A new process method is proposed to improve the light output power of GaAs vertical cavity surface-emitting lasers (VCSELs).
采用一种新的工艺方法提高了垂直腔面发射激光器的输出功率。
The testing results show that these VCSELs operate with good performance, light output power is 1.34 times as much as that with ring groove.
测试结果表明这种新结构器件不仅表现了良好的工作特性，而且输出功率也提高到环形沟槽结构的1.34倍。
The second system is tunable laser light source based on semiconductor optical amplifier(SOA), light output power and signal-to-noise ratio are improved effectively;
第二套系统采用的是基于半导体光放大器（SOA）的可调谐激光器做光源，有效的增加了光源的输出功率，提高了信噪比；
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