Optical waveguiding and nonlinear optics in high quality 2-docosylamino-5-nitropyridine Langmuir–Blodgett films
- 26 March 1990
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 56 (13) , 1204-1206
- https://doi.org/10.1063/1.102560
Abstract
The linear and nonlinear optical properties of well-ordered Y-type Langmuir–Blodgett (LB) multilayers of 2-docosylamino-5-nitropyridine (DCANP) have been investigated. The nonlinear optical susceptibilities have been determined for the wavelengths λ=1064 nm [d33=(7.8±1) pm/V, d31=(2.0±0.5) pm/V] and λ=1318 nm [d33=(5.6±1) pm/V]. In first waveguiding experiments carried out TE0 and TM0 modes propagating over more than 20 mm could be excited. Coupling experiments allowed the determination of the dispersion of the refractive index n3 (n632.8 nm3 =1.598). Guided wave attenuation coefficients as low as 12 dB/cm (at the wavelength λ=632.8 nm) are reported.Keywords
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