Crow J D, Comerford L D, Harper J S, Brady M J, Laff R A
Appl Opt. 1978 Feb 1;17(3):479-85. doi: 10.1364/AO.17.000479.
A monolithic array of AlGaAs lasers has been packaged together with an array of fiber lightguides on a substrate of silicon. The components have been optimized for maximum lightguide output radiance consistent with reliable cw laser operation. Coupling efficiencies up to 80% have been achieved between laser and lightguide. Output powers up to 70 mW cw have been observed from a 50-microm core diameter lightguide of 0.15 numerical aperture. Eight-device array multispot packages have been fabricated with 10 mW/spot, limited by laser quality and thermoelectric cooler capacity. Fabrication tolerances and device electrical and optical crosstalk are discussed.
一个由铝镓砷(AlGaAs)激光器组成的单片阵列已与一系列光纤光导一起封装在硅基衬底上。这些组件已针对与可靠的连续波(cw)激光运行相一致的最大光导输出辐射率进行了优化。在激光器和光导之间已实现高达80%的耦合效率。从数值孔径为0.15、芯径为50微米的光导中观察到连续波输出功率高达70毫瓦。已制造出八器件阵列多点封装,每个点的功率为10毫瓦,这受到激光质量和热电冷却器容量的限制。文中还讨论了制造公差以及器件的电学和光学串扰。