论文标题
使用光载体频带处理的双平行MACH-ZEHNDER调制器的线性化
Linearization of a dual-parallel Mach-Zehnder modulator using optical carrier band processing
论文作者
论文摘要
理论上描述和实验证明了基于双平行的Mach-Zhhnder调制器的微波光子链接的线性化。在研究中考虑了多达四种不同的射频音调，这使我们能够对光电探测器上出现的所有三阶失真术语提供完整的数学描述。模拟表明，通过正确调整直流偏置电压并处理光载体和。结果，对于三阶失真项，可以在实验中获得17 dBM的抑制作用，以及3 dB的SDFR改善。提出的线性化方法可以同时调制四个不同的信号，而无需其他射频组件，这对于其在集成光学器件中的实现来说是可取的，并且使其适用于微波炉光子学中的多种应用。
The linearization of a microwave photonic link based on a dual-parallel Mach-Zehnder modulator is theoretically described and experimentally demonstrated. Up to four different radio frequency tones are considered in the study, which allow us to provide a complete mathematical description of all third-order distortion terms that arise at the photodetector. Simulations show that a complete linearization is obtained by properly tuning the DC bias voltages and processing the optical carrier and. As a result, a suppression of 17 dBm is experimentally obtained for the third-order distortion terms, as well as a SDFR improvement of 3 dB. The proposed linearization method enables the simultaneous modulation of four different signals without the need of additional radio frequency components, which is desirable to its implementation in integrated optics and makes it suitable for several applications in microwave photonics.
