A Control System Design for the Optimal Bias Point of Ezternal Modulator

摘要：

This paper deals with the effects of direct current bias voltage to X-cut y conduction Mach-Zehnder intensity modulators export optical power,and achieves a cosine function equation of direct current bias voltage versus export optical power of modulator. The modulator works on an approximate linear region nearby the optimal bias point Vπ/2(± 10mV). Considering the approximate linear regions range of variation is infinitesimal,a high-accuracy digital signal processing (DSP) control system has been designed which achieves precise control for the optimal bias point,in addition,its control precision can be attained 1mV.

关键词： ezternal modulation direct current bias voltage light power optimal bias point automatic control.

作者: Yinan Chen Xiaoqing Zhang Dong Li

作者单位: School of Optoelectronic Information & Telecommunication Engineering,Beijing Information Science & Technology University,Beijing,100192,China

会议类型: 国际会议

会议名称: 2009 9th International Conference on Electronic Measurement & Instruments(第九届电子测量与仪器国际会议 ICEMI2009)

会议地点: 北京

会议语种:英文

页码: 3078-3082

在线出版日期: 2009-08-16（万方平台首次上网日期，不代表论文的发表时间）