AU - Koohi-Kamali, Farshid AU - Ebnali-Heidari, Majid AU - Moravvej-Farshi, Mohammad Kazem TI - Designing a dual-core photonic crystal fiber coupler by means of microfluidic infiltration PT - JOURNAL ARTICLE TA - ijop JN - ijop VO - 6 VI - 2 IP - 2 4099 - http://ijop.ir/article-1-116-en.html 4100 - http://ijop.ir/article-1-116-en.pdf SO - ijop 2 AB  - We report the results of our study on the role of microfluidic infiltration technique in improving the coupling characteristics of dual-core photonic crystal fiber (PCF) couplers. Using the finite element method (FEM), we evaluate the effective mode area, dispersion and coupling parameters of an infiltrated dual-core PCF. We use these parameters to design a compact and reconfigurable coupler by solving a set of coupled generalized nonlinear Schrödinger equations. This approach allows one to obtain wavelength-flattened dispersion characteristics with bandwidth of   in the ITU region, and large walk-off length simply by choosing a suitable infiltrated refractive index. We also demonstrate that under certain conditions one can observe a pulse break-up effect to generate pulse trains with high repetition rate. CP - IRAN IN - Faculty of Electrical and Computer Engineering, Advanced Devices Simulation Lab, P. O. Box 14115-149, Tehran 1411713116, Iran LG - eng PB - ijop PG - 83 PT - Research YR - 2012