We present a theoretical study of optical second-harmonic generation (SHG) of symmetric semiconductor quantum dots (QDs) excited by the near field of the tip in a near-field scanning optical microscope. We show that the usual optical transition selection rules for the SH nonlinear interaction betwee
โฆ LIBER โฆ
Time-Resolved Second Harmonic Generation Near-Field Scanning Optical Microscopy
โ Scribed by Richard D. Schaller; Justin C. Johnson; Richard J. Saykally
- Publisher
- John Wiley and Sons
- Year
- 2003
- Tongue
- English
- Weight
- 115 KB
- Volume
- 4
- Category
- Article
- ISSN
- 1439-4235
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Using a second-harmonic (SH) scanning near-field optical microscope (SNOM) working in transmission with an uncoated fiber tip, we obtain highly detailed fundamental harmonic (FH) and SH images of a โผ50-nm-thick gold film deposited on a glass substrate and containing a โผ830-nm-period array of slightl