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DBR tapered diode laser with 12.7 W output power and nearly diffraction-limited, narrowband emission at 1030 nm

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Abstract

A 1030 nm distributed Bragg reflector (DBR) tapered diode laser with nearly diffraction-limited emission is presented. The laser provides an optical output power of 12.7 W with an electro-optical efficiency >40 %. At 10.5 W of optical output power, a central lobe power content of 8.1 W and a nearly diffraction-limited beam propagation ratio of M 2 = 1.1 (1/e 2) are obtained. The corresponding brightness is 700 MW cm−2 sr−1. Compared to previous approaches, intrinsic wavelength stabilization is obtained by a third-order DBR grating manufactured using more reproducible electron-beam lithography. A narrowband emission is measured over the whole power range with a spectral bandwidth of about 17 pm at 12.5 W. Based on the measured electro-optical, spectral and spatial properties, the laser is suitable for applications requiring narrowband, high-power emission with high spatial quality.

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Acknowledgments

The authors acknowledge financial support from the European Union project FAMOS (Seventh Framework Program, Information and Communication Technologies, Contract 317744).

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Authors and Affiliations

  1. Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Str. 4, 12489, Berlin, Germany

    André Müller, Jörg Fricke, Frank Bugge, Olaf Brox, Götz Erbert & Bernd Sumpf

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  1. André Müller
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  2. Jörg Fricke
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  3. Frank Bugge
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  4. Olaf Brox
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  5. Götz Erbert
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  6. Bernd Sumpf
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Correspondence to André Müller.

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Müller, A., Fricke, J., Bugge, F. et al. DBR tapered diode laser with 12.7 W output power and nearly diffraction-limited, narrowband emission at 1030 nm. Appl. Phys. B 122, 87 (2016). https://doi.org/10.1007/s00340-016-6360-9

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  • DOI: https://doi.org/10.1007/s00340-016-6360-9

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