Optical wave breaking of high-intensity femtosecond pulses in silicon optical waveguides |
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| Authors: | Jianwei Wu Fengguang Luo Qingtang Zhang Mingcui Cao |
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| Affiliation: | a Institute of Optoelectronics Science and Engineering, Huazhong University of Science and Technology, Luoyu Road, Wuhan 430074, PR China
b Wuhan National Laboratory for Optoelectronics, Wuhan 430074, PR China |
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| Abstract: | We have investigated numerically the propagation of high-intensity femtosecond optical pulses with pulsewidth of 100 fs (half width at 1/e maximum) on the silicon-on-insulator (SOI) optical waveguide when the central wavelength of the pulse locates in the normal dispersion region. Results show that the combined effects of group-velocity dispersion (GVD), third-order dispersion (TOD), self-phase modulation (SPM), and free-carrier dispersion (FCD) can lead to the phenomenon of optical wave breaking that manifests as an asymmetric profile and oscillation near the trailing edge of the pulse. Moreover, the optical wave breaking will be experienced from generation to disappearance during propagation. |
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| Keywords: | Integrated optics Silicon-on-insulator technology Optical wave breaking |
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