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Enhanced optical nonlinearities in the near-infrared using III-nitride heterostructures coupled to metamaterials

  • Omri Wolf
  • , Andrew A. Allerman
  • , Xuedan Ma
  • , Joel R. Wendt
  • , Alex Y. Song
  • , Eric A. Shaner
  • , Igal Brener

Research output: Contribution to journalArticlepeer-review

35 Scopus citations

Abstract

We use planar metamaterial resonators to enhance by more than two orders of magnitude the near infrared second harmonic generation obtained from intersubband transitions in III-Nitride heterostructures. The improvement arises from two factors: employing an asymmetric double quantum well design and aligning the resonators' cross-polarized resonances with the intersubband transition energies. The resulting nonlinear metamaterial operates at wavelengths where single photon detection is available, and represents a different class of sources for quantum photonics related phenomena.
Original languageEnglish
JournalApplied Physics Letters
Volume107
Issue number15
DOIs
StatePublished - Oct 12 2015
Externally publishedYes

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