Optical Single Sideband Modulation With Tunable Optical Carrier-to-Sideband Ratio
Optical Single Sideband Modulation With Tunable Optical Carrier-to-Sideband Ratio
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DOI：
10.1109/lpt.2014.2301893
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发表时间：
2014-04
影响因子：
2.6
通讯作者：
Yamei Zhang;Fangzheng Zhang;S. Pan
中科院分区：
文献类型：
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作者：
Yamei Zhang;Fangzheng Zhang;S. Pan
提出并实现了一种基于级联偏振调制器（PolM）实现光载边比（OCSR）可调的光单边带（OSSB）调制的新方法。在所提出的方案中，OSSB偏振调制首先通过用相位相差90 °的两个RF信号驱动两个级联PolM来获得。然后，通过在PolM之后放置偏振器，通过调节偏振器的偏振方向来获得具有可调谐OCSR的OSSB调制信号。进行了实验。OSSB信号的OCSR可调范围为-26 ~46 dB。工作带宽覆盖5-35 GHz的频率范围。
A novel approach to realize optical single sideband (OSSB) modulation with tunable optical carrier-to-sideband ratio (OCSR) is proposed and demonstrated based on cascaded polarization modulators (PolMs). In the proposed scheme, OSSB polarization modulation is first obtained by driving two cascaded PolMs with two RF signals that are 90 ° out of phase. Then, by placing a polarizer after the PolMs, an OSSB-modulated signal with a tunable OCSR is obtained by adjusting the polarization direction of the polarizer. An experiment is carried out. An OSSB signal with a tunable OCSR from -26 to 46 dB is achieved. The operation bandwidth covers the frequency range of 5-35 GHz.