一种基于温度和PZT双控制的光锁相技术研究

Optical Phase-locked Loop Study Based on Temperature and PZT Dual Control

摘要:

对空间相干光通信系统进行了简单描述,对相干光锁相环(OPLL)技术进行了详细的分析,提出了一种基于激光器温度控制和PZT腔长控制的激光锁相技术。该技术集双重控制体系于一体,和传统OPLL相比,具有更快的频率扫描速度、更高的相位灵敏度。实验证明,该技术在空间相干光通信解调中大大地提高了系统效率。 更多还原

Abstract:

The space coherent optical communication system is introduced briefly. The technology of laser phase-locked loop is put forward based on laser temperature control and PZT cavity length control by analyzing coherent optical phase-locked loop (OPLL). This technology integrating the dual control, compared with traditional OPLL，owns faster frequency scanning speed and higher phase sensitivity. Experimental results show that it can greatly improve the system efficiency in spatial coherent optical communication demodulation.