Bidimensional chromophores for photorefractive polymers with working wavelength in the near IR.

In this study we show six bidimensional chromophores designed for high Tg photorefractive polymers with a working wavelength in the near IR. The macroscopic optical properties of a poled polymer which contains the designed chromophores were expressed as a function of the microscopic properties of the chromophores, which were calculated using quantum mechanical methods. Later, the diffraction efficiency of a holographic recording and readout experiment was simulated using the Montemezzani equation for anisotropic materials. Results show that high diffraction efficiencies could be obtained for three important working wavelengths (1064, 1300 and 1500 nm) using these chromophores. Of particular interest are the result for the PMC3b derivative at the telecommunication windows of 1300 nm and 1500 nm and the result for PMC1a derivative at the light source wavelength of 1064 nm.