Table 1. Nonlinear absorption coefficient, nonlinear refractive index, and third order nonlinear susceptibility of DNA and DNA-CTMA thin solid films at 800 and 1570 nm.
| Wavelength | Material | β (m/W) | n2 (cm2/W) | χ3 (esu) |
|---|---|---|---|---|
| 800 nm | DNA film | 1.51 × 10−10 | 3.63 × 10−13 | 4.15 × 10−11 |
| DNA-CTMA film | 7.71 × 10−10 | 1.81 × 10−12 | 2.05 × 10−10 | |
| 1570 nm | DNA film | 1.78 × 10−9 | 3.44 × 10−12 | 8.42 × 10−10 |
| DNA-CTMA film | 8.89 × 10−9 | 1.82 × 10−11 | 4.11 × 10−9 | |
| 530~1300 nm [ref. 21] | DNA in Water | 2 × 10−11 (@530 nm) | 1 × 10−14~2 × 10−15 | — |
The thin film thicknesses were 710 nm and 145 nm for DNA and DNA-CTMA, respectively.