Nonlinear metasurfaces: a paradigm shift in nonlinear optics

Frequency conversion processes, such as second- and third-harmonic generation, are commonly realized in nonlinear optics, offering opportunities for applications in photonics, chemistry, material science and biosensing. Given the inherently weak nonlinear response of natural materials, optically large samples and complex phase-matching techniques are typically required to realize significant nonlinear responses. To produce similar effects in much smaller volumes, current research has been devoted to the quest of synthesizing novel materials with enhanced optical nonlinearities at moderate input intensities. In particular, several approaches to engineer the nonlinear properties of artificial materials,…

• NS
  National Science Foundation
• SF
  Simons Foundation
• WF
  Welch Foundation

  Award: F-1802
• AF
  Air Force Office of Scientific Research

  Award: FA9550-17-1-0002