Optoelectronics Letters

, Volume 13, Issue 2, pp 104–107 | Cite as

A simplified tunable frequency interval optical frequency comb generator using a single continuous-wave laser

  • Li Liu (刘丽)
  • Tie-feng Xu (徐铁峰)
  • Zhen-xiang Dai (戴振祥)
  • Shi-xun Dai (戴世勋)
  • Tai-jun Liu (刘太君)


We propose and demonstrate a simplified and tunable frequency interval optical frequency comb (OFC) generator based on a dual-drive Mach-Zehnder modulator (DD-MZM) using a single continuous-wave (CW) laser and low-power radio frequency (RF) driven signal. A mathematical model for the scheme is established. The 21- and 29-mode OFCs with frequency interval ranging from 6 GHz to 40 GHz are obtained under DD-MZM driven by a low-power RF signal within a maximum bandwidth of 1.12 THz. The generated OFCs exhibit spectral flatnesses of less than 0.5 dB and 0.8 dB within bandwidths of 160 GHz and 400 GHz, respectively.

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Copyright information

© Tianjin University of Technology and Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  • Li Liu (刘丽)
    • 1
    • 2
  • Tie-feng Xu (徐铁峰)
    • 1
  • Zhen-xiang Dai (戴振祥)
    • 3
  • Shi-xun Dai (戴世勋)
    • 1
  • Tai-jun Liu (刘太君)
    • 1
  1. 1.Faculty of Electrical Engineering and Computer ScienceNingbo UniversityNingboChina
  2. 2.Faculty of Information EngineeringNingbo Dahongying UniversityNingboChina
  3. 3.Institute of Ningbo EducationNingboChina

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