title: Analysis of coupling efficiency on hemispherical fiber lens by method of lines.
abstract: The method of lines (MoL) has been developed to study coupling efficiency on hemispherical lens. In this paper, the physical shape of the lens is approximated by cascading a number of straight waveguide segments. The perfectly matched layer (PML) is applied as an absorber for the MoL to reduce numerical reflection in the simulation region. Analysis is done by calculating coupling efficiency at the plane of integration where the coupling efficiency is an overlap integral between laser diode field and fiber field. The result of coupling efficiency in this analysis is compared to the experiment and ABCD matrix. It is found that MoL gives good result accuracy.
authors.affiliation: Photonic Devices Cluster, TM Research and Development Sdn Bhd, Idea Tower, UPM-MTDC, Technology Incubation Center One, 43400 Serdang, Selangor Darul Ehsan, Malaysia.
authors.forename: Zainuddin
authors.initials: Z
authors.lastname: Lambak
authors.forename: Faidz
authors.initials: F
authors.lastname: Abdul Rahman
authors.forename: Mohd Ridzuan
authors.initials: MR
authors.lastname: Mokhtar
authors.forename: Imran A
authors.initials: IA
authors.lastname: Tengku
mesh_terms: D003198:Computer Simulation; D017076:Computer-Aided Design; D004867:Equipment Design; D019544:Equipment Failure Analysis / Q000379:methods*; D005336:Fiber Optic Technology / Q000295:instrumentation* / Q000379:methods*; D007909:Lenses; D008027:Light; D008962:Models, Theoretical; D015203:Reproducibility of Results; D012542:Scattering, Radiation; D012680:Sensitivity and Specificity