Integrated $Al_2O_3:Er^{3+}$ ring lasers on silicon with wide wavelength selectivity

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Bradley, J.D.B. and Stoffer, R. and Agazzi, L. and Ay, F. and Wörhoff, K. and Pollnau, M. (2010) Integrated $Al_2O_3:Er^{3+}$ ring lasers on silicon with wide wavelength selectivity. Optics Letters, 35 (1). pp. 73-75. ISSN 0146-9592

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Abstract:Integrated $Al_2O_3:Er^{3+}$ channel waveguide ring lasers were realized on thermally oxidized silicon substrates. High pump power coupling into and low laser output power coupling from the ring is achieved in a straightforward
design. Output powers of up to 9.5 $\mu $W and slope efficiencies of up to 0.11% were measured while lasing was observed for a threshold diode-pump power as low as 6.4 mW for ring lasers with cavity lengths varying from 2.0 to 5.5 cm. Wavelength selection in the range 1530–1557 nm was demonstrated by varying the length of the output coupler from the ring.
Item Type:Article
Copyright:© 2010 Optical Society of America
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Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/69655
Official URL:http://dx.doi.org/10.1364/OL.35.000073
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