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Proceedings Paper

Watt-level continuous-wave diode lasers at 1180 nm with high spectral brightness
Author(s): K. Paschke; G. Blume; O. Brox; Frank Bugge; J. Fricke; D. Feise; Julian Hofmann; H. Wenzel; G. Erbert
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Paper Abstract

Distributed Bragg reflector (DBR) tapered lasers emitting near 1180 nm were developed. The integration of DBR surface gratings in an edge-emitting laser structure with a highly strained quantum well and a tapered laser geometry allows nearly diffraction limited emission into a single longitudinal mode with an optical output power of more than 2 W. The laser will allow direct second harmonic generation (SHG) in a single pass configuration and hence will enable the manufacturing of miniaturized laser modules near 590 nm for out-of-the-lab applications. An integration of a heater element at the DBR grating allows the tuning of the emission wavelength of more than 2 nm without the mechanical movement of gratings. This easy tuning simplifies the phase matching to a SHG crystal.

Paper Details

Date Published: 1 April 2015
PDF: 6 pages
Proc. SPIE 9348, High-Power Diode Laser Technology and Applications XIII, 93480X (1 April 2015); doi: 10.1117/12.2076340
Show Author Affiliations
K. Paschke, Ferdinand-Braun-Institut (Germany)
G. Blume, Ferdinand-Braun-Institut (Germany)
O. Brox, Ferdinand-Braun-Institut (Germany)
Frank Bugge, Ferdinand-Braun-Institut (Germany)
J. Fricke, Ferdinand-Braun-Institut (Germany)
D. Feise, Ferdinand-Braun-Institut (Germany)
Julian Hofmann, Ferdinand-Braun-Institut (Germany)
H. Wenzel, Ferdinand-Braun-Institut (Germany)
G. Erbert, Ferdinand-Braun-Institut (Germany)


Published in SPIE Proceedings Vol. 9348:
High-Power Diode Laser Technology and Applications XIII
Mark S. Zediker, Editor(s)

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