Study On The Polymer Optical Waveguide Amplifier Based On Red Band

As an indispensable component in optical communication systems,optical amplifiers are able to compensate and amplify the loss of signal light during transmission,so they have attracted much attention.In this paper,using 2,6-bis[4diphenylaminophenyl]-9,10-anthraquinone material,an anthraquinone-doped polymer optical waveguide amplifier was prepared,which can achieve 650 nm signal light amplification.Compared with optical waveguide amplifiers made of inorganic materials,it has the characteristics of simple preparation process,small device size and easy integration.Only low-cost LED excitation can be used to obtain optical amplification at 650 nm,which has low loss for polymer optical fibers.Loss compensation for transmission windows has broad market prospects.The main contents of this paper are as follows:1.The atomic rate equation and optical power transfer equation of europium ions are established.The gain performance of polymer optical waveguide amplifiers doped with europium ions is theoretically simulated.The doping concentration,pump light and signal light absorption and emission cross sections are explored.The influence of the signal light and pump light overlap integral factors and other parameters on the gain value.2.The absorption and emission properties of 2,6-bis[4-diphenylaminophenyl]9,10-anthraquinone powder materials were studied,and it was found that the materials have strong continuous absorption in the wavelength range of 400 nm-500 nm Band,under the excitation of 405 nm pump light,the luminescence center of the material is observed at 650 nm,and the fluorescence half-height width is about 100 nm.This emission is caused by 2,6-bis[4-diphenylaminophenyl]-9,10-anthraquinone molecule caused by the energy change caused by the charge transfer between the anthraquinone molecule and triphenylamine,the transition relationship between the ground state,singlet excited state and triplet energy level of the material was established,and the The energy conversion relationship of materials during absorption and emission.3.Separately prepared polymethyl methacrylate(PMMA)and SU-8 organic films doped with 2,6-bis[4-diphenylaminophenyl]-9,10-anthraquinone,and tested the film absorption and emission performance,comparing the fluorescence spectrum of the film under the excitation of 405 nm xenon lamp,laser and LED,and found that under the action of pump light from different light sources,the fluorescence characteristic curve of the polymer film doped with materials is basically stable,with strong fluorescence emission peaks in the 550 nm-700 nm band,and characterization experiments were conducted,and the film formation was good.4.The preparation conditions of the device were studied.The optical waveguides were prepared by using PMMA and SU-8 polymer doped with 2,6-bis[4diphenylaminophenyl]-9,10-anthraquinone,respectively.Amplifier,built a 405 nm LED top-pumped gain test platform.For the PMMA optical waveguide amplifier doped with anthraquinone polymer with a cross-sectional size of 6 ?m×6 ?m,and the SU-8 optical waveguide amplifier with doped anthraquinone polymer with a cross-sectional size of 50 ?m×6 pm,respectively,at a wavelength of 650 nm Signal light gains of 5.3 dB/cm and 4.3 dB/cm were obtained.