1. All-Optical Field-Induced Second-Harmonic Generation
Applied Optical Physics Group
Vanderbilt University
Oak Ridge National Laboratory
Roderick Davidson
OSI

2. Highly tunable processes Potential for optical switching
Third-order nonlinearities in plasmonics
Plasmonically enhanced 4WM
Jan Renger et al. Phys. Rev. Lett. (2010)
Highly tunable processes
Potential for optical switching
Pai-Yen Chen and Andrea Alù Nano Lett. (2011)
Frequency conversion
Nano-scale imaging
AOFISH - OSI

3. Three separate electric fields Linear dependence on applied DC field
Third-order SHG
Wenshan Cai et al. Science (2011)
Three separate electric fields
Linear dependence on applied DC field
AOFISH - OSI

4. Serrated Nanogaps
AOFISH - OSI

5. Multiple pulse generation Phase and polarization control
Second-Harmonic Interferometric Pump-Probe (SHIP)
Multiple pulse generation
Phase and polarization control
AOFISH - OSI

6. Orthogonal non-interacting pump and probe
The dielectric medium
Orthogonal non-interacting pump and probe
Thin film dielectric
AOFISH - OSI

7. SHIP spectroscopy using PMMA
PMMA deposited in the gap
SHG versus pump-probe delay
Direct probe-plasmon interference
PMMA removed from the gap
No plasmon interference
AOFISH - OSI

8. Single optical cycle SHIP signal
Pump power varied
Probe power unaltered
Maximum plasmonic and optical fields at
Maximum plasmonic and minimum optical fields at
AOFISH - OSI

9. Nonlinear pump dependence
Pump power dependence
Nonlinear pump dependence
Non-crystalline PMMA
AOFISH - OSI

10. Conclusions Enhanced χ(3) effects of dielectric medium
Optical characterization of SHG from χ(3)
Promising platform for 4WM and phase conjugation
AOFISH - OSI

11. Anna Yanchenko Jed Ziegler Benjamin Lawrie Sergey Avanesyan
Acknowledgements
Anna Yanchenko
Jed Ziegler
Benjamin Lawrie
Sergey Avanesyan
Richard Haglund
AOFISH - OSI