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Second-harmonic generation from a positive-negative index material heterostructure.

Nadia Mattiucci1, Giuseppe D'Aguanno, Mark J Bloemer

  • 1Time Domain Corp., Cummings Research Park, 7057 Old Madison Pike, Huntsville, Alabama 35806, USA.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|February 21, 2006
PubMed
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Negative index material mirrors offer a novel way to boost nonlinear optical processes. This research shows they can significantly increase nonlinear conversion efficiency compared to traditional methods.

Area of Science:

  • Optics and Photonics
  • Materials Science
  • Nonlinear Optics

Background:

  • Resonant cavities are crucial for enhancing material nonlinear responses.
  • Conventional mirrors, such as metallic films and distributed Bragg reflectors, have limitations.

Purpose of the Study:

  • To introduce negative index material (NIM) mirrors as a new alternative for enhancing nonlinear optical effects.
  • To investigate the performance of NIM mirrors in single and coupled resonant cavities.

Main Methods:

  • A rigorous Green function approach was employed for theoretical analysis.
  • The study focused on second harmonic generation (SHG) in resonant cavities.

Main Results:

  • Negative index material mirrors were theoretically proven to enhance nonlinear conversion efficiency.

Related Experiment Videos

  • An enhancement of at least four orders of magnitude was demonstrated compared to a bulk medium.

    • Conclusions:

    • Negative index material mirrors represent a significant advancement over traditional mirror types.
    • NIM mirrors offer a promising route to achieving ultra-high nonlinear conversion efficiencies.