Integrated Optical Microsystems Group, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands.
Opt Lett. 2010 Jan 1;35(1):73-5. doi: 10.1364/OL.35.000073.
Integrated Al(2)O(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 microW 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.
掺铒氧化铝（Al2O3）：Er（3+）通道波导环形激光器在热氧化硅衬底上实现。在直截了当的设计中，实现了高泵浦功率耦合到环形中以及低激光输出功率从环形中耦合出去。当腔长从 2.0 厘米到 5.5 厘米变化时，观察到阈值为 6.4 毫瓦的环形激光器的最低泵浦功率为 6.4 毫瓦时，测量到高达 9.5 微瓦的输出功率和高达 0.11%的斜率效率。通过改变环形输出耦合器的长度，在 1530nm-1557nm 的波长范围内进行了波长选择。
