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 language | English |
|---|---|
| Journal | Applied Physics Letters |
| Volume | 107 |
| Issue number | 15 |
| DOIs | |
| State | Published - Oct 12 2015 |
| Externally published | Yes |
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