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Real-time dynamics and cross-correlation gating spectroscopy of free-carrier Drude slow-light solitons.


ABSTRACT: Optical solitons-stable waves balancing delicately between nonlinearities and dispersive effects-have advanced the field of ultrafast optics and dynamics, with contributions spanning from supercontinuum generation to soliton fission, optical event horizons, Hawking radiation and optical rogue waves, among others. Here, we investigate picojoule soliton dynamics in silicon slow-light, photonic-bandgap waveguides under the influence of Drude-modeled, free-carrier-induced nonlinear effects. Using real-time and single-shot amplified dispersive Fourier transform spectroscopy simultaneously with high-fidelity cross-correlation frequency resolved optical gating at femtojoule sensitivity and femtosecond resolution, we examine the soliton stability limits, the soliton dynamics including free-carrier quartic slow-light scaling and acceleration, and the Drude electron-hole plasma-induced perturbations in the Cherenkov radiation and modulation instability. Our real-time single-shot and time-averaged cross-correlation measurements are matched with our detailed theoretical modeling, examining the reduced group velocity free-carrier kinetics on solitons at the picojoule scale.

SUBMITTER: Zhou H 

PROVIDER: S-EPMC6062241 | biostudies-literature | 2017 Jun

REPOSITORIES: biostudies-literature

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Real-time dynamics and cross-correlation gating spectroscopy of free-carrier Drude slow-light solitons.

Zhou Heng H   Huang Shu-Wei SW   Li Xiujian X   McMillan James F JF   Zhang Chi C   Wong Kenneth Kin-Yip KK   Yu Mingbin M   Lo Guo-Qiang GQ   Kwong Dim-Lee DL   Qiu Kun K   Wong Chee Wei CW  

Light, science & applications 20170630 6


Optical solitons-stable waves balancing delicately between nonlinearities and dispersive effects-have advanced the field of ultrafast optics and dynamics, with contributions spanning from supercontinuum generation to soliton fission, optical event horizons, Hawking radiation and optical rogue waves, among others. Here, we investigate picojoule soliton dynamics in silicon slow-light, photonic-bandgap waveguides under the influence of Drude-modeled, free-carrier-induced nonlinear effects. Using re  ...[more]

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