Frequency-degenerate parametric generation through IFWM effect in nanowaveguides

Mulong Liu, Leiran Wang, Qibing Sun, Weiqiang Wang, Guoxi Wang, Siqi Li, Lingxuan Zhang, Wenfu Zhang*, Xiaohong Hu, Yongkang Gong, Wei Zhao

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

We investigate highly efficient frequency-degenerate parametric generation through inverse four-wave-mixing (IFWM) in silicon nanowaveguides, which exhibits distinctly from traditional FWM phenomenon and manifests itself as a unique process producing signal and idler photon pairs with frequencies at the center of two pumps. The influences of dispersion, nonlinear coefficient and frequency detuning on the IFWM process are numerically analyzed in detail. On this basis, the optimal condition for high gain IFWM and the nanowaveguide with high nonlinearity and large normal dispersion are proposed. These results substantiate the feasibility of such frequency-degenerate parametric generation in CMOS-compatible integrated platforms, which could find important potential in signal-processing systems for photonics networks and entangled qubits generation for quantum optics.

Original languageEnglish
Article number1750266
Number of pages9
JournalModern Physics Letters B
Volume31
Issue number29
DOIs
Publication statusPublished - 20 Oct 2017

Keywords

  • Four-wave-mixing
  • nonlinear waveguide
  • parametric gain

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