Monocrystalline $Yb^{3+}:(Gd,Lu)_2O_3$ channel waveguide laser at 976.8 nm

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Kühn, Henning and Heinrich, Sebastian and Kahn, Andreas and Petermann, Klaus and Bradley, Jonathan D.B. and Wörhoff, Kerstin and Pollnau, Markus and Huber, Günter (2009) Monocrystalline $Yb^{3+}:(Gd,Lu)_2O_3$ channel waveguide laser at 976.8 nm. Optics letters, 34 (18). pp. 2718-2720. ISSN 0146-9592

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Abstract:We report on a $Yb^{3+}$-doped sesquioxide waveguide laser based on a lattice-matched $Yb^{3+}$(3%)$:(Gd,Lu)_2O_3$ film that has been epitaxially grown on $Y_2O_3$ using pulsed laser deposition. Rib-channel waveguides have been structured by reactive ion etching. Laser emission at 976.8 nm was observed under pumping with a $Ti^{3+}:Al_2O_3$ laser at 905 nm. A laser threshold of 17 mW and a slope efficiency of 6.7% have been achieved with respect to input power. For an incident pump power of 200 mW, a maximum output power of 12 mW could be realized.
Item Type:Article
Copyright:© 2009 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/69662
Official URL:http://dx.doi.org/10.1364/OL.34.002718
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