Title :
Compact Slanted Grating Couplers Between Optical Fiber and InP–InGaAsP Waveguides
Author :
Van Laere, Frederik ; Kotlyar, Maria V. ; Taillaert, Dirk ; Van Thourhout, Dries ; Krauss, Thomas F. ; Baets, Roel
Author_Institution :
Dept. of Inf. Technol., Ghent Univ.-IMEC, Gent
fDate :
3/15/2007 12:00:00 AM
Abstract :
We present theoretical and experimental results for compact slanted gratings for vertical coupling between single-mode fiber and InP-InGaAsP waveguides. The maximum calculated coupling efficiency is 59%. We have measured a coupling efficiency of 16% for a 10-mum-long slanted grating
Keywords :
III-V semiconductors; diffraction gratings; gallium arsenide; gallium compounds; indium alloys; indium compounds; integrated optics; optical fibre couplers; optical waveguides; 10 mum; InP-InGaAsP; InP-InGaAsP waveguides; compact slanted gratings; grating couplers; optical fiber; single-mode fiber; vertical coupling; Etching; Fiber gratings; Indium phosphide; Optical coupling; Optical fiber communication; Optical fiber couplers; Optical fibers; Optical waveguide theory; Optical waveguides; Surface emitting lasers; Chemically assisted ion beam etching; InP– InGaAsP waveguides; integrated optics; slanted grating;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2007.891975
