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Proceedings Paper

1 W at 531 nm generated in a ppMgO:LN planar waveguide by means of frequency doubling of a DBR tapered diode laser
Author(s): D. Jedrzejczyk; D. Feise; R. Güther; K. Paschke; G. Erbert
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Paper 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.

Paper Details

Date Published: 21 February 2011
PDF: 7 pages
Proc. SPIE 7917, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications X, 791703 (21 February 2011); doi: 10.1117/12.874230
Show Author Affiliations
D. Jedrzejczyk, Ferdinand-Braun-Institut (Germany)
D. Feise, Ferdinand-Braun-Institut (Germany)
R. Güther, Ferdinand-Braun-Institut (Germany)
K. Paschke, Ferdinand-Braun-Institut (Germany)
G. Erbert, Ferdinand-Braun-Institut (Germany)

Published in SPIE Proceedings Vol. 7917:
Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications X
Konstantin L. Vodopyanov, Editor(s)

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