Highly efficient, low-threshold monolithic distributed-Bragg-reflector channel waveguide laser in Al$_{2}$O$_{3}$:Yb$^{3+}$

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Bernhardi, E.H. and Wolferen, H.A.G.M. van and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2011) Highly efficient, low-threshold monolithic distributed-Bragg-reflector channel waveguide laser in Al$_{2}$O$_{3}$:Yb$^{3+}$. Optics Letters, 36 (5). pp. 603-605. ISSN 0146-9592

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Abstract:We report the fabrication and performance of a highly efficient, monolithic distributed-Bragg-reflector channel waveguide laser in ytterbium-doped aluminum oxide. The 1 cm long device was fabricated on a standard thermally oxidized silicon substrate and was optically pumped with a 976nm laser diode. Single-longitudinal-mode and single-polarization operation was achieved at a wavelength of 1021.2nm. Continuous-wave output powers of up to 47mW and a launched pump power threshold of 10mW resulted in a slope efficiency of 67%.
Item Type:Article
Copyright:© 2011 Optical Society of America
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/76061
Official URL:http://dx.doi.org/10.1364/OL.36.000603
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