Photonic microwave multi-band frequency conversion based on a DP-QPSK modulator for satellite communication

被引：11

作者：

Lin, Tao ^{[1
]}

Zhao, Shanghong ^{[1
]}

Zheng, Qiurong ^{[1
]}

Zhu, Zihang ^{[1
]}

Li, Xuan ^{[1
]}

Qu, Kun ^{[1
]}

机构：

[1] Air Force Engn Univ, Coll Informat & Nav, Xian 710077, Shaanxi, Peoples R China

来源：

OPTICAL REVIEW | 2017年 / 24卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Microwave photonics; Conversion efficiency; Optical frequency comb (OFC); Multi-band frequency conversion; SIGNALS;

D O I：

10.1007/s10043-017-0321-3

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose and demonstrate a simple, flexible and stably operated multi-band frequency conversion approach based on a dual-polarization quadrature phase shift keying modulator (DP-QPSK). The modulator incorporating two dual parallel Mach-Zehnder modulators (DPMZMs) which perform as OFC generator and +1st carrier suppressed single sideband generator, respectively, to achieve the purpose of frequency conversion. The theoretical analysis indicates that by properly adjusting six DC bias points in the integrated modulator and two modulation indices, a frequency of received RF signal can be directly converted into different frequencies that cover different bands simultaneously. The simulation results verified the possibility. For example, the received C band frequency of 3.8 GHz can be converted into X, Ku, K and Ka bands. An X band frequency of 9.6 GHz can be down-converted to C band and up-converted to Ku, K, Ka band. In addition, the simulation also focuses on how the adjustable parameters (such as DC bias points and modulation index) influence the conversion results. It demonstrates stable conversion efficiency against the DC drafting.

引用

页码：310 / 317

页数：8

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