Abstract
An all-optical logic gate has been demonstrated in a nonlinear organic étalon using femtosecond laser pulses. The logic gate consists of a guest-host organic thin film, 7-[4-[(4-hexyloxyphenyl)azo](naphthyl)azo-(2,3- dihydro-1,3-dimethyl-2-octyl)] perimidine doped in poly(methyl methacrylate), sandwiched between two highly reflective mirrors. It shows a subpicosecond switch-on time and a switch-off or recovery time that has a fast, ≅4 ps component and slower components. A maximum contrast ratio of ≅2 between the switch-on and switch-off states of the optical gate was obtained. The nonlinear index of refraction is also measured from this Fabry-Perot interferometer to be Δn=0.005.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 2399-2401 |
| Number of pages | 3 |
| Journal | Applied Physics Letters |
| Volume | 57 |
| Issue number | 23 |
| DOIs | |
| State | Published - 1990 |
ASJC Scopus subject areas
- Physics and Astronomy (miscellaneous)
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