrzejczyk; D. Feise; R. Güther; K. Paschke; G. Erbert

doi:10.1117/12.874230

21 February 2011 1 W at 531 nm generated in a ppMgO:LN planar waveguide by means of frequency doubling of a DBR tapered diode laser

D. Jedrzejczyk, D. Feise, R. Güther, K. Paschke, G. Erbert

Author Affiliations +

Proceedings Volume 7917, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications X; 791703 (2011) https://doi.org/10.1117/12.874230
Event: SPIE LASE, 2011, San Francisco, California, United States

Abstract

In this work, we investigate experimentally second-harmonic generation (SHG) in a periodically poled 5 %mol MgO doped LiNbO3 (ppMgO:LN) planar waveguide. As a pump source a 6 mm long distributed Bragg reflector (DBR) tapered diode laser is applied. The laser emits nearly diffraction limited, spectrally single-mode continuous-wave radiation at 1063 nm and is therefore well suited for the SHG process. With the applied lens system in a bench-top experiment a coupling efficiency into the planar waveguide of 73 % is reached. A maximal SH power of 1.07 W is generated at an opto-optical and electro-optical conversion efficiency of 26 % and 8.4 %, respectively. This is, to the best of our knowledge, the highest power level generated in a waveguide structure by means of frequency doubling of diode laser radiation in a single-pass configuration.

Citation Download Citation

D. Jedrzejczyk, D. Feise, R. Güther, K. Paschke, and G. Erbert "1 W at 531 nm generated in a ppMgO:LN planar waveguide by means of frequency doubling of a DBR tapered diode laser", Proc. SPIE 7917, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications X, 791703 (21 February 2011); https://doi.org/10.1117/12.874230

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