• Photonics Research
  • Vol. 6, Issue 4, 238 (2018)
Mulong Liu1、2, Leiran Wang1、2、*, Qibing Sun1, Siqi Li1、2, Zhiqiang Ge1、2, Zhizhou Lu1、2, Weiqiang Wang1、2, Guoxi Wang1、2, Wenfu Zhang1、2、3, Xiaohong Hu1, and Wei Zhao1、2
Author Affiliations
  • 1State Key Laboratory of Transient Optics and Photonics, Xi’an Institute of Optics and Precision Mechanics (XIOPM), Chinese Academy of Sciences (CAS), Xi’an 710119, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
  • 3e-mail: wfuzhang@opt.ac.cn
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    DOI: 10.1364/PRJ.6.000238 Cite this Article Set citation alerts
    Mulong Liu, Leiran Wang, Qibing Sun, Siqi Li, Zhiqiang Ge, Zhizhou Lu, Weiqiang Wang, Guoxi Wang, Wenfu Zhang, Xiaohong Hu, Wei Zhao. Influences of multiphoton absorption and free-carrier effects on frequency-comb generation in normal dispersion silicon microresonators[J]. Photonics Research, 2018, 6(4): 238 Copy Citation Text show less
    (a) Frequency-comb spectra in the absence (blue) and presence (red) of two-photon absorption. (b) The corresponding temporal evolution of (a) (blue curve). (c) The final stable flat top pulse in (b).
    Fig. 1. (a) Frequency-comb spectra in the absence (blue) and presence (red) of two-photon absorption. (b) The corresponding temporal evolution of (a) (blue curve). (c) The final stable flat top pulse in (b).
    (a) Spectra are generated in the presence of 3PA and FC effects (red), in the presence of 3PA without FC effects (blue), and in the absence of 3PA (green). (b) Temporal evolution of comb [blue curve in (a)] in the presence of 3PA without FC effects.
    Fig. 2. (a) Spectra are generated in the presence of 3PA and FC effects (red), in the presence of 3PA without FC effects (blue), and in the absence of 3PA (green). (b) Temporal evolution of comb [blue curve in (a)] in the presence of 3PA without FC effects.
    (a) Spectra are generated in the presence of 4PA without FC effects (blue) and with FC effects (red). (b) Corresponding temporal profiles.
    Fig. 3. (a) Spectra are generated in the presence of 4PA without FC effects (blue) and with FC effects (red). (b) Corresponding temporal profiles.
    (a) Spectra generated in the presence of 3PA and FC effects with different frequency separations of pumps. (b) Corresponding temporal evolution of blue curve in (a). (c) The final stable pulse of (b).
    Fig. 4. (a) Spectra generated in the presence of 3PA and FC effects with different frequency separations of pumps. (b) Corresponding temporal evolution of blue curve in (a). (c) The final stable pulse of (b).
    (a) Spectrum generated in the presence of 4PA and FC effects. (b) Corresponding temporal evolution. (c) The final stable pulse of (b).
    Fig. 5. (a) Spectrum generated in the presence of 4PA and FC effects. (b) Corresponding temporal evolution. (c) The final stable pulse of (b).
    (a)–(c) Spectra and (d)–(f) temporal profiles correspond to locations a, b, and c in temporal evolution of (g) with detuning of 0.05, 0.11, and 0.12, respectively.
    Fig. 6. (a)–(c) Spectra and (d)–(f) temporal profiles correspond to locations a, b, and c in temporal evolution of (g) with detuning of 0.05, 0.11, and 0.12, respectively.
    Mulong Liu, Leiran Wang, Qibing Sun, Siqi Li, Zhiqiang Ge, Zhizhou Lu, Weiqiang Wang, Guoxi Wang, Wenfu Zhang, Xiaohong Hu, Wei Zhao. Influences of multiphoton absorption and free-carrier effects on frequency-comb generation in normal dispersion silicon microresonators[J]. Photonics Research, 2018, 6(4): 238
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