High-efficiency gigahertz frequency doubling without power threshold in thin-film Ni81Fe19

@inproceedings{Cheng2013HighefficiencyGF,
  title={High-efficiency gigahertz frequency doubling without power threshold in thin-film Ni81Fe19},
  author={Cheng Cheng and William E. Bailey},
  year={2013}
}
  • Cheng Cheng, William E. Bailey
  • Published 2013
  • Physics
  • We demonstrate efficient second-harmonic generation at moderate input power for thin film Ni81Fe19 undergoing ferromagnetic resonance. Powers of the generated second-harmonic are shown to be quadratic in input power, with an upconversion ratio three orders of magnitude higher than that demonstrated in ferrites [W. P. Ayres et al., J. Appl. Phys. 27, 188 (1956)], defined as ΔP2ω/ΔPω∼4×10−5/W·Pω, where ΔP is the change in the transmitted rf power and P is the input rf power. The second harmonic… CONTINUE READING

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