Title :
A Lensed Fiber for Butt Coupling Between High-Index Contrast Waveguides and Single-Mode Fibers
Author :
Shiraishi, Kotaro ; Kagaya, M. ; Muro, Keiji ; Yoda, Hidehiko ; Tsuchiya, Hideaki ; Tsai, C.S.
Author_Institution :
Grad. Sch. of Eng., Utsunomiya Univ., Utsunomiya, Japan
Abstract :
A lensed fiber with a convex-piano silicon microlens is proposed for butt-coupling between standard single-mode fibers and high-index contrast waveguides with fine mode-field diameters. The theoretical focused spot diameter is 0.56 μm at the wavelength 1.55 μm.
Keywords :
microlenses; optical fibre couplers; optical waveguides; butt coupling; convex-piano silicon microlens; fine mode-field diameters; high-index contrast waveguides; lensed fiber; single-mode fibers; wavelength 1.55 mum; Finite difference methods; Lenses; Microoptics; Optical refraction; Optical variables control; Optical waveguide theory; Optical waveguides; Silicon; Structural engineering; Waveguide discontinuities;
Conference_Titel :
Optical Fiber communication/National Fiber Optic Engineers Conference, 2008. OFC/NFOEC 2008. Conference on
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-55752-856-8
DOI :
10.1109/OFC.2008.4528102