The invention discloses a control device and method for improving the stability of the cross point of the eye, the control device comprises a cross point control module; the cross point control module comprises a voltage setting unit and feedback control unit; the voltage setting unit for setting the reference voltage; the feedback control unit, feedback control makes the difference the cross point voltage and the reference voltage in a preset range for the cross point voltage of electro absorption modulated laser output cross point corresponding to the eye. The present invention through the feedback control of the laser cross point voltage, can inhibit the electro absorption modulated laser cross point drift, improve the optical eye jitter performance, reduce the error rate of the transmission end of the module, so as to enhance the overall performance of optical transceiver module.
【技术实现步骤摘要】
【技术保护点】
１．一种提高眼图交叉点稳定性的控制装置，其特征在于，所述控制装置包括交叉点控制模块；所述交叉点控制模块包括电压设定单元和反馈控制单元；所述电压设定单元，用于设定参考电压；所述反馈控制单元，用于对电吸收调制激光器输出眼图的交叉点对应的交叉点电压进行反馈控制使交叉点电压与所述参考电压的差值在预设范围内。
【技术特征摘要】
【专利技术属性】
技术研发人员：战永兴，
申请(专利权)人：中兴通讯股份有限公司，
类型：发明
国别省市：94
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