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  • Received: Sep. 1, 2019

    Accepted: Jan. 20, 2020

    Posted: Aug. 12, 2020

    Published Online: Aug. 12, 2020

    The Author Email: Qin Guanshi (yzhuang@semi.ac.cn), Huang Yongzhen (yzhuang@semi.ac.cn)

    DOI: 10.29026/oea.2020.190033

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    Junyuan Han, Yali Huang, Jiliang Wu, Zhenrui Li, Yuede Yang, Jinlong Xiao, Daming Zhang, Guanshi Qin, Yongzhen Huang. 10-GHz broadband optical frequency comb generation at 1550/1310 nm[J]. Opto-Electronic Advances, 2020, 3(7): 190033-1

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Opto-Electronic Advances, Vol. 3, Issue 7, 190033-1 (2020)

10-GHz broadband optical frequency comb generation at 1550/1310 nm

Junyuan Han1,2,4, Yali Huang3, Jiliang Wu1,2, Zhenrui Li3, Yuede Yang1,2, Jinlong Xiao1,2, Daming Zhang3, Guanshi Qin3,*, and Yongzhen Huang1,2

Author Affiliations

  • 1State Key Laboratory of Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China
  • 2Center of Materials Science and Opto-Electronic Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
  • 3State Key Laboratory of Integrated Optoelectronics, College of Electronic Science & Engineering, Jilin University, Changchun 130012, China
  • 4National Key Laboratory of Science and Technology on Electronic Test and Measurement, the 41st Research Institute, China Electronics Technology Group Corporation, Qingdao 266555, China

Abstract

The generation of high-repetition rate (frep ≥ 10 GHz) ultra-broadband optical frequency combs (OFCs) at 1550 nm and 1310 nm is investigated by seeding two types of highly nonlinear fibers (HNLFs) with 10 GHz picosecond pulses at the pump wavelength of 1550 nm. When pumped near the zero dispersion wavelength (ZDW) in the normal dispersion region of a HNLF, 10 GHz flat-topped OFC with 43 nm bandwidth within 5 dB power variation is generated by self-phase modulation (SPM)-based OFC spectral broadening at 26.5 dBm pump power, and 291 fs pulse trains with 10 GHz repetition rate are obtained at 18 dBm pump power without complicated pulse shaping methods. Furthermore, when pumped in the abnormal dispersion region of a HNLF, OFCs with dispersive waves around 1310 nm are studied using a common HNLF and fluorotellurite fibers, which maintain the good coherence of the pump light at 1550 nm. At the same time, sufficient tunability of the generated dispersive waves is achieved when tuning the pump power or ZDW.

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