基于塑封10 Gbit/s 850 nm VCSEL(垂直腔面发射激光器) TOSA(光发射器件)在高低温下的P-I(功率-电流)特性, 对10 Gbit/s SFP+(增强版小型可插拔)短距离光模块的温度补偿进行了研究, 提出了多次采样、计算, 对不同温度分段匹配补偿系数的方法。实验数据和分析结果表明, 该方法改善了光模块在全温(-40～85 ℃)范围内的性能, 提高了模块在同类工作环境下的指标一致性。

On the basis of the Power-Current (P-I) characteristic of plastic packaged 10 Gbit/s 850 nm VCSEL TOSA at high and low temperatures, this paper investigates the temperature compensation technology for 10 Gbit/s SFP+ short-range optical modules and presents methods for multiple sampling, calculation and sectional matching and compensating coefficients at different temperatures. The experiment data and analysis results indicate that this method improves the performances of the optical module within the full range of -40～85 ℃, and enhances the index consistency of the module under similar working environment.