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Microwave Photonic Phase Shifter Based on an Integrated Dual-polarization Dual-parallel Mach-Zehnder Modulator without Optical Filter
Fiber and Integrated Optics ( IF 1.7 ) Pub Date : 2019-06-03 , DOI: 10.1080/01468030.2019.1617912
Zhentao Guo 1 , Jianxin Ma 1 , Shanguo Huang 2 , Xinlu Gao 2
Affiliation  

A frequency-doubled microwave photonic phase shifter (MPPS) without optical filter is proposed. The MPPS is based on an integrated dual-polarization dual-parallel Mach-Zehnder modulator (DP-DPMZM) and a polarization modulator (PolM). The DP-DPMZM with a 90° polarization rotator in one arm is used to generate an optical carrier suppressed double sideband (OCS-DSB) signal with orthogonal polarization, and the PolM with two modes opposite phase modulation is used to introduce the optical phase shift between the two orthogonally polarized tones. Simulations show that the MPPS can realize a continuously tunable phase shift of 360° with only one DC bias voltage, and is not sensitive to the optical carrier wavelength and microwave signal frequency since no optical filter is used.



中文翻译:

基于集成双偏振双并联马赫曾德尔调制器的无光滤波器的微波光子移相器

提出了一种不带滤光器的倍频微波光子移相器(MPPS)。MPPS基于集成的双极化双并行马赫曾德尔调制器(DP-DPMZM)和极化调制器(PolM)。单臂中具有90°偏振旋转器的DP-DPMZM用于生成具有正交偏振的光载波抑制双边带(OCS-DSB)信号,并使用具有反相调制的两种模式的PolM引入光相移在两个正交极化的音之间。仿真表明,MPPS只需一个直流偏置电压即可实现360°的连续可调相移,并且由于不使用光学滤波器,因此对光载波波长和微波信号频率不敏感。

更新日期:2019-06-03
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