Ultraflat optical frequency comb generated based on cascaded polarization modulators.

  title={Ultraflat optical frequency comb generated based on cascaded polarization modulators.},
  author={Chao He and Shilong Pan and Ronghui Guo and Yongjiu Zhao and Minghai Pan},
  journal={Optics letters},
  volume={37 18},
A novel approach to generating an ultraflat and stable optical frequency comb with tunable frequency spacing is proposed and experimentally demonstrated. The proposed generator consists of a polarization modulator (PolM) and a polarizer. The joint operation of a PolM and a polarizer is equivalent to intensity modulation, but with a third controllable parameter in addition to the two controllable parameters in conventional intensity modulation. By tuning the three parameters, an ultraflat… CONTINUE READING
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