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首页> 外文期刊>Optics Letters >Integrated Al2O3:Er3+ ring lasers on silicon with wide wavelength selectivity
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Integrated Al2O3:Er3+ ring lasers on silicon with wide wavelength selectivity

机译：在硅上集成Al2O3：Er3 +环形激光器，具有宽波长选择性

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摘要

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   μ 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.
机译：在热氧化的硅衬底上实现了集成的Al 2 O 3：Er 3 +通道波导环形激光器。通过简单的设计就可以实现高泵浦功率耦合到环的低激光输出功率耦合。测量的输出功率高达9.5μW，斜率效率高达0.11％，而对于腔长从2.0到5.5μcm的环形激光器，观察到的阈值二极管泵浦功率低至6.4μmW，发射激光。通过改变环输出耦合器的长度，证明了在1530 – 1557 557 nm范围内的波长选择。

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